| Speedway sponsor | New York Times | 29 Oct 2025 | 
          
            | F1 additive |  |  | 
          
            | Octane Booster brand | Newsday | 11 Oct 2025 | 
          
            | Oil treatment brand | LA Times Daily | 05 Oct 2025 | 
          
            | Motor oil additive | Premier Sunday | 14 Sep 2025 | 
          
            | Valvoline rival: Abbr. |  |  | 
          
            | Pit stop brand | LA Times Daily | 29 Aug 2025 | 
          
            | Pennzoil competitor: Abbr. |  |  | 
          
            | Motor oil company: Abbr. |  |  | 
          
            | Motor oil brand | Universal | 25 Jul 2025 | 
          
            | Fuel additive brand | LA Times Daily | 22 Jul 2025 | 
          
            | Racing initials | LA Times Daily | 06 Jul 2025 | 
          
            | Conditions for a chemistry experiment, for short |  |  | 
          
            | Gas additive brand | LA Times Daily | 04 Jul 2025 | 
          
            | NASCAR advertiser | Eugene Sheffer | 16 Jun 2025 | 
          
            | Motor fuel brand: Abbr. |  |  | 
          
            | Motor oil brand | New York Times | 12 Jun 2025 | 
          
            | Valvoline rival | LA Times Daily | 11 Jun 2025 | 
          
            | Indy 500 sponsor | LA Times Daily | 10 Jun 2025 | 
          
            | Gas-line liquid brand | Newsday | 01 Jun 2025 | 
          
            | Motor oil additive letters |  |  | 
          
            | Engine additive called "The Racer's Edge" |  |  | 
          
            | Motor oil company: Abbr. |  |  | 
          
            | "The racer's edge" brand | Wall Street Journal | 30 Apr 2025 | 
          
            | Motor oil brand | Universal | 24 Apr 2025 | 
          
            | Product known as "The Racer's Edge" | New York Times | 14 Apr 2025 | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | Auto products brand | Newsday | 27 Mar 2025 | 
          
            | Rockers Stone Temple |  |  | 
          
            | Nascar sponsor | Wall Street Journal | 20 Mar 2025 | 
          
            | Gas additive brand that's a longtime NASCAR sponsor | LA Times Daily | 17 Mar 2025 | 
          
            | Speedway additive brand | New York Times | 13 Mar 2025 | 
          
            | NASCAR sponsor | Eugene Sheffer | 12 Mar 2025 | 
          
            | Valvoline alternative | Newsday | 07 Mar 2025 | 
          
            | NASCAR advertiser | Eugene Sheffer | 01 Mar 2025 | 
          
            | Fuel additive brand | Universal | 23 Feb 2025 | 
          
            | Valvoline alternative | Newsday | 21 Feb 2025 | 
          
            | Engine additive since 1954: Abbr. |  |  | 
          
            | Gas additive brand | LA Times Daily | 19 Feb 2025 | 
          
            | NASCAR advertiser | Eugene Sheffer | 12 Feb 2025 | 
          
            | Indy 500 sponsor | Wall Street Journal | 11 Feb 2025 | 
          
            | Motor oil brand letters |  |  | 
          
            | Brand of motor oil | New York Times | 03 Feb 2025 | 
          
            | Std. temp. & press. |  |  | 
          
            | Car care brand | Newsday | 16 Jan 2025 | 
          
            | Fuel additive brand | Universal | 29 Dec 2024 | 
          
            | Racecar fuel additive | Premier Sunday | 15 Dec 2024 | 
          
            | Big inits. in fuel additives | New York Times | 15 Dec 2024 | 
          
            | Engine additive letters |  |  | 
          
            | Fuel additive brand | Premier Sunday | 01 Dec 2024 | 
          
            | NASCAR sponsor | Eugene Sheffer | 04 Nov 2024 | 
          
            | Auto care brand | TV | 03 Nov 2024 | 
          
            | Rockers Stone Temple in short |  |  | 
          
            | Pit stop brand | New York Times | 29 Oct 2024 | 
          
            | Valvoline competitor | New York Times | 28 Oct 2024 | 
          
            | Indy label | New York Times | 25 Oct 2024 | 
          
            | Motor oil brand | Universal | 09 Oct 2024 | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | Longtime NASCAR sponsor | New York Times | 29 Sep 2024 | 
          
            | Pennzoil competitor | New York Times | 22 Sep 2024 | 
          
            | Inits. at Indy | Premier Sunday | 15 Sep 2024 | 
          
            | Rockers Stone Temple Pilots in short |  |  | 
          
            | NASCAR advertiser | Eugene Sheffer | 11 Sep 2024 | 
          
            | Big brand in motor oil |  |  | 
          
            | Fuel line letters | Newsday | 05 Sep 2024 | 
          
            | Engine additive since 1954: Abbr. |  |  | 
          
            | Big inits. in fuel additives | Premier Sunday | 01 Sep 2024 | 
          
            | Motor oil brand that sponsored racer Richard Petty |  |  | 
          
            | Popular motor oil additive: Abbr. |  |  | 
          
            | NASCAR sponsor | Eugene Sheffer | 20 Aug 2024 | 
          
            | Noted speedway sponsor | New York Times | 15 Aug 2024 | 
          
            | Fuel additive brand: Abbr. |  |  | 
          
            | Auto additive brand | Newsday | 07 Aug 2024 | 
          
            | Motor oil brand | Universal | 31 Jul 2024 | 
          
            | Pit stop brand | LA Times Daily | 31 Jul 2024 | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | Big Indy sponsor |  |  | 
          
            | Pennzoil competitor: Abbr. |  |  | 
          
            | Rockers Stone Temple Pilots |  |  | 
          
            | Fuel additive letters | Universal | 07 Jul 2024 | 
          
            | Motor oil company |  |  | 
          
            | Brand seen at AutoZone | New York Times | 29 Jun 2024 | 
          
            | Sponsor of some racers | Wall Street Journal | 18 Jun 2024 | 
          
            | Popular fuel brand: Abbr. |  |  | 
          
            | Motor fuel brand: Abbr. |  |  | 
          
            | Fuel additive letters | Newsday | 11 Jun 2024 | 
          
            | Maker of the product "1 Tank Tune Up" |  |  | 
          
            | Speedway sponsor | Wall Street Journal | 05 Jun 2024 | 
          
            | Big name in motor oil | New York Times | 02 Jun 2024 | 
          
            | Motor oil additive letters |  |  | 
          
            | NASCAR gas additive letters |  |  | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | Octane Booster manufacturer |  |  | 
          
            | Gas additive brand | LA Times Daily | 10 May 2024 | 
          
            | Motor oil company: Abbr. |  |  | 
          
            | Auto lubricant brand found in "exhaust pipes" |  |  | 
          
            | Fuel additive with the slogan the racer's edge |  |  | 
          
            | Valvoline rival | LA Times Daily | 20 Mar 2024 | 
          
            | Auto additive with a mostly red oval logo |  |  | 
          
            | NASCAR sponsor | Eugene Sheffer | 18 Mar 2024 | 
          
            | Gas additive brand | Newsday | 12 Mar 2024 | 
          
            | Brand in the lyrics to "Slide Some Oil to Me" from "The Wiz" | Wall Street Journal | 09 Mar 2024 | 
          
            | Fuel additive brand | Universal | 08 Mar 2024 | 
          
            | Motor oil brand | Universal | 03 Mar 2024 | 
          
            | NASCAR advertiser | Eugene Sheffer | 21 Feb 2024 | 
          
            | Motor oil brand letters |  |  | 
          
            | 'The Racer's Edge' fuel additive sloganeer |  |  | 
          
            | Engine additive since 1954: Abbr. |  |  | 
          
            | NASCAR sponsor | Eugene Sheffer | 02 Feb 2024 | 
          
            | Motor oil additive letters |  |  | 
          
            | Frequent Nascar sponsor | Wall Street Journal | 13 Jan 2024 | 
          
            | "The Racer's Edge" sloganeer | New York Times | 07 Jan 2024 | 
          
            | Engine additive and NASCAR sponsor |  |  | 
          
            | Brand of fuel additives | Premier Sunday | 17 Dec 2023 | 
          
            | Popular motor oil additive: Abbr. |  |  | 
          
            | Engine oil additive |  |  | 
          
            | Indy 500 sponsor | Universal | 01 Dec 2023 | 
          
            | Motor oil brand fount in "rustproof" |  |  | 
          
            | Indy 500 sponsor | Newsday | 26 Nov 2023 | 
          
            | NASCAR advertiser | Eugene Sheffer | 02 Nov 2023 | 
          
            | Fuel additive brand | LA Times Daily | 23 Oct 2023 | 
          
            | Gas additive brand | LA Times Daily | 22 Oct 2023 | 
          
            | NASCAR sponsor | Eugene Sheffer | 27 Sep 2023 | 
          
            | "The Racer's Edge" fuel additive brand |  |  | 
          
            | Brand of protectant products | Newsday | 08 Sep 2023 | 
          
            | Engine additive brand | Newsday | 23 Aug 2023 | 
          
            | Motor oil company: Abbr. |  |  | 
          
            | Motor oil brand |  |  | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | NASCAR gas additive letters |  |  | 
          
            | Popular motor oil additive: Abbr. |  |  | 
          
            | Motor oil brand that's a longtime NASCAR sponsor |  |  | 
          
            | Garage brand | New York Times | 02 Jul 2023 | 
          
            | Motor oil brand letters |  |  | 
          
            | Motor oil maker | Universal | 30 Jun 2023 | 
          
            | Letters on Richard Petty's car | Wall Street Journal | 13 Jun 2023 | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | Car care brand | LA Times Daily | 10 May 2023 | 
          
            | Motor oil additive: Abbr. |  |  | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | Gas additive brand | LA Times Daily | 16 Apr 2023 | 
          
            | Indy brand | LA Times Daily | 07 Apr 2023 | 
          
            | Fuel additive brand | Universal | 05 Apr 2023 | 
          
            | NASCAR sponsor | Universal | 21 Mar 2023 | 
          
            | Big name in fuel additives | Premier Sunday | 05 Mar 2023 | 
          
            | Valvoline rival | LA Times Daily | 02 Mar 2023 | 
          
            | Brand of motor oil additive |  |  | 
          
            | Fuel additive brand | LA Times Daily | 23 Feb 2023 | 
          
            | Additive sold at NAPA | Universal | 12 Feb 2023 | 
          
            | Longtime NASCAR sponsor | LA Times Daily | 12 Feb 2023 | 
          
            | Car care brand | Newsday | 10 Feb 2023 | 
          
            | Race car additive | Universal | 08 Feb 2023 | 
          
            | Longtime sponsor of 8-Down | New York Times | 07 Feb 2023 | 
          
            | Car care brand | LA Times Daily | 06 Feb 2023 | 
          
            | Motor oil brand | Universal | 05 Feb 2023 | 
          
            | Filling station brand | New York Times | 05 Feb 2023 | 
          
            | Motor oil letters |  |  | 
          
            | NASCAR sponsor | Universal | 30 Jan 2023 | 
          
            | Noted speedway sponsor | New York Times | 29 Jan 2023 | 
          
            | Big Indy 500 sponsor | Universal | 22 Jan 2023 | 
          
            | NASCAR sponsor | Eugene Sheffer | 17 Jan 2023 | 
          
            | Oil Stabilizer brand | Newsday | 13 Jan 2023 | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | Motor oil brand letters (anagram of "pst") |  |  | 
          
            | Big NASCAR sponsor | Universal | 20 Dec 2022 | 
          
            | Engine oil brand letters |  |  | 
          
            | Fuel additive brand | LA Times Daily | 04 Dec 2022 | 
          
            | Major motor oil brand | Universal | 03 Dec 2022 | 
          
            | Indy 500 sponsor | LA Times Daily | 29 Nov 2022 | 
          
            | Longtime NASCAR sponsor | New York Times | 20 Nov 2022 | 
          
            | Letters on Octane Booster | Newsday | 19 Nov 2022 | 
          
            | Longtime NASCAR sponsor | LA Times Daily | 17 Nov 2022 | 
          
            | Engine additive letters |  |  | 
          
            | NASCAR advertiser | Eugene Sheffer | 26 Oct 2022 | 
          
            | NASCAR sponsor | Eugene Sheffer | 27 Sep 2022 | 
          
            | Auto garage brand | Premier Sunday | 18 Sep 2022 | 
          
            | Letters on Richard Petty’s car | Wall Street Journal | 15 Sep 2022 | 
          
            | Pennzoil competitor: Abbr. |  |  | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | 'Science. Technology. Performance.' sloganeer | Newsday | 23 Jul 2022 | 
          
            | Motor oil company: Abbr. |  |  | 
          
            | Gas additive letters | Newsday | 19 Jun 2022 | 
          
            | Gas-tank additive | Newsday | 10 Jun 2022 | 
          
            | Motor oil additive brand | Premier Sunday | 05 Jun 2022 | 
          
            | Auto racing sponsor | Universal | 31 May 2022 | 
          
            | Popular motor oil additive: Abbr. |  |  | 
          
            | Fuel additive brand | Premier Sunday | 15 May 2022 | 
          
            | NASCAR advertiser | Eugene Sheffer | 10 May 2022 | 
          
            | Indy sponsor | Premier Sunday | 01 May 2022 | 
          
            | Popular motor oil brand: Abbr. |  |  | 
          
            | NASCAR sponsor | Eugene Sheffer | 13 Apr 2022 | 
          
            | Longtime NASCAR sponsor | LA Times Daily | 06 Apr 2022 | 
          
            | Longtime NASCAR sponsor | The Washington Post | 06 Apr 2022 | 
          
            | Gas additive brand | Universal | 02 Apr 2022 | 
          
            | Fuel additive brand | The Washington Post Sunday | 20 Mar 2022 | 
          
            | Engine additive letters |  |  | 
          
            | NASCAR advertiser | Eugene Sheffer | 24 Feb 2022 | 
          
            | Motor oil brand | New York Times | 07 Feb 2022 | 
          
            | Nascar additive | Wall Street Journal | 25 Jan 2022 | 
          
            | Oil additive brand | The Washington Post | 20 Jan 2022 | 
          
            | Oil additive brand | LA Times Daily | 20 Jan 2022 | 
          
            | Indy 500 sponsor | New York Times | 17 Jan 2022 | 
          
            | Motor oil company that is a NASCAR sponsor |  |  | 
          
            | Pennzoil rival | Wall Street Journal | 15 Jan 2022 | 
          
            | Big race sponsor | Universal | 04 Jan 2022 | 
          
            | Motor oil brand | Universal | 02 Dec 2021 | 
          
            | Fuel treatment brand | Universal | 27 Nov 2021 | 
          
            | Motor oil additive: Abbr. |  |  | 
          
            | Gas additive brand | Universal | 10 Nov 2021 | 
          
            | Valvoline rival | New York Times | 20 Oct 2021 | 
          
            | 500 letters? | New York Times | 15 Oct 2021 | 
          
            | NASCAR sponsor | Eugene Sheffer | 06 Oct 2021 | 
          
            | Letters on many Nascar cars | Wall Street Journal | 22 Sep 2021 | 
          
            | What adorns many Indy cars | Newsday | 18 Sep 2021 | 
          
            | NASCAR gas additive letters |  |  | 
          
            | Indy 500 initials | Universal | 22 Aug 2021 | 
          
            | Sponsor of many racers | Wall Street Journal | 18 Aug 2021 | 
          
            | Fuel additive brand | Wall Street Journal | 05 Aug 2021 | 
          
            | Engine additive brand | Newsday | 04 Aug 2021 | 
          
            | NASCAR advertiser | Eugene Sheffer | 26 Jul 2021 | 
          
            | Nascar sponsor | Wall Street Journal | 17 Jul 2021 | 
          
            | Fuel additive letters | Newsday | 13 Jul 2021 | 
          
            | Longtime NASCAR sponsor | The Washington Post | 13 Jul 2021 | 
          
            | Longtime NASCAR sponsor | LA Times Daily | 13 Jul 2021 | 
          
            | Big speedway sponsor | New York Times | 08 Jul 2021 | 
          
            | Auto shop inits | Wall Street Journal | 08 Jul 2021 | 
          
            | Motor oil brand |  |  | 
          
            | Garage brand | New York Times | 25 Jun 2021 | 
          
            | Big racing sponsor | The Washington Post | 10 Jun 2021 | 
          
            | Big racing sponsor | LA Times Daily | 10 Jun 2021 | 
          
            | Treatment for fuel injectors | Newsday | 23 Apr 2021 | 
          
            | Race car driver's additive | Universal | 20 Apr 2021 | 
          
            | Longtime advertiser at the Indy 500 | New York Times | 19 Apr 2021 | 
          
            | Popular oil additive | Wall Street Journal | 12 Apr 2021 | 
          
            | Auto additive with a red oval logo | The Washington Post | 02 Apr 2021 | 
          
            | Auto additive with a red oval logo | LA Times Daily | 02 Apr 2021 | 
          
            | Longtime NASCAR sponsor | Jonesin | 16 Mar 2021 | 
          
            | Popular engine additive | Wall Street Journal | 10 Feb 2021 | 
          
            | 'The Racer's Edge' | The Washington Post | 03 Feb 2021 | 
          
            | Indy additive | Newsday | 27 Dec 2020 | 
          
            | Indy 500 initialism | The Washington Post | 25 Dec 2020 | 
          
            | Indy 500 initialism | LA Times Daily | 25 Dec 2020 | 
          
            | Indy sponsor | Premier Sunday | 06 Dec 2020 | 
          
            | Automotive brand with an oval logo | New York Times | 01 Dec 2020 | 
          
            | Eng. conditioner | Canadiana | 30 Nov 2020 | 
          
            | Fuel additive brand: Abbr. |  |  | 
          
            | Fuel additive brand | Wall Street Journal | 20 Oct 2020 | 
          
            | Engine additive | Premier Sunday | 18 Oct 2020 | 
          
            | Indy inits | New York Times | 27 Sep 2020 | 
          
            | Three letter American motor oil brand |  |  | 
          
            | Fuel additive letters | Newsday | 09 Sep 2020 | 
          
            | Indy 500 letters | The Washington Post | 01 Sep 2020 | 
          
            | Indy 500 letters | LA Times Daily | 01 Sep 2020 | 
          
            | Frequent NASCAR sponsor | Jonesin | 18 Aug 2020 | 
          
            | Gas additive brand | Newsday | 05 Aug 2020 | 
          
            | Engine oil brand |  |  | 
          
            | Popular engine additive | Universal | 14 Jul 2020 | 
          
            | 'The Racer's Edge' | Jonesin | 14 Jul 2020 | 
          
            | Brand sold at gas stations | New York Times | 01 Jul 2020 | 
          
            | Petty cash supplier? | Wall Street Journal | 23 Jun 2020 | 
          
            | 'Interstate Love Song' band, briefly | Jonesin | 02 Jun 2020 | 
          
            | Letters on many Nascar cars | Wall Street Journal | 06 May 2020 | 
          
            | Popular gas additive | New York Times | 27 Apr 2020 | 
          
            | Motor oil brand |  |  | 
          
            | Engine additive brand | Jonesin | 31 Mar 2020 | 
          
            | Car care brand | The Washington Post | 30 Mar 2020 | 
          
            | Engine conditioner, abbr | Canadiana | 30 Mar 2020 | 
          
            | Car care brand | LA Times Daily | 30 Mar 2020 | 
          
            | Fuel treatment brand | The Washington Post Sunday | 29 Mar 2020 | 
          
            | Motor oil letters | Wall Street Journal | 24 Mar 2020 | 
          
            | Common race-car decal | Newsday | 28 Feb 2020 | 
          
            | Fuel additive brand with an oval logo |  |  | 
          
            | Oil Stabilizer maker | Newsday | 14 Dec 2019 | 
          
            | Brand at the Indy 500 | Wall Street Journal | 09 Dec 2019 | 
          
            | Auto additive with a mostly red oval logo |  |  | 
          
            | Engine additive brand | Universal | 30 Nov 2019 | 
          
            | Octane Booster brand | Newsday | 29 Nov 2019 | 
          
            | Additive sold at NAPA | USA Today | 13 Nov 2019 | 
          
            | Rival of Havoline | New York Times | 10 Nov 2019 | 
          
            | Rival of Havoline |  |  | 
          
            | Frequent auto race sponsor | The Washington Post | 03 Nov 2019 | 
          
            | Frequent auto race sponsor | LA Times Daily | 03 Nov 2019 | 
          
            | Pennzoil rival | Newsday | 01 Nov 2019 | 
          
            | NASCAR advertiser | Eugene Sheffer | 29 Oct 2019 | 
          
            | Big inits. in fuel additives | Premier Sunday | 27 Oct 2019 | 
          
            | Gas additive | The Washington Post Sunday | 29 Sep 2019 | 
          
            | Auto additive with a mostly red oval logo |  |  | 
          
            | Engine additive which was a longtime sponsor in NASCAR events |  |  | 
          
            | Fuel additive brand | Universal | 21 Aug 2019 | 
          
            | Brand of motor oil additive |  |  | 
          
            | Oil additive: Abbr. |  |  | 
          
            | Indy letters | The Washington Post | 26 Jul 2019 | 
          
            | Gas additive brand: Abbr. |  |  | 
          
            | Nascar sponsor | Wall Street Journal | 17 Jun 2019 | 
          
            | Big brand with an oval logo | New York Times | 06 Jun 2019 | 
          
            | Prominent NASCAR sponsor | Jonesin | 04 Jun 2019 | 
          
            | Gas treatment brand | USA Today | 24 May 2019 | 
          
            | NASCAR brand | Universal | 16 May 2019 | 
          
            | Common fuel additive | Universal | 19 Apr 2019 | 
          
            | "Interstate Love Song" band, for fans |  |  | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | Fuel additive brand | Newsday | 03 Apr 2019 | 
          
            | Auto additive brand | USA Today | 22 Mar 2019 | 
          
            | Oil additive brand | LA Times Daily | 21 Mar 2019 | 
          
            | Oil additive brand | The Washington Post | 21 Mar 2019 | 
          
            | Oil additive brand | The Washington Post Sunday | 10 Mar 2019 | 
          
            | Automotive performance brand: Abbr. |  |  | 
          
            | "Racer's Edge" motor oil |  |  | 
          
            | NASCAR sponsor | USA Today | 11 Feb 2019 | 
          
            | NASCAR additive | Universal | 11 Feb 2019 | 
          
            | Motor oil product | New York Times | 04 Feb 2019 | 
          
            | Fuel additive brand | Premier Sunday | 27 Jan 2019 | 
          
            | Popular motor oil additive: Abbr. |  |  | 
          
            | Indy sponsor | Universal | 13 Jan 2019 | 
          
            | "The Racer's Edge" brand | Universal | 09 Jan 2019 | 
          
            | "The Racer's Edge" brand |  |  | 
          
            | NASCAR additive |  |  | 
          
            | Indy sponsor |  |  | 
          
            | Oil additive brand |  |  | 
          
            | Indy letters |  |  | 
          
            | Frequent auto race sponsor |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | Big brand with an oval logo |  |  | 
          
            | Nascar sponsor |  |  | 
          
            | Motor oil product |  |  | 
          
            | NASCAR brand |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | Gas treatment brand |  |  | 
          
            | Auto additive brand |  |  | 
          
            | Additive sold at NAPA |  |  | 
          
            | Common fuel additive |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Oil additive brand | USA Today | 30 Dec 2018 | 
          
            | Indy brand | The Washington Post | 27 Dec 2018 | 
          
            | Indy brand | LA Times Daily | 27 Dec 2018 | 
          
            | Engine additive since 1954 |  |  | 
          
            | Big name in fuel additives | USA Today | 17 Nov 2018 | 
          
            | Popular motor oil additive: Abbr. |  |  | 
          
            | "The Racer's Edge" fuel additive |  |  | 
          
            | Big Nascar sponsor | Wall Street Journal | 20 Oct 2018 | 
          
            | Octane Booster brand | The Washington Post | 04 Oct 2018 | 
          
            | Brand at a garage | New York Times | 20 Sep 2018 | 
          
            | Nascar additive | New York Times | 04 Sep 2018 | 
          
            | Popular fuel additive letters |  |  | 
          
            | It's ''inside every great machine'' | Newsday | 25 Aug 2018 | 
          
            | Its early cans were labeled 'Today's Modern Oil Treatment' | Wall Street Journal | 11 Aug 2018 | 
          
            | Motor additive brand that sponsors NASCAR Sprint Cup Series: Abbr. |  |  | 
          
            | Popular motor oil additive: Abbr. |  |  | 
          
            | Additive sold at Napa Auto Parts | USA Today | 12 Jul 2018 | 
          
            | Engine additive since 1954 | New York Times | 09 Jul 2018 | 
          
            | NASCAR sponsor | Eugene Sheffer | 16 Jun 2018 | 
          
            | Additive sold at AutoZone | USA Today | 12 Jun 2018 | 
          
            | Auto additive with a mostly red oval logo | LA Times Daily | 24 May 2018 | 
          
            | Auto additive with a mostly red oval logo | The Washington Post | 24 May 2018 | 
          
            | Fuel additive brand | USA Today | 23 May 2018 | 
          
            | NASCAR advertiser | Newsday | 22 Apr 2018 | 
          
            | Fuel additive brand that sponsors NASCAR |  |  | 
          
            | Motor oil brand |  |  | 
          
            | Pennzoil competitor | New York Times | 15 Apr 2018 | 
          
            | Motor oil choice, that's a major NASCAR sponsor |  |  | 
          
            | Name in fuel additives | USA Today | 09 Apr 2018 | 
          
            | Racing sponsor founded in 7 Down | The Chronicle of Higher Education | 23 Mar 2018 | 
          
            | Longtime NASCAR sponsor | Newsday | 08 Mar 2018 | 
          
            | Brand in a ''non-friction best seller'' ad | Newsday | 24 Feb 2018 | 
          
            | Engine additive letters | Newsday | 15 Feb 2018 | 
          
            | Valvoline competitor | Newsday | 11 Feb 2018 | 
          
            | Oil treatment brand since 1954 | USA Today | 09 Feb 2018 | 
          
            | Oil additive letters | Jonesin | 06 Feb 2018 | 
          
            | Big engine additive | New York Times | 04 Feb 2018 | 
          
            | Gas additive letters | Newsday | 01 Feb 2018 | 
          
            | Oil additive letters | Newsday | 28 Jan 2018 | 
          
            | Brand sold at Pep Boys | LA Times Daily | 27 Jan 2018 | 
          
            | Brand sold at Pep Boys | The Washington Post | 27 Jan 2018 | 
          
            | Big advertiser at auto races | New York Times | 15 Jan 2018 | 
          
            | Major race sponsor | New York Times | 07 Jan 2018 | 
          
            | Auto additive with a mostly red oval logo |  |  | 
          
            | Brand sold at Pep Boys |  |  | 
          
            | Car care brand |  |  | 
          
            | Indy brand |  |  | 
          
            | Octane Booster brand |  |  | 
          
            | Big advertiser at auto races |  |  | 
          
            | Engine additive since 1954 |  |  | 
          
            | Additive sold at Napa Auto Parts |  |  | 
          
            | Additive sold at AutoZone |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Name in fuel additives |  |  | 
          
            | Oil additive brand |  |  | 
          
            | Oil treatment brand since 1954 |  |  | 
          
            | "Inside every great machine" brand |  |  | 
          
            | Big Nascar sponsor |  |  | 
          
            | Its early cans were labeled "Today's Modern Oil Treatment" |  |  | 
          
            | Pennzoil competitor |  |  | 
          
            | Nascar additive |  |  | 
          
            | Major race sponsor |  |  | 
          
            | Big name in fuel additives |  |  | 
          
            | Brand at a garage |  |  | 
          
            | Big engine additive |  |  | 
          
            | Racing sponsor founded in 7 Down |  |  | 
          
            | Speedway brand | New York Times | 24 Dec 2017 | 
          
            | Brand of engine additive |  |  | 
          
            | Fuel additive brand | New York Times | 06 Nov 2017 | 
          
            | Initials on some Indy cars | Newsday | 29 Sep 2017 | 
          
            | "The Racer's Edge" | LA Times Daily | 07 Sep 2017 | 
          
            | 'The Racer's Edge' | Wall Street Journal | 06 Sep 2017 | 
          
            | Eng. oil additive | Canadiana | 21 Aug 2017 | 
          
            | Indy racer sponsor | New York Times | 10 Aug 2017 | 
          
            | NASCAR sponsor | Newsday | 03 Aug 2017 | 
          
            | Additive sold at Napa | USA Today | 02 Aug 2017 | 
          
            | Motor oil brand: Abbr. |  |  | 
          
            | Oil treatment brand | USA Today | 15 Jul 2017 | 
          
            | 'The racer's edge' brand | Wall Street Journal | 10 Jul 2017 | 
          
            | Motor oil brand | Premier Sunday | 25 Jun 2017 | 
          
            | AutoZone brand | LA Times Daily | 10 Jun 2017 | 
          
            | AutoZone brand | The Washington Post | 10 Jun 2017 | 
          
            | Letters at Indy | USA Today | 19 May 2017 | 
          
            | Gas additive brand | LA Times Daily | 18 Apr 2017 | 
          
            | Gas additive brand | The Washington Post | 18 Apr 2017 | 
          
            | Straightens | New York Times | 01 Apr 2017 | 
          
            | Inits. at Indy | Premier Sunday | 26 Mar 2017 | 
          
            | Motor oil brand | New York Times | 09 Feb 2017 | 
          
            | Longtime Richard Petty sponsor | Newsday | 03 Feb 2017 | 
          
            | Talladega decal letters | Wall Street Journal | 26 Jan 2017 | 
          
            | Gas additive brand |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Motor oil brand |  |  | 
          
            | Racing letters |  |  | 
          
            | Speedway brand |  |  | 
          
            | Indy racer sponsor |  |  | 
          
            | AutoZone brand |  |  | 
          
            | Additive sold at Napa |  |  | 
          
            | Letters at Indy |  |  | 
          
            | Oil treatment brand |  |  | 
          
            | Brand advertised on many Nascar autos | Wall Street Journal | 13 Dec 2016 | 
          
            | Brand on many an auto racer's jacket | Wall Street Journal | 03 Dec 2016 | 
          
            | Longtime Richard Petty sponsor | LA Times Daily | 24 Nov 2016 | 
          
            | Prominent NASCAR sponsor | The Washington Post | 21 Nov 2016 | 
          
            | Auto. engine enhancer | Canadiana | 31 Oct 2016 | 
          
            | Car care brand | Newsday | 18 Sep 2016 | 
          
            | Brand at the Daytona 500 | New York Times | 06 Sep 2016 | 
          
            | Racer's brand | New York Times | 28 Aug 2016 | 
          
            | Letters on many a racecar | New York Times | 26 Jun 2016 | 
          
            | Sprint Cup Series sponsor | New York Times | 04 Jun 2016 | 
          
            | Octane Booster brand | USA Today | 15 May 2016 | 
          
            | ''Helping Engines Run Better'' sloganeer | Newsday | 16 Apr 2016 | 
          
            | 'The Racer's Edge' | New York Times | 12 Apr 2016 | 
          
            | Big name in foam-based weaponry | New York Times | 07 Apr 2016 | 
          
            | Big name in fuel additives | Premier Sunday | 13 Mar 2016 | 
          
            | Octane Booster brand | Wall Street Journal | 03 Mar 2016 | 
          
            | Maker of fuel additives | The Washington Post | 02 Mar 2016 | 
          
            | Octane Booster maker | The Washington Post | 28 Feb 2016 | 
          
            | Ethanol fuel system treatment brand | Newsday | 27 Feb 2016 | 
          
            | Fuel additive brand | LA Times Daily | 08 Feb 2016 | 
          
            | Octane Booster brand | LA Times Daily | 17 Jan 2016 | 
          
            | Brand of motor oil | Premier Sunday | 17 Jan 2016 | 
          
            | Brake fluid brand | LA Times Daily | 14 Jan 2016 | 
          
            | Additive sold at AutoZone | LA Times Daily | 13 Jan 2016 | 
          
            | Racer's brand |  |  | 
          
            | Octane Booster brand |  |  | 
          
            | Sprint Cup Series sponsor |  |  | 
          
            | Longtime Richard Petty sponsor |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Brake fluid brand |  |  | 
          
            | Additive sold at AutoZone |  |  | 
          
            | Letters on many a racecar |  |  | 
          
            | Brand at the Daytona 500 |  |  | 
          
            | Longtime NASCAR sponsor | Wall Street Journal | 18 Dec 2015 | 
          
            | Race car logo | Eugene Sheffer | 02 Dec 2015 | 
          
            | lndy 500 advertiser | Eugene Sheffer | 30 Nov 2015 | 
          
            | Brand of fuel additives | Premier Sunday | 22 Nov 2015 | 
          
            | Indy letters | LA Times Daily | 15 Nov 2015 | 
          
            | Auto performance brand | LA Times Daily | 08 Nov 2015 | 
          
            | "The Racer's Edge" | Universal | 21 Sep 2015 | 
          
            | Oomph! degreaser brand | New York Times | 11 Sep 2015 | 
          
            | Nascar sponsor | New York Times | 23 Aug 2015 | 
          
            | Gas tank additive | New York Times | 10 Aug 2015 | 
          
            | Brand promoted by Andy Granatelli | Wall Street Journal | 07 Aug 2015 | 
          
            | Car care brand | New York Times | 12 Jul 2015 | 
          
            | Gas treatment letters | LA Times Daily | 30 Jun 2015 | 
          
            | Racecar fuel additive | Premier Sunday | 14 Jun 2015 | 
          
            | Indy initials | LA Times Daily | 29 May 2015 | 
          
            | Gas Booster brand | Premier Sunday | 17 May 2015 | 
          
            | Pit crew's canful | New York Times | 28 Apr 2015 | 
          
            | 500 letters | New York Times | 21 Mar 2015 | 
          
            | Longtime Nascar sponsor | New York Times | 10 Mar 2015 | 
          
            | Valvoline alternative | Newsday | 20 Feb 2015 | 
          
            | Pep Boys product | New York Times | 06 Feb 2015 | 
          
            | Racetrack letters | LA Times Daily | 11 Jan 2015 | 
          
            | Motor oil choice | New York Times | 07 Jan 2015 | 
          
            | Pit crew's canful |  |  | 
          
            | Valvoline alternative |  |  | 
          
            | Motorsports brand |  |  | 
          
            | Octane Booster brand |  |  | 
          
            | Engine additive brand |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Auto performance brand |  |  | 
          
            | Longtime Nascar sponsor |  |  | 
          
            | Longtime NASCAR sponsor |  |  | 
          
            | Gas treatment letters |  |  | 
          
            | Oomph! degreaser brand |  |  | 
          
            | Scott Weiland band, for short |  |  | 
          
            | Racetrack letters |  |  | 
          
            | Motor oil choice |  |  | 
          
            | Brand of fuel additives |  |  | 
          
            | Gas Booster brand |  |  | 
          
            | Racecar fuel additive |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | Gas tank additive |  |  | 
          
            | 500 letters |  |  | 
          
            | Nascar sponsor |  |  | 
          
            | Car care brand |  |  | 
          
            | Pep Boys product |  |  | 
          
            | Indy initials |  |  | 
          
            | Brand promoted by Andy Granatelli |  |  | 
          
            | Indy sponsor |  |  | 
          
            | Brand of brake fluid |  |  | 
          
            | Big Nascar sponsor |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | Automotive brand with a red oval logo |  |  | 
          
            | Big name in fuel additives |  |  | 
          
            | Indy sponsor |  |  | 
          
            | Logo seen at the Indy 500 |  |  | 
          
            | Motor treatment letters |  |  | 
          
            | Major car-racing sponsor |  |  | 
          
            | Longtime NASCAR sponsor |  |  | 
          
            | Clorox's car-product brand |  |  | 
          
            | Longtime sponsor of Richard Petty |  |  | 
          
            | Exorbitant |  |  | 
          
            | Armored AutoGroup brand |  |  | 
          
            | "Purple" band (abbr.) |  |  | 
          
            | Big Indy inits. |  |  | 
          
            | 'The Racer's Edge' |  |  | 
          
            | Indy additive |  |  | 
          
            | Initials seen at Indy |  |  | 
          
            | Son of a Gun! vinyl protectant maker |  |  | 
          
            | Motor oil additive |  |  | 
          
            | 500 letters? |  |  | 
          
            | Common Nascar letters |  |  | 
          
            | Gasoline additive brand |  |  | 
          
            | Indy letters |  |  | 
          
            | Letters at Indy |  |  | 
          
            | Letters on a track |  |  | 
          
            | ___ 500, annual race in Ridgeway, Va. |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | Additive sold at AutoZone |  |  | 
          
            | Indy 500 sponsor |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | Fuel additive letters |  |  | 
          
            | NASCAR advertiser |  |  | 
          
            | Part of the Armored AutoGroup |  |  | 
          
            | "The Racer's Edge" letters |  |  | 
          
            | Indy letters |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Auto additive with a red oval logo |  |  | 
          
            | Octane booster brand |  |  | 
          
            | Big name in fuel additives |  |  | 
          
            | Lucas Oil competitor |  |  | 
          
            | Big name in gas treatments |  |  | 
          
            | Scott Weiland band (abbr.) |  |  | 
          
            | Had smash debut "Core" (abbr.) |  |  | 
          
            | "Interstate Love Song" band, briefly |  |  | 
          
            | Longtime sponsor in NASCAR events |  |  | 
          
            | Longtime auto racing sponsor |  |  | 
          
            | Gas additive letters |  |  | 
          
            | Additive sold at Pep Boys |  |  | 
          
            | "The Racer's Edge" Indy sponsor |  |  | 
          
            | Longtime auto racing sponsor |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Big inits. in fuel additives |  |  | 
          
            | Indy 500 advertiser |  |  | 
          
            | Longtime sponsor of racing's #43 car |  |  | 
          
            | Major NASCAR sponsor |  |  | 
          
            | Logo seen on race cars |  |  | 
          
            | Indy 500 advertiser |  |  | 
          
            | Gas-tank additive |  |  | 
          
            | 500 initials |  |  | 
          
            | Big inits. in fuel additives |  |  | 
          
            | Big race sponsor |  |  | 
          
            | Slick 50 rival |  |  | 
          
            | "Plush" rockers (Abbr.) |  |  | 
          
            | "Wicked Garden" rockers (Abbr.) |  |  | 
          
            | Popular fuel additive brand |  |  | 
          
            | Sponsor at some NHRA events |  |  | 
          
            | NAPA buy |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | Indy 500 letters |  |  | 
          
            | Racer's sponsor |  |  | 
          
            | The racer's edge, commercially |  |  | 
          
            | Octane Booster brand |  |  | 
          
            | Longtime NASCAR sponsor |  |  | 
          
            | Big initials at Indy |  |  | 
          
            | Sponsor at some NHRA events |  |  | 
          
            | Longtime sponsor in NASCAR events |  |  | 
          
            | Gas additive brand |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | Longtime Indy sponsor |  |  | 
          
            | Oil additive |  |  | 
          
            | Auto additive letters |  |  | 
          
            | DeLeo brothers band (Abbr.) |  |  | 
          
            | Auto additives co. that hints at this puzzle's theme |  |  | 
          
            | Letters at Indy |  |  | 
          
            | Logo on many a Richard Petty race car |  |  | 
          
            | Motor oil brand |  |  | 
          
            | Brand known as "the racer's edge" |  |  | 
          
            | Additive that sponsors NASCAR racers |  |  | 
          
            | The Racer's Edge |  |  | 
          
            | Iconic Nascar sponsor |  |  | 
          
            | Winter Maintenance Formula maker |  |  | 
          
            | Logo on many a Richard Petty race car |  |  | 
          
            | Auto additive brand |  |  | 
          
            | Talladega decal |  |  | 
          
            | "The racer's edge" |  |  | 
          
            | Auto additives co. that hints at this puzzle's theme |  |  | 
          
            | Additive sold at Pep Boys |  |  | 
          
            | Racecar fuel additive |  |  | 
          
            | Engine-cleaning brand |  |  | 
          
            | Letters in a red oval |  |  | 
          
            | Havoline rival |  |  | 
          
            | Indy additive |  |  | 
          
            | Letters at Indy |  |  | 
          
            | Lube letters |  |  | 
          
            | Auto-additive initials |  |  | 
          
            | Son of a Gun! Protectant maker |  |  | 
          
            | "The racer's edge" |  |  | 
          
            | Big name in fuel additives |  |  | 
          
            | Dura Lube alternative |  |  | 
          
            | Maker of fuel additives |  |  | 
          
            | Indy initials |  |  | 
          
            | Brake fluid brand |  |  | 
          
            | Indy additive |  |  | 
          
            | "The racer's edge" |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | Indy 500 advertiser |  |  | 
          
            | "The racer's edge" |  |  | 
          
            | Octane Booster brand |  |  | 
          
            | Onetime sponsor of Richard Petty and Mario Andretti |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | NASCAR sponsor since 1971 |  |  | 
          
            | Gas tank additive |  |  | 
          
            | Indy 500 advertiser |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | Engine additive brand |  |  | 
          
            | Slick 50 competitor |  |  | 
          
            | Gas additive brand |  |  | 
          
            | Engine additive |  |  | 
          
            | Motor-oil additive |  |  | 
          
            | Brand of octane booster |  |  | 
          
            | NASCAR advertiser |  |  | 
          
            | Sister brand of Armor All |  |  | 
          
            | Gasoline additive |  |  | 
          
            | NASCAR advertiser |  |  | 
          
            | Long time NASCAR sponsor |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | NASCAR advertiser |  |  | 
          
            | 500 letters? |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Auto maintenance letters |  |  | 
          
            | Additive at Indy |  |  | 
          
            | Motor oil additive brand |  |  | 
          
            | Valvoline alternative |  |  | 
          
            | Engine additive |  |  | 
          
            | The Racer's Edge |  |  | 
          
            | Auto-racer sponsor |  |  | 
          
            | Auto maintenance letters |  |  | 
          
            | Additive at Indy |  |  | 
          
            | Indy 500 inits. |  |  | 
          
            | Brand for a gearhead |  |  | 
          
            | Engine additive brand |  |  | 
          
            | Fuel additive on the NASCAR circuit |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Petty cash source, once |  |  | 
          
            | "The racer's edge" |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | Letters in racing |  |  | 
          
            | Big name in auto products |  |  | 
          
            | Indy additive |  |  | 
          
            | Brand at a gas station |  |  | 
          
            | NASCAR sponsor since 1970 |  |  | 
          
            | Valvoline rival |  |  | 
          
            | Clorox brand |  |  | 
          
            | 1999 Clorox acquisition |  |  | 
          
            | Big letters in racing |  |  | 
          
            | Big inits. at Indy |  |  | 
          
            | Sponsor of some NASCAR drivers |  |  | 
          
            | Motor oil additive brand |  |  | 
          
            | Longtime Richard Petty sponsor |  |  | 
          
            | Engine additive |  |  | 
          
            | Maker of Son of a Gun! protectant |  |  | 
          
            | Big car racer sponsor |  |  | 
          
            | Popular oil additive |  |  | 
          
            | Initials seen at Nascar events |  |  | 
          
            | Indy 500 letters |  |  | 
          
            | Motor Up alternative |  |  | 
          
            | Longtime Richard Petty sponsor |  |  | 
          
            | Slick 50 alternative |  |  | 
          
            | Daytona 500 advertiser |  |  | 
          
            | "The racer's edge" |  |  | 
          
            | Engine performance aid |  |  | 
          
            | It once had a jingle with the line "One little can will keep you running free" |  |  | 
          
            | Indy inits. |  |  | 
          
            | It once had a jingle with the line "One little can will keep you running free" |  |  | 
          
            | Engine performance aid |  |  | 
          
            | Big name in auto additives |  |  | 
          
            | Oil additive since 1954 |  |  | 
          
            | Brand of power steering fluid |  |  | 
          
            | Big name in auto additives |  |  | 
          
            | Brand owned by Clorox |  |  | 
          
            | Maker of Son of a Gun! car care products |  |  | 
          
            | Product with the old jingle line "One little can will keep you running free" |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | NASCAR advertiser |  |  | 
          
            | Gas additive |  |  | 
          
            | Racing initials |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | The Racer's Edge |  |  | 
          
            | Sponsor at Indy |  |  | 
          
            | Valvoline rival |  |  | 
          
            | Petty sponsor |  |  | 
          
            | Big name at Indy |  |  | 
          
            | Indy sponsor |  |  | 
          
            | Speedway letters |  |  | 
          
            | Indy 500 advertiser |  |  | 
          
            | Petty cash source? |  |  | 
          
            | Indy 500 letters |  |  | 
          
            | Indy letters |  |  | 
          
            | Pep Boys buy |  |  | 
          
            | Racing letters |  |  | 
          
            | Letters at Indy |  |  | 
          
            | 1985 Union Carbide acquisition |  |  | 
          
            | Pit stop letters |  |  | 
          
            | Indy 500 sponsor |  |  | 
          
            | Indy 500 sponsor |  |  | 
          
            | Nascar sponsor |  |  | 
          
            | Indy 500 advertiser |  |  | 
          
            | 1985 Union Carbide acquisition |  |  | 
          
            | Indy 500 letters |  |  | 
          
            | AutoZone purchase |  |  | 
          
            | Oil-treatment letters |  |  | 
          
            | Auto-racing sponsor |  |  | 
          
            | Pep Boys purchase |  |  | 
          
            | "The racer's edge" |  |  | 
          
            | Racetrack logo |  |  | 
          
            | Brand of motor oil additive |  |  | 
          
            | Indy supplement |  |  | 
          
            | Indy supplement |  |  | 
          
            | Big name in auto products |  |  | 
          
            | NASCAR sponsor since 1971 |  |  | 
          
            | Petty cash supplier? |  |  | 
          
            | Gas additive |  |  | 
          
            | Big letters in racing |  |  | 
          
            | Fuel additive |  |  | 
          
            | Product at a gas station |  |  | 
          
            | NASCAR supplier |  |  | 
          
            | Popular fuel additive |  |  | 
          
            | Havoline rival |  |  | 
          
            | Indy sponsor |  |  | 
          
            | "The racer's edge" |  |  | 
          
            | Racing car product |  |  | 
          
            | 500 letters? |  |  | 
          
            | Indy supplement |  |  | 
          
            | NASCAR sponsor since 1971 |  |  | 
          
            | Longtime sponsor of Nascar racers |  |  | 
          
            | Logo seen on Indy cars |  |  | 
          
            | Pit stop product |  |  | 
          
            | Brand of motor oil additive |  |  | 
          
            | Tank addition |  |  | 
          
            | Petty associate |  |  | 
          
            | Oil product introduced in St. Joseph, Mo. |  |  | 
          
            | Racing initials |  |  | 
          
            | Race sponsor |  |  | 
          
            | Popular fuel additive |  |  | 
          
            | Name on an oval |  |  | 
          
            | Indy sponsor |  |  | 
          
            | Granatelli's additive |  |  | 
          
            | GTO booster |  |  | 
          
            | Oil additive |  |  | 
          
            | Fuel additive |  |  | 
          
            | Engine Stop Leak maker |  |  | 
          
            | Petty associate |  |  | 
          
            | Oil product introduced in St. Joseph, Mo. |  |  | 
          
            | Indy sponsor |  |  | 
          
            | Granatelli's additive |  |  | 
          
            | GTO booster |  |  | 
          
            | Noted NASCAR sponsor |  |  | 
          
            | Indy 500 logo |  |  | 
          
            | Indy sponsor |  |  | 
          
            | Petty sponsor |  |  | 
          
            | Letters on some race cars |  |  | 
          
            | Racer's 500 sponsor |  |  | 
          
            | Racecar additive |  |  | 
          
            | Gas additive |  |  | 
          
            | Indy 500 advertiser |  |  | 
          
            | Letters at a Nascar race |  |  | 
          
            | Its slogan is "The Racer's Edge" |  |  | 
          
            | Racer's sponsor |  |  | 
          
            | Big name in gas treatments |  |  | 
          
            | Motor additive |  |  | 
          
            | Inits. at a gas station |  |  | 
          
            | Indy sponsor |  |  | 
          
            | Engine-cleaning brand |  |  | 
          
            | Crankcase additive |  |  | 
          
            | Fuel additive brand |  |  | 
          
            | Big name in gas treatments |  |  | 
          
            | Indy 500 sponsor |  |  | 
          
            | Andy's auto additive |  |  | 
          
            | Auto additive |  |  | 
          
            | Indy 500 sponsor |  |  | 
          
            | Havoline competitor |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | NASCAR advertiser |  |  | 
          
            | Oil additive letters |  |  | 
          
            | Pit stop stuff |  |  | 
          
            | Pit stop can |  |  | 
          
            | Car care product |  |  | 
          
            | Dura Lube alternative |  |  | 
          
            | Engine additive letters |  |  | 
          
            | Engine additive letters |  |  | 
          
            | Sponsor at Indy |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | Logo on some NASCAR autos |  |  | 
          
            | Motor oil additive |  |  | 
          
            | Motor-oil additive |  |  | 
          
            | Initials on a Nascar car |  |  | 
          
            | Motor oil additive |  |  | 
          
            | Big name in auto products |  |  | 
          
            | Sponsor initials at Indy |  |  | 
          
            | Sponsor initials at Indy |  |  | 
          
            | Brand known as "The racer's edge" |  |  | 
          
            | Certain "edge" |  |  | 
          
            | Pennzoil alternative |  |  | 
          
            | One of racer John Andretti's sponsors |  |  | 
          
            | "The Racer's Edge" sloganeer |  |  | 
          
            | Long-time Richard Petty sponsor |  |  | 
          
            | Racer's sponsor, perhaps |  |  | 
          
            | Gas additive |  |  | 
          
            | Oil additive |  |  | 
          
            | Motor fuel additive |  |  | 
          
            | Indy additive |  |  | 
          
            | Indy 500 letters |  |  | 
          
            | Racecar sponsor |  |  | 
          
            | Big Indy 500 advertiser |  |  | 
          
            | Motor oil additive |  |  | 
          
            | Indy 500 sponsor |  |  | 
          
            | Big initials in auto products |  |  | 
          
            | Gas additive |  |  | 
          
            | Engine additive |  |  | 
          
            | Gas-additive letters |  |  | 
          
            | Oil-treatment letters |  |  | 
          
            | Richard Petty sponsor |  |  | 
          
            | Product made by Armor All |  |  | 
          
            | Oil additive |  |  | 
          
            | Indy 500 logo |  |  | 
          
            | Gas station product |  |  | 
          
            | Big Nascar advertiser |  |  | 
          
            | The Racer s Edge? |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | 60's-70's hallucinogen |  |  | 
          
            | Indy 500 advertiser "The Racer's Edge" |  |  | 
          
            | Fuel-line initials |  |  | 
          
            | Indy 500 sponsor |  |  | 
          
            | Auto additive product |  |  | 
          
            | "The Racer's Edge" |  |  | 
          
            | Oil treatment letters |  |  | 
          
            | Popular oil additive |  |  | 
          
            | Gas-line additive |  |  | 
          
            | Havoline competitor |  |  | 
          
            | Race car sponsor |  |  | 
          
            | Brand promoted by Richard Petty |  |  | 
          
            | Indy 500 sponsor |  |  | 
          
            | Big initials at Indy |  |  | 
          
            | Popular Formula One formula  briefly |  |  | 
          
            | Auto fluid ltrs. |  |  | 
          
            | Indy 500 letters |  |  | 
          
            | Engine additive: Abbr. |  |  | 
          
            | Hallucinogen |  |  | 
          
            | Oil treatment inits. |  |  | 
          
            | Popular Formula One formula |  |  | 
          
            | Mescaline rel. |  |  | 
          
            | lndy 500 advertiser |  |  | 
          
            | Gas station display |  |  | 
          
            | Post-off. item |  |  | 
          
            | P.O. item |  |  | 
          
            | Condescend |  |  | 
          
            | Potent hallucinogen |  |  | 
          
            | Gasoline-additive initials |  |  | 
          
            | Postage item: Abbr. |  |  | 
          
            | Gummed item: Abbr. |  |  | 
          
            | Theologian's degree. |  |  | 
          
            | Brand of octane booster |  |  | 
          
            | Postal item: Abbr. |  |  | 
          
            | "Plush" band, initally |  |  | 
          
            | Car care product that sponsors NASCAR |  |  | 
          
            | "Plush" rock band, initially |  |  | 
          
            | Engine-cleaning brand |  |  | 
          
            | Long-time Richard Petty sponsor |  |  | 
          
            | Maker of Son of a Gun! Protectant |  |  | 
          
            | NASCAR sponsor |  |  | 
          
            | Richard Petty sponsor |  |  | 
          
            | Son of a Gun! Protectant manufacturer |  |  | 
          
            | Imprinted: Abbr. |  |  | 
          
            | Brand name treatment for your 59-Down |  |  | 
          
            | Ultra 5-In-1 Fuel System Cleaner brand |  |  |