| Date | Grid | Clue | Author |
| Sun Jan 7, 2024 | 52A | "The Racer's Edge" sloganeer (2) | Michael Schlossberg |
| Sun Jul 2, 2023 | 78A | Garage brand (2) | Rebecca Goldstein and Rafael Musa |
| Tue Feb 7, 2023 | 47D | Longtime sponsor of 8-Down | Ellen Leuschner |
| Sun Feb 5, 2023 | 53D | Filling station brand | Jeremy Newton |
| Sun Jan 29, 2023 | 74D | Noted speedway sponsor | Rich Katz |
| Sun Nov 20, 2022 | 45D | Longtime NASCAR sponsor (3) | Joe Deeney |
| Sun Feb 13, 2022 | 74A | Brand seen at speedways | David Steinberg |
| Mon Feb 7, 2022 | 47A | Motor oil brand (2) | Rebecca Goldstein |
| Mon Jan 17, 2022 | 63D | Indy 500 sponsor (2) | Evan Mahnken |
| Tue Oct 26, 2021 | 19D | Canful at a gas station | Michael Schlossberg |
| Wed Oct 20, 2021 | 40D | Valvoline rival | David W. Tuffs |
| Fri Oct 15, 2021 | 8D | 500 letters? (5) | Ashton Anderson |
| Thu Jul 8, 2021 | 63A | Big speedway sponsor | John Lampkin |
| Fri Jun 25, 2021 | 8D | Garage brand (2) | Scott Earl |
| Mon Apr 19, 2021 | 27A | Longtime advertiser at the Indy 500 | Andrea Carla Michaels |
| Sun Dec 13, 2020 | 48D | Fuel additive brand (3) | Dan Margolis |
| Tue Dec 1, 2020 | 21A | Automotive brand with an oval logo | Byron Walden |
| Sun Sep 27, 2020 | 111D | Indy inits. | Alex Eaton-Salners |
| Wed Jul 1, 2020 | 21D | Brand sold at gas stations | Amanda Rafkin and Ross Trudeau |
| Mon Apr 27, 2020 | 9D | Popular gas additive | Ed Sessa |
| Sun Nov 10, 2019 | 58A | Rival of Havoline | Peter Gordon |
| Thu Jun 6, 2019 | 52A | Big brand with an oval logo | Fred Piscop |
| Mon Feb 4, 2019 | 41A | Motor oil product | Ali Gascoigne |
| Thu Sep 20, 2018 | 44D | Brand at a garage | Sam Ezersky |
| Tue Sep 4, 2018 | 33D | Nascar additive | Bruce Haight |
| Mon Jul 9, 2018 | 69A | Engine additive since 1954 | John Lampkin |
| Sun Apr 15, 2018 | 5D | Pennzoil competitor | Alex Bajcz |
| Sun Feb 4, 2018 | 92A | Big engine additive | David Levinson Wilk |
| Mon Jan 15, 2018 | 1A | Big advertiser at auto races | Agnes Davidson and Zhouqin Burnikel |
| Sun Jan 7, 2018 | 127A | Major race sponsor | David Steinberg |
| Sun Dec 24, 2017 | 1A | Speedway brand | Mary Lou Guizzo and Jeff Chen |
| Mon Nov 6, 2017 | 37D | Fuel additive brand (3) | Max Lauring and Benjamin Lauring |
| Thu Aug 10, 2017 | 26D | Indy racer sponsor (2) | John E. Bennett and Jeff Chen |
| Sat Apr 1, 2017 | 53D | Racing letters | Howard Barkin |
| Thu Feb 9, 2017 | 68A | Motor oil brand (2) | Ross Trudeau |
| Tue Sep 6, 2016 | 46A | Brand at the Daytona 500 | Timothy Polin |
| Sun Aug 28, 2016 | 53D | Racer's brand | Paolo Pasco |
| Sun Jun 26, 2016 | 14D | Letters on many a racecar | Priscilla Clark and Jeff Chen |
| Sat Jun 4, 2016 | 18A | Sprint Cup Series sponsor | Byron Walden and Brad Wilber |
| Tue Apr 12, 2016 | 41A | "The Racer's Edge" (9) | Alan DerKazarian |
| Thu Apr 7, 2016 | 43A | "The Racer's Edge" product | John Lieb |
| Fri Sep 11, 2015 | 44A | Oomph! degreaser brand | Peter A. Collins |
| Sun Aug 23, 2015 | 69D | Nascar sponsor (3) | Joel Fagliano |
| Mon Aug 10, 2015 | 58D | Gas tank additive | C. W. Stewart |
| Sun Jul 12, 2015 | 80A | Car care brand | Patrick Berry |
| Tue Apr 28, 2015 | 10A | Pit crew's canful | José Chardiet |
| Sat Mar 21, 2015 | 35D | 500 letters (5) | Frederick J. Healy |
| Tue Mar 10, 2015 | 66A | Longtime Nascar sponsor (3) | Allan E. Parrish |
| Fri Feb 6, 2015 | 31A | Pep Boys product | Kyle Mahowald |
| Wed Jan 7, 2015 | 67A | Motor oil choice | Greg Johnson |
| Mon Dec 15, 2014 | 36D | Indy letters (4) | Zhouqin Burnikel and Dennis Ryall |
| Mon Oct 27, 2014 | 34A | Gasoline additive brand | Stanley Newman |
| Wed Sep 17, 2014 | 11A | Letters at Indy | Zhouqin Burnikel and Don Gagliardo |
| Fri Jul 18, 2014 | 60D | Letters on a track | Ian Livengood |
| Sun Apr 20, 2014 | 5D | ___ 500, annual race in Ridgeway, Va. | Elizabeth C. Gorski |
| Wed Feb 12, 2014 | 13D | Common Nascar letters | Peter A. Collins |
| Sun Feb 9, 2014 | 110A | 500 letters? (5) | Charles M. Deber |
| Sat Oct 12, 2013 | 22A | Octane booster brand | John Farmer |
| Wed Mar 27, 2013 | 37A | Auto additive with a red oval logo | David J. Kahn |
| Fri Dec 7, 2012 | 50D | Longtime sponsor of racing's #43 car | Peter Wentz |
| Mon Jul 23, 2012 | 31D | Big inits. in fuel additives | Lynn Lempel |
| Sun Apr 22, 2012 | 83D | 500 initials | Paula Gamache and Ed Stein |
| Fri Mar 2, 2012 | 10A | Big race sponsor (3) | Scott Atkinson |
| Mon Dec 19, 2011 | 55D | Racecar fuel additive | Richard Chisholm |
| Wed Oct 5, 2011 | 6D | The Racer's Edge (9) | Barry Boone |
| Mon Aug 15, 2011 | 41A | Auto additive brand | Stan Newman |
| Wed Dec 15, 2010 | 50A | Indy letters (4) | John Lampkin |
| Thu Dec 2, 2010 | 24A | Onetime sponsor of Richard Petty and Mario Andretti | Joe Krozel |
| Tue Oct 12, 2010 | 18A | Indy initials | José Chardiet |
| Sat Oct 9, 2010 | 28D | Brake fluid brand | Joe Krozel |
| Sun Apr 11, 2010 | 110D | Maker of fuel additives | Patrick Berry |
| Mon Mar 29, 2010 | 6A | "The racer's edge" (9) | John Dunn |
| Mon Jan 25, 2010 | 27A | "The racer's edge" (9) | Holden Baker |
| Wed Nov 11, 2009 | 43A | Nascar sponsor (3) | Kelsey Blakley |
| Mon Nov 2, 2009 | 25A | Gasoline additive | Andrea Carla Michaels and Kent Clayton |
| Sat Feb 28, 2009 | 37A | Brand of octane booster | Frank Longo |
| Tue Dec 23, 2008 | 56A | Engine additive (2) | Joe Krozel |
| Mon Aug 25, 2008 | 32A | Engine additive brand (2) | Andrea Carla Michaels and Michael Blake |
| Sat Jul 12, 2008 | 26A | 1999 Clorox acquisition | Myles Callum |
| Sun Jun 1, 2008 | 101D | Brand at a gas station | Patrick Berry |
| Tue Apr 8, 2008 | 21A | Indy 500 inits. | Dave Mackey |
| Wed Jan 16, 2008 | 31A | "The racer's edge" (9) | Barry C. Silk |
| Sun Oct 14, 2007 | 53A | Big car racer sponsor | Elizabeth C. Gorski |
| Fri Jul 27, 2007 | 55D | Motor Up alternative | John R. Conrad |
| Tue May 1, 2007 | 36D | Big inits. at Indy | Courtenay Crocker and Nancy Salomon |
| Sat Feb 3, 2007 | 20A | Product with the old jingle line "One little can will keep you running free" | Rich Norris |
| Sun Dec 31, 2006 | 92D | Speedway letters | Elizabeth C. Gorski |
| Mon Dec 11, 2006 | 28D | Engine additive brand (2) | David J. Kahn |
| Sun Nov 26, 2006 | 34A | Sponsor at Indy | Manny Nosowsky |
| Fri Aug 11, 2006 | 4D | Big race sponsor (3) | Patrick Merrell |
| Thu Jan 26, 2006 | 10D | Indy 500 advertiser (3) | Manny Nosowsky |
| Sun Dec 4, 2005 | 137D | Racing car product (2) | Eric Berlin and Craig Kasper |
| Wed Jul 27, 2005 | 20A | Product at a gas station | Michael Shteyman |
| Thu May 19, 2005 | 23D | Big letters in racing | Barbara Olson |
| Sun May 15, 2005 | 107D | Longtime Nascar sponsor (3) | Patrick Berry |
| Tue May 10, 2005 | 36A | Fuel additive (2) | Nancy Salomon |
| Mon Nov 1, 2004 | 31A | Indy racer sponsor (2) | Kendall Twigg and Nancy Salomon |
| Tue Oct 5, 2004 | 43A | Popular fuel additive | James R. Leeds |
| Thu Sep 30, 2004 | 31A | Indy letters (4) | Lee Glickstein and Nancy Salomon |
| Sat May 8, 2004 | 43A | Name on an oval | Bob Peoples |
| Wed Mar 31, 2004 | 27D | "The racer's edge" (9) | Randy Sowell |
| Thu Mar 18, 2004 | 36A | Racing initials (2) | Lee Glickstein and Nancy Salomon |
| Sun Mar 14, 2004 | 138D | Big race sponsor (3) | Craig Kasper |
| Fri Mar 5, 2004 | 49A | Race sponsor | Gary Steinmehl |
| Sun Dec 14, 2003 | 11A | Pit stop can | Elizabeth C. Gorski |
| Mon Nov 17, 2003 | 56A | Its slogan is "The Racer's Edge" | Sarah Keller |
| Thu May 15, 2003 | 45A | 500 letters? (5) | David J. Kahn |
| Sun May 11, 2003 | 120A | Engine-cleaning brand | Patrick Berry |
| Tue Apr 29, 2003 | 58D | Inits. at a gas station | Norma Johnson |
| Wed Apr 2, 2003 | 38A | Indy sponsor | Kelly Clark |
| Fri Feb 21, 2003 | 49A | Crankcase additive | Patrick Berry |
| Wed Jan 15, 2003 | 52A | Letters at a Nascar race | Brendan Emmett Quigley |
| Mon Dec 23, 2002 | 47A | Fuel additive (2) | Lisa Bunker |
| Sat Nov 30, 2002 | 10D | Racing initials (2) | Jim Page |
| Fri Oct 25, 2002 | 22A | Dura Lube alternative | Brendan Emmett Quigley |
| Fri Sep 13, 2002 | 19A | Certain "edge" | Mel Rosen |
| Sun Sep 1, 2002 | 98A | 500 letters (5) | Patrick Berry |
| Mon Jun 24, 2002 | 32A | Engine additive letters | Trip Payne |
| Sun Jun 16, 2002 | 68A | Initials on a Nascar car | Manny Nosowsky |
| Fri May 17, 2002 | 5D | Car care product | Joe DiPietro |
| Sat May 4, 2002 | 58D | Big name in auto products | Rich Norris |
| Sun Feb 17, 2002 | 120A | Indy letters (4) | Joe DiPietro |
| Tue Aug 21, 2001 | 64D | "The Racer's Edge" sloganeer (2) | Sarah Keller |
| Sun Dec 24, 2000 | 28A | Product made by Armor All | Bill Zais |
| Thu Dec 21, 2000 | 62D | Fuel additive brand (3) | Manny Nosowsky |
| Mon Dec 11, 2000 | 21D | Gas station product | Myles Callum |
| Wed Nov 1, 2000 | 31A | Big Indy 500 advertiser | Peter Gordon |
| Thu Jun 29, 2000 | 62D | Big Nascar advertiser | Robert H. Wolfe |
| Sat Apr 22, 2000 | 60D | Oil additive | Rich Norris |
| Tue Mar 21, 2000 | 44A | Indy 500 logo | Nick Grivas |
| Tue Aug 10, 1999 | 22D | "The Racer's Edge" (9) | Brendan Emmett Quigley |
| Sun Jun 13, 1999 | 57D | 60's-70's hallucinogen | Rich Norris |
| Sat Mar 13, 1999 | 5A | Racing car product (2) | David J. Kahn |
| Tue Jan 26, 1999 | 52A | Popular oil additive (3) | Brendan Emmett Quigley |
| Thu Jul 9, 1998 | 44A | Indy 500 sponsor (2) | Norman S. Wizer |
| Sun May 31, 1998 | 10D | Big initials at Indy | Cathy Millhauser |
| Wed May 6, 1998 | 53A | "The Racer's Edge" (9) | Richard Hughes |
| Sun Feb 1, 1998 | 106D | Race car sponsor | Merl Reagle |
| Tue Aug 5, 1997 | 23A | Popular oil additive (3) | William Bernhardt |
| Sat Jul 12, 1997 | 4D | Indy 500 letters | Richard Silvestri |
| Mon Jun 2, 1997 | 50D | Nascar sponsor (3) | Gregory E. Paul |
| Thu Apr 24, 1997 | 1D | "The Racer's Edge" (9) | David J. Kahn |
| Wed Oct 9, 1996 | 40A | Popular Formula One formula | R. Hughes |
| Mon Sep 30, 1996 | 39A | Oil treatment inits. | F. Piscop |
| Sun Sep 1, 1996 | 23D | Indy 500 advertiser (3) | D. J. Kahn |
| Mon Jun 10, 1996 | 25A | Engine additive: Abbr. | S. Spadaccini |
| Mon Dec 12, 1994 | 38A | Popular oil additive (3) | Joy L. Wouk |
| Fri Dec 9, 1994 | 10D | Gas station display | Matt Gaffney |
| Wed Aug 17, 1994 | 50A | Indy 500 advertiser (3) | Robert H. Wolfe |
| Sat Jan 1, 1994 | 8D | Engine additive (2) | Manny Nosowsky |