Last seen in:
- New York Times - Jan 20 2013
- Eugene Sheffer - King Feature Syndicate - Aug 13 2010
- Wall Street Journal - Jul 18 2008 - July 18, 2008 - Boarding Requests
- L.A. Times Daily - May 22 2008
- Wall Street Journal - Feb 2 2007 - February 2, 2007 - Turning Around Bear Markets
- Universal - Aug 15 2006
- USA Today - Jun 20 2006
- L.A. Times Daily - May 31 2006
- Universal - Jan 10 2002
- New York Times - Nov 6 2001
Related Clues:
- Letters at Indy
- Logo on many a Richard Petty race car
- Motor oil brand
- Indy supplement
- Auto additives co. that hints at this puzzle's theme
- Indy 500 legend
- Son of a Gun! Protectant maker
- Letters in a red oval
- Al who won four Indy 500s
- Auto additive brand
- Auto-additive initials
- The Racer's Edge
- Brand known as "the racer's edge"
- Indy driver Bobby
- Iconic Nascar sponsor