The history of the first Pro-Touring car: Mark Stielow's Tri-Tip 1969 Chevy Camaro

Mark Stielow's 1969 Camaro, nicknamed Tri-Tip, changed the muscle car world forever. Our Dan Stoner and Terry McGean delve into the history of the Tri-Tip, including Stielow's campaigns in the One Lap of America and the Real Street Eliminator Challenge.

The Tri-Tip is up for sale, without reserve, on Hemmings Auctions until November 13. To learn more and bid, check out the auction listing at https://www.hemmings.com/auction/1969...

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