Corvette “Timeline Tales” Nov. 16, 1956: One magnesium-bodied XP-64 (Corvette SS) would be built for the 1957 12 Hours of Sebring race

The 1957 Corvette SS Racer’s exotic body turned out to be the hot ticket to failure!

Image: GM Archives

Dateline: 11.16.17 (VIDEO BELOW!) – This was such a heady time! Corvettes were starting to do well in racing and the Fuelie was about to go into production. Chevy general manager Ed Cole gave Duntov the green light to move forward with the XP-64/Corvette SS racer. The XP-64 was a purpose-built, tube-frame racer that was to be the template for Duntov’s 1957 Le Mans assault team of Corvette SS racecars.

Image: K. Scott Teeters – The Corvette SS Racer is owned by the Indy 500 Museum. This photo was taken at Bill Tower’s 2016 “60 Years of Corvette Racing” seminar at the 2016 12 Hours of Sebring event.

“Lightweight” was sports car exotica in those days and the only thing lighter than fiberglass or aluminum was magnesium, so the XP-64 was to have an exotic magnesium body.   Continue reading


Corvette “Timeline Tales” Nov. 16, 1956: One magnesium-bodied XP-64 (Corvette SS) would be built for the 1957 12 Hours of Sebring race”