All-Aluminum Aces

The History of the 1969 ZL1 Corvette In 1969, Chevrolet unveiled a run of all-aluminum block Camaros, and a few select Corvettes with the same drivetrain. This made for one of the rarest Corvettes ever. The 1969 C3 Stingray fitted with the allaluminum ZL1 engine, and only a handful of ’Vettes originally came equipped with the ZL1, but many racecars were later upgraded to include the ZL1 and produced upwards of 750 HP. Like the L88 racing engine, Zora Duntov made the ZL1 available as a regular production option but it was rarely ordered because of its high price of