the Ford 427 SOHC motor dominated the drag strip, and the engine would achieve legendary status during this time. NASCAR eventually unbanned "special racing engines" in 1966. But while the Cammer ...

In response to Chrysler’s racing 426 Hemi engine during the 1960s, Ford engineers ... These 427 Cammer engines were capable of more than 500 horsepower and became a favorite of drag racers ...