Trans Am Worldwide, the firm responsible for the unofficial Trans Am versions of modern Camaros, has developed what it calls the 70/SS, a fresh new take on the classic 1970 Chevy Chevelle.

Drag racing was gaining in popularity in the early ... the Camaro never got an insane horsepower big-block engine like the Chevelle 454 LS6. Its top V-8, the 396, did get increased in size to ...