Scott Mays purchased his 1970 Mustang Mach 1 with a 351 Cleveland (351C) engine through Craigslist. "It's a true Mach 1," Mays says proudly. "The previous owner had the engine rebuilt but could not ...

I started learning to work on cars in the late 1970s by helping my stepdad turn salvaged mid-1960s Chevy Chevelles into street-stock-class race cars. Throughout that period, I had my hands on a number ...