1972 Chevy Chevelle SS 454

The 1972 Chevrolet Chevelle SS arrived during a time of change for muscle cars. Following Detroit's drift toward muscle pretenders was the Heavy Chevy of '71-72. This was a budget SS with a cutesy name, its own exterior graphics, and 14-inch tires. Heavy Chevy V-8 choices ranged from the 307 V-8 to the Turbo-Fire 400-cube small block.For '72, the net horsepower ratings kicked in and engines were rated with all their power-robbing accessories attached. The LS-5 454's rating under this system was 270 horsepower. The Turbo-Jet 400 came in at 240 net horsepower.