1970 Chevy CHEVELLE SS454 

1970 454 SS Chevelle
Engine - 454 CID V8.
Horsepower - 450 hp @ 5600 rpm, 500 ft-lbs.
Transmission - M22 “Rock Crusher” 4-speed manual.
Curb weight - 3,999 lbs.
0-60 time - 6 seconds.
¼ mile time - 13.7 seconds @ 139.3 mph.
Number built - 4,475.
The 1970 LS6 454, factory rated at 450 hp, was exclusive to the Chevelle and the El Camino. It not only gave Chevrolet intermediates more power than the Corvette that year, it was the most powerful engine those cars would ever have
What is the difference between a 1970 Chevelle SS 396 and 454?
There are two different tiers of SS packages for the 1970 Chevelle, the SS 396 and the SS 454. Obviously, the numbers correlate to the engine displacement, somewhat. The SS 396 features a 402 cubic-inch V8 while the SS 454 actually has a 7.4L 454 cubic-inch V8.