0.35
I use autolite plugs in my 454 and you can feel the difference in performance over AC delco's.
402, 454.
the 1970 Chevelle had 500 hp stock and 500 pounds of torque. The 1972 chevelle 454 was SAE rated @ 270 horsepower
How_hard_and_what_will_you_need_to_go_from_a_350_to_a_454_in_a_1970_chevelle
454 is the most well known and sought after
The 1970 Chevy Chevelle came with a 6 cylinder, all the way up to a 454 V8. If you have the 396 or 454 you need to use Premium Fuel. All other engines can run on Regular.
A 1970 Chevrolet Chevelle typically weighs around 3,500 to 3,900 pounds depending on the specific model, engine size, and options.
Spark plugs are a cheap and quick fix if one goes out. The cost to replace one on a 454 chevy engine however can differ depending in the spark plug brand.
250, 307, 350, 396/402, 454 CID.
Straight 6: 250. V8: 307, 350, 396 (actually a 402 in 1970) or 454.
it had everything from a 230 straight 6 to a 454 V8, all depended on what you ordered.