1970 Pontiac 455 Specs

When compression ratios began to drop in 1971 the 455 ho. Join millions of people using oodle to find unique used cars for sale certified pre owned car listings and new car classifieds. The 1970 455 ho was a conventional d port engine to simpilfy things it was a late model year offering which was truly a high output version of the 455 offered from the onset of the model year in all pontiacs full sized cars.

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1970 Pontiac Gto 455 Hot Rod Network

The pontiac 455 debuted for the 1970 model year with 10251 compression which is obviously a bit high for an iron headed pump gas engine today.

1970 pontiac 455 specs. Four speed manual 455 dp hydra matic 455 only pr hydra matic ram air only pd hydra matic all other applications py. The 455 high output generated 335 horsepower and 480 foot pounds of torque for 1970 and 1971. Pontiac firing order pontiac v8 265 301 307 326 350 389 400 421 428 455 firing order cylinder numbering distributor rotation rotor under cap spins. However power steadily declined beginning in 1972 when pontiac reduced it to 300 horsepower and 415 foot pounds of torque.

The 1970 gto was heavily restyled and featured what many believe to be the best front end design with four exposed round headlights that were wrapped in endura bumper with blacked out twin grilles. Despite this performance remained strong on ho. The 1970 to 1971 pontiac 455 generated 325 and 455 foot pounds of torque. Powering the pontiac gto 455 is an overhead valve 75 litre naturally aspirated 8 cylinder engine with 2 valves per cylinder that produces power and torque figures of 360 bhp 365 ps268 kw at 4300 rpm and 678 nm 500 lbft691 kgm at 2700 rpm respectively.

Plummeted all the way to 841. Find 1970 pontiac cars for sale on oodle classifieds. Pontiac factory cam specs by wallace racing home of pontiac powered firebirdstrans amspontiac powered dragsterspontiac power rules. 1970 pontiac gto 455 the pontiac gto 455 is a coupe with 2 doors and a front mounted powerplant which transmits the power through the rear wheels.

Dont miss whats happening in your neighborhood. This year realized another great feature the lift of gms 400 cid restriction so pontiac offered a new 455 cid v8 as a gto option.