He also rebuilt the 455 using modern pistons with a lightweight, metric ring pack, but retained the stock crank, rods, and cam. On Westech’s engine dyno, it made 450 hp and a tire-smoking 515 lb-ft of.
It may seem inefficient today to consider that GM was producing unique 455 Pontiacs.
Pontiac and Oldsmobile. In 1970, the Buick was exceeded in outright torque only by the much larger 472 and 500.
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Poburn wanted the big block 455-cubic-inch W30 engine option. But Kinney explained power-to-weight ratios meant the lighter 350-cubic-inch high-horsepower engine was a better choice. The Oldsmobile .
Powertrain: LS3 engine and 4L65E automatic transmission.
To go with the road-race look, an independent-rear RS Fast Track chassis was utilized. Powetrain: Oldsmobile 455. Chassis: FWD GMC motorhome.
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GM once sold three different 455 engines–a Buick, an Olds, and a Pontiac. All were stump-pulling torque.
align-honed the block, rebuilt the rods, and hung the pistons.
I have owned a 1960 Chevy 348 convertible, 1967 Dodge Charger “Black Hat Special”, 1967 GTO, 1969 Hemi Roadrunner, 1970 Dodge R/T convertible, 1970 Superbird and a 1970 Oldsmobile Cutlass.
I had.