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The Chevrolet big-block engine is a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline-powered, V8 engines that was developed and have been produced by the Chevrolet Division of General Motors from the late 1950s until present. They have powered countless General Motors products, not just Chevrolets, and have been ...
He used a custom tubular frame built by his company Mid-Engineering. This special chassis utilized the Oldsmobile Toronado Turbo-Hydamatic 425 transaxle behind a 700 hp Chevrolet ZL-1, 454 big-block motor. The Mid-Engineering chassis used Chevrolet Corvette rear suspension arms and custom half shafts to allow wide performance tires.
Externally identified by "454 SS" bed-side decals, the vehicle received Silverado interior trim, with model-specific bucket seats and interior colors. To improve the road manners of the vehicle, the 454 SS received an upgraded suspension, including 32 mm (1.3 in) Bilstein gas-filled shock absorbers, a 32 mm (1.3 in) front stabilizer bar, and 12 ...
The big-block 454 cu in (7.4 L) V8 was discontinued. The Turbo Hydramatic transmission became standard equipment on all 1976 Monte Carlos. Interior trims remained the same as in 1975, with both base and custom levels, but the instrument panel and steering wheel featured a new rosewood trim that replaced the burled elm of previous years.
The big-block engines initially used a forged crankshaft with a stroke of 3.975" for the 1965-1967 425 and 400 CID versions; starting in 1968, both the 400 cu in (6.6 L) and the 455 cu in (7.5 L) big blocks used a stroke of 4.25 in (108 mm), with crankshaft material changed to cast iron except in a few rare cases.
First year for the LT-1 Small-Block and 454 cu in (7.44 L) Big-Block; three-speed manual transmission dropped and four-speed manual became standard with Turbo Hydra-Matic available as a no-cost option with all engines except LT-1 350; posi-traction made standard equipment; introduced along with the second-generation Chevrolet Camaro on February ...