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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 ...
1990 454 SS. For 1990, Chevrolet debuted the 454 SS as a high-performance variant of the C1500. The newest American high-performance pickup truck since the 1989 Shelby Dakota, the 454 SS was a 1 ⁄ 2-ton C1500 powered by a 230 hp (172 kW) 7.4 L V8.
The gasoline engines that were offered in the medium-duty trucks were the Chevrolet 250 and 292 inline-sixes alongside the 350 small-block V8 and the 366, 427, and 454 big-block V8s. A very rare option was GMC's DH478 "ToroFlow" 478-cubic-inch diesel V6, which was offered only in 1973. [62] [63]
This was Chevrolet's second 4.3L power plant; four other Chevrolet engines displaced 4.3L: the Vortec 4300 (a V6 based on the Chevrolet 350 cu in (5.7 L), with two cylinders removed), the original 265 cu in (4.3 L) V8 in 1954, a bored version of the stovebolt-era 235 inline six displacing 261 cu in (4.3 L), and a derivative of the Generation II ...
This was so named because it began with Chevrolet's V8 engines. Chevrolet big-block V8s; Chevrolet small-block V8s; GM Vortec 4300 90° V6; GM Iron Duke RWD inline 4 (early RWD Variants, later versions may use a FWD pattern, and have two possible starter locations) Jeep with GM Iron Duke inline 4 2.5L/151 in 3 (1980-1983).
Chevrolet's largest and most-powerful engine of the time was also put into a select few El Caminos. The LS6 454 CID engine, rated at 450 hp (336 kW) and 500 lb⋅ft (678 N⋅m) of torque, gave the El Camino 1/4-mile times in the upper 13-second range at around 106 mph (171 km/h). [citation needed]
10. 1969 Chevrolet COPO Camaro ZL1 Auction Price : $1.09 million In the ’60s, General Motors restricted the engine size on all intermediate models to just 400 cubic inches.
The engines were essentially unchanged, but an industry-wide switch to SAE net hp numbers reduced the rated power of all Chevrolet engines. Chevrolet did not list gross horsepower figures for 1972. Compared to the 1971 model year output, only the 402 and 454 had a decrease in power. The new ratings for the Monte Carlo were:
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