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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 ...
These use a Chrysler custom Torqueflite 904 automatic transmission with an integral Chevrolet bellhousing. Do not confuse with later AMC 2.5 L engine that uses GM small corporate pattern . Chevrolet Turbo-Thrift engine (post-1962) Chevrolet 153 Inline 4 (Chevy II, pre-Iron-Duke - includes the Vortec 3000/181 industrial/marine crate motor)
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 Chevrolet Inline-4 engine was one of Chevrolet's first automobile engines, designed by Arthur Mason and introduced in 1913. Chevrolet founder Billy Durant, who previously had owned Buick which had pioneered the overhead valve engine, used the same basic engine design for Chevrolet: exposed pushrods and rocker arms which actuated valves in the detachable crossflow cylinder head.
The 454 engine option was available for the first half of the model year in the Chevelle and thus the 1975 Laguna had the 400 as the top engine. The 49-states' engine line-up was - the standard 145-horsepower 350 two-barrel V8, the optional 175-horsepower 400 four-barrel V8, and the 215-horsepower 454 four-barrel V8.
Chevrolet Performance released the 454 again in 2011 as a small-block crate engine dubbed the LSX454R officially rated at 776 horsepower at 7,000 rpm and 649 lb-ft of torque at 5,100 rpm. The LSX454R was discontinued in July 2018 and was recorded as one of the more powerful LS crate engines to be assembled from Chevy Performance.
The 260 was designed for economy, and was the first engine option above the Chevrolet 250 straight-six, then later the 3.8 L Buick V6, which was standard fitment in many Oldsmobile models by the late 1970s. While the 260s were not very powerful compared to the larger 350 and 403 V8s, fuel economy was almost as good as the base V6.
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.