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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 ...
Technically, a "crate engine" or "crate motor" is any automobile engine that is shipped to the installer in a crate, which can include short or long block configurations. [3] For this article, a crate engine is defined as a fully-assembled engine that includes more than what is typically installed on a long block; the exact configuration will ...
But, to us at least, the small block engine contributes to a fine sense of balance in the Corvette that is rare in any GT car, so rare that it would be a shame to exchange it for a few lb.-ft. of torque.” [24] The 454 cu in (7.4 L) LS-4 big-block V8 engine was introduced in 1973 to replace the LS-5. It delivered 275 hp (205 kW) and 15% of the ...
Most of these engines were very similar, using the same bore centers and a 9.33 in (237 mm) deck height, raised on "big-block" versions to 10.625 in (269.9 mm). Big-block and Diesel versions also increased the 2.5 in (64 mm) main bearing journal to 3.0 in (76 mm) for increased strength. All generation-2 small-block Olds V8s used the same stroke ...
Chevrolet small-block engine (Vortec 5700) 1996–2000 L31 255 hp (190 kW) @ 4600 RPM 330 lb⋅ft (447 N⋅m) @ 2800 RPM 7.4 L (454 cu in) V8 Chevrolet big-block V8 1988–1990 L19 230 hp (172 kW) @ 3600 RPM 385 lb⋅ft (522 N⋅m) @ 1600 RPM over 8,500 lbs GVWR 454 SS, 1990 Chevrolet big-block V8 1991–1995
Chevrolet also produced a big-block V8 starting in 1958 and still in production in 2024. Finally superseded by the GM Generation III LS in 1997 and discontinued in 2003, the engine is still made [as of?] by a General Motors subsidiary in Springfield, Missouri, as a crate engine [citation needed] for replacement and hot rodding purposes.