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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 ...
The L72 was a 427 cu in (7.0 L) 90° overhead valve V8 big-block engine produced by Chevrolet between 1966 and 1969. Initially rated at 450 horsepower, the rating dropped to 425 hp (317 kW) shortly after its release (although there was no change in power).
The second-generation Chevrolet Big-Block engine was introduced at the 1963 Daytona 500 as the Mark II. The block entered production in mid 1965 as the Mark IV 396 cu in (6.5 L) "Turbo-Jet," phasing out the first-generation W-series Big-Block.
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 ...
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).
The Chevrolet Silverado 1500 is a tough machine that benefits from GM's precise chassis tuning and satisfying small-block V-8 engine choices. It drives well for such a big and capable truck, and ...