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The Chevrolet Gemini small-block engine is a dual-overhead cam (DOHC) V8 engine designed by General Motors.While technically a small-block engine because of its bore spacing of 4.4 inches, [1] [2] General Motors engineers do not consider it to be a part of the traditional Chevrolet small block lineage because of the substantial reworking, specialized development, and unique technical features ...
The Chevrolet small-block engine is a series of gasoline-powered V8 automobile engines, produced by the Chevrolet division of General Motors in two overlapping generations between 1954 and 2003, using the same basic engine block. Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the ...
The LA engine is a family of overhead-valve small-block 90° V-configured gasoline engines built by Chrysler Corporation between 1964 and 2003. Primarily V8s , the line includes a single V6 and V10 , both derivations of its Magnum series introduced in 1992.
The Z/28 option featured a high-output small-block 302 cu in (4.9 L) V8 that had been designed for racing in the 5 litre (305 cu in) class in the then popular Trans-Am racing series. It had a 3 in (76.2 mm) stroke crankshaft with 4 in (101.6 mm) bore , an aluminum intake manifold , and a 4-barrel vacuum secondary 780 cfm Holley carburetor .
The intake was to be a single Carter ThermoQuad, of greater flow than any previously used, on a dual-plane intake manifold, [5] while dual four-barrels were never even considered, in the face of toughening emissions standards. [1] A split-level (vertically split, rather than horizontally divided) intake was also experimented with. [5]
The 303-cubic-inch (5.0 L) engine had hydraulic lifters, an oversquare bore:stroke ratio, a counterweighted forged crankshaft, aluminum pistons, floating wristpins, and a dual-plane intake manifold. The 303 was produced from 1949-1953.