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All engines in this family share the same block dimensions and sometimes even the same casting number; the latter meaning engines were of the same block, but with different strokes (e.g., the casting number 3970010 was used by all three engines: 302, 327, and 350). This engine family was updated in 1968 for the use of 2.45 in (62.2 mm) medium ...
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) Detroit Diesel V8 6.2L and 6.5L; Duramax V8; Generation III V8s with modifications. These modifications include ...
The Chevrolet small-block engine refers to one of the several gasoline-powered vehicle engines manufactured by General Motors. These include: The first or second generation of non-LS Chevrolet small-block engines; The third, fourth, or fifth generation of LS-based GM engines; The Chevrolet Gemini small-block engine
The 4.3 L (262 cu in) V6 has a 4 in × 3.48 in (101.6 mm × 88.4 mm) bore and stroke, identical to the 350 cu in (5.7 L) Chevrolet V8 engine. To create a true even-fire engine, Chevrolet produced a crankshaft with 30-degree offsets between each rod pin. Consequently, rod journals were increased to a larger 2 + 1 ⁄ 4 inches (57.2 mm).
The entire series of engines was commonly called Turbo-Thrift, although the name was first used on the 230 cubic inch version that debuted in 1963. [1] The new engine featured seven main bearings in lieu of the four bearing design of its predecessor, the "Stovebolt" engine, and was considerably smaller and approximately 100 lbs lighter. [2]
Vortec is a trademarked name for a line of gasoline engines for General Motors trucks.The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air / fuel atomization. [1]
The 4.3 L remained at 140 hp (104 kW), while the 305 TBI engine was rated at 170 hp (127 kW), and the 350 TBI engine was rated at 190 hp (142 kW). [29] Unlike the LO5 used with the GMT400 light-duty truck and van line including the R/V series, the police spec LO5 used the roller camshaft sourced from its TPI equipped F bodies and Corvette along ...
Rare options: ZR1 special engine package (8), ZR2 special engine package (12), LS6 425 hp engine (188), shoulder belts in convertibles (677). 1972 (Aug. 1971 prod) was the last model year for chrome bumpers at both front and rear, the vacuum actuated pop-up windshield wiper door, as well as the removable rear window common to all 1968-72 coupes ...