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The 366 cu in (6.0 L) big-block V-8 gasoline engine was used in Chevrolet medium duty trucks and school buses. It had a bore and a stroke of 3.935 in × 3.76 in (99.9 mm × 95.5 mm). This engine was made from the 1960s until 2004. The 366 used 4 rings on the pistons, as it was designed from the very beginning as a truck engine.
The early engines' bell pattern differed from AMC V8s. In 1971 AMC raised the block height and lengthened the stroke on the 199 and early 232 engines. The 199 became 232 cubic inches and the 232 became 258. These two RB or "raised block" engines shared the small bell pattern of the earlier engines for only the 1971 model year.
Bore center measurement was kept the same as the Gen-1 V8 at 4.75 in (120.7 mm) so that boring equipment could be reused. Other than that, this engine is vastly different from the Gen-1 model. The Gen-1 engine is physically the size of a big-block Ford or GM engine, and is sometimes called a "big-block". The Gen-2 is closer to the physical size ...
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. In its first year the 396 was available as the L78 option in Corvettes and full-sized ( Impala , Bel Air , Biscayne ) models, and as the L37 in the intermediate ( Chevelle ) model.
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 361 was discontinued in 1949 and replaced by the 360 "Group 2" engine. The 360 and 361 shared the exact same 4 + 1 ⁄ 8 inches (100 mm) bore and 4 + 1 ⁄ 2 inches (110 mm) stroke, but the 361 used the larger "Group 3" block. It produced a maximum 136 hp @ 3000 rpm and 273 lb•ft @ 1000 rpm.
The High Value engine family from General Motors is a group of cam-in-block or overhead valve V6 engines.These engines feature cast iron blocks and aluminum heads, and use the same 60° vee bank as the 60° V6 family they are based on, but the new 99 mm (3.90 in) bore required offsetting the bores by 1.5 mm (0.059 in) away from the engine center line.
The Turbo-Thrift 230 (also known as the High Torque 230 in Chevrolet trucks), with 230 cu in (3,768 cc) displacement, replaced the long-stroke 235 cu in (3.9 L) version of the Stovebolt six beginning in 1963. Bore and stroke were 3 + 7 ⁄ 8 in × 3 + 1 ⁄ 4 in (98 mm × 83 mm). It was also used by Chevrolet and GMC trucks, primarily for the ...