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The 1973–1974 L82 was a "performance" version of the 350 that still used the casting number 624 76cc chamber "2.02" heads but with a Rochester Quadra-jet 4bbl carburetor and dual-plane aluminum intake manifold, the earlier L46 350 hp (261 kW) 350 hydraulic-lifter cam, and 9.0:1 compression forged-aluminum pistons producing 250 hp (186 kW ...
In an internal combustion engine, a head gasket provides the seal between the engine block and cylinder head(s). Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. [1] Leaks in the head gasket can cause poor engine running and/or overheating.
It has 350 cubic inch displacement via a 4.000 inch bore and 3.480 inch stroke. [29] The 602 engine is equipped with iron heads, a cast-iron block, and aluminum pistons. [28] It produces about 350 horsepower and 390 foot-pounds of torque at 9.1:1 compression. [28]
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 of U.S.-made small-block V8s except for the bore centers, which are the same as some big-block engines.
A high performance Super Turbo-Air version is released. This engine includes a revised cylinder head and camshaft, with a compression ratio raised to 9.0:1. [2]: 36 Power is up to 98 hp (73.1 kW) at 4600 rpm and torque is up to 132 lb⋅ft (179 N⋅m) at 2800 rpm. Development was reportedly done by Zora Arkus-Duntov.
Like all other GM divisions, Olds continued building its own V8 engine family for decades, adopting the corporate Chevrolet 350 small-block and Cadillac Northstar engine only in the 1990s. All Oldsmobile V8s were assembled at plants in Lansing, Michigan while the engine block and cylinder heads were cast at Saginaw Metal Casting Operations .