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LS3 can also refer to a 402 cu in (6.6 L) Chevrolet Big-Block engine of the 1970s. GM LS3 engine in a 2008 Chevrolet Corvette. The LS3 was introduced as the Corvette's new base engine for the 2008 model year. It produces 430 bhp (321 kW; 436 PS) at 5900 rpm and 424 lb⋅ft (575 N⋅m) at 4600 rpm without the optional Corvette exhaust and is SAE ...
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 ...
An LS swap is a type of engine swap using any form factor of General Motors's LS V8 engine series. [ 1 ] [ 2 ] Motor Trend noted in 2020 that "the Chevy LS V-8 engine has become the de facto engine swap suggestion for anyone seeking to add power to their existing platform" due to the engine's relatively compact size and light weight. [ 3 ]
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
Also called the GM small corporate pattern and the S10 pattern. This pattern has a distinctive odd-sided hexagonal shape. Rear wheel drive applications have the starter mounted on the right side of the block (when viewed from the flywheel) and on the opposite side of the block compared to front wheel drive installations.
The LS-7 was later offered as a crate engine from Chevrolet Performance with an officially rated power minimum of 500 hp (373 kW) gross. In 1971, the LS-5 produced 365 hp (272 kW) and 550 lb⋅ft (746 N⋅m), and the LS-6 option came in at 425 hp (317 kW) and 575 lb⋅ft (780 N⋅m).
The engine is a 6.2-liter (378 cu in) Callaway-modified LS3 V8, powered by an Eaton supercharger with air/liquid intercooler integral to intake manifold. Maximum manifold pressure is 50 inches Hg, absolute. (10 psi (0.69 bar)), producing 650 bhp (SAE). The engine has a cast aluminum block and heads with six-bolt cross-bolted main caps.
For 2008, the Corvette received a mild freshening: a new LS3 engine with displacement increased to 6.2 L (380 cu in), resulting in 430 hp (321 kW; 436 PS) and 424 lb⋅ft (575 N⋅m) (436 hp (325 kW; 442 PS) and 428 lb⋅ft (580 N⋅m) if ordered with the optional performance exhaust). The six-speed manual transmission also has improved shift ...