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Buy a Chevrolet Performance LS3 engine online. This 6.2L V8 crate engine is the standard engine for the fifth-generation Camaro SS and C6 Corvette. The LS3 crate engine is one of Chevrolet's most versatile and best engines. Order a Chevrolet Performance LS3 engine from JEGS High Performance today!

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The LS3 6.2L is the 430-hp standard engine in the Chevrolet Corvette and is an outstanding combination of high technology and uncompromising performance. Our LS3 crate engine comes complete, from the Corvette specific oil pan to the ignition system. It also includes the EFI intake manifold assembly with injectors and throttle body, exhaust.

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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 certified. The block is an updated version of the LS2 casting featuring a larger bore of 103.25 mm (4.065 in) creating a.

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[Editor's Note: This LS3 engine upgrade guide is the second in a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing.The LS3 engine is a Gen IV, 6.2L aluminum-block V8 car engine that first appeared in the 2008 Chevrolet Corvette. The L99—introduced for the 2010 Chevy Camaro SS—is also a Gen IV 6.2L aluminum-block V8, but with the addition of Active Fuel.

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The LS3 engines (or any of the 6.2-liter-based variants like the L92, LSA, etc.) can run any head except the LS7 rectangular-port heads. LS7 engines can run any LS-series head, but running the.

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The LS3 and LS7 engine bore sizes are almost similar, with the LS7's being some millimeters thicker. Another area to look at is the LS3 vs. LS7 hp, where the LS7 is more powerful with 505 horsepower. LS3 has a value of 430 horsepower. An LS3 supercharger fitted during engine mods can boost its horsepower to impressive peaks.

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The LS3 engine does not include a fuel pump. Generally, the EFI system requirement is 58 psi constant pressure, but consult the information with your engine control system for the actual recommendation. The fuel pump you choose must be capable of 45 gallons per hour (GPH) @ the recommended pressure.

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The LS3 contains a 103.25 mm cylinder bore size, while the LS7 is measured at 104.8 mm. Plus, the LS3 piston stroke size is 92 mm bore, while the LS7 is measured at 101.6 mm. While the larger piston stroke size might cause some issues, such as increased friction and more crankshaft stress, it can last longer overall. 3.

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The LS3 engine is a Gen IV, 6.2L aluminum-block V8 car engine that first appeared in the 2008 Chevrolet Corvette. The L99—introduced for the 2010 Chevy Camaro SS—is also a Gen IV 6.2L aluminum-block V8, but with the addition of Active Fuel Management and Variable Valve Timing. Below you'll see references to the L99 as a result.

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LS3 Engine Specs. Output: 430 hp at 5900 rpm and 425 lb-ft of torque at 4600 rpm. Displacement 376 cu. in. (or LS3 6.2L) Bore x Stroke 4.065 x 3.622 in or 103.25 x 92 mm. Block is cast aluminum with six-bolt, cross-bolted main caps. Crankshaft: nodular iron. Connecting Rods: powdered metal. Pistons: hypereutectic aluminum.

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An LS1 injector is 2.55 inches long, while the LS2 uses a 2.08 -inch injector, and the LS3 comes with a 1.48 -inch fuel injector. All three have cast aluminum pistons with 1.5mm/ 1.5mm/ 3.0mm ring package. LS3 adds piston oil squirters to cool the pistons for improved durability. All LS engines have knock sensors.

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LS3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More. The LS3 is a Gen. 4, 6.2L small block engine used in GM performance cars between 2009 and 2017. The engine specs and information listed here is for a stock LS3 engine. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every.

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The LS3 is filled with components designed for high performance and longevity. The aluminum block is filled with a sturdy reciprocating assembly that combines with L92-type rectangular-port heads to deliver a 10.7:1 compression ratio. Find Dealer Connect & Cruise Powertrain System Connect & Cruise Crate Powertrain Systems provide factory.

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This handy LS resource page is a good one to bookmark if you're considering an LS crate engine for a swap, or looking for a 6.2L (about 378 cubic inches) LS short block to start a project. Learn more about each LS engine displacement: * 4.8L LS Engine Guide: Block Specs, Swap Resources & Build Info. * 5.3L LS Engine Guide: Block Specs, Swap.

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Chevrolet LS3 Engine Ultimate Guide. GM's LS series of small-block engines is proof that continual refinement is the root of perfection. Throughout the years, the illustrious auto manufacturer has repeatedly reengineered this platform to "grow" alongside the very performance cars which it powers.

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From the factory, the LS3 comes with a 4.065-inch bore, 6.098-inch rods, and a 3.622-inch crank. This yields 6.2L or 376 cubic inches. But there's room to safely add more displacement.