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6.2 liter ls3 v8 430hp chevy engine

  • Compression Ratio 10.7:1
  • Horsepower Rating 426-436 hp
  • Torque Rating 420-428 ft./lbs.
  • Block Part Number 12584724, 12584727
  • Casting Number 12621766
  • Material Aluminum
  • Displacement 6.2L / 376 c.i.d.
  • Bore Dia. 4.065 in.
  • Stroke 3.622 in.
  • Deck Height 9.240 in.
  • Bore Spacing 4.400 in.
SKU: 19AHJ Category: Engine


6.2 liter ls3 v8 430hp chevy engine provides an increase in volume as compared to 5.9L by LS2. The Ls3 engine developed by General Motors, which is a replacement of Ls2 in its base model Corvette. It belongs to the engine family of gen IV V8 small blocks. The enhancement of the features by this ls3 6.2 liter Chevy engine is high flow fuel injectors, high flow heads, due to the increase in its compression ratio it has 30 horsepower which is greater than Ls2. It Also improved displacement.

The Ls3 Chevy engine is for the base model Corvette and it has also been available Inthe models like Pontiac, Camaro SS, and Chevrolet SS. In the year 2008 the North American introduced the Ls3 was in the Corvette, the engine was available as the base model till the year 2013, it had a longer stint than the previous model of Corvette offerings. For the models like Vauxhall and other Holden models, the Ls3 was made and was available for these models. Ls3 was used in Camaro SS as an option in the year 2010 and also for the model Pontiac G8 for one year in the year 2009. The 6.2 liter Ls3 Chevy engine was also used in the Chevrolet SS in 2014, it was a North America rendition of the Holden VF Commodore. The engine was also available from general motors as a crate engine, it can also be bought with a rate of around $ 7960, it’s one of the popular engines and still in high demand for its good strength and powerful mechanism. In the starting offers the Corvette was available In the package of 430 horsepower at 5900 rpm and 424 lb-ft at 4600 rpm. This engine is 6.2L or 376 cubic inches.

Aluminum alloy blocks and heads are used in the Ls3 engine. As compared to other LS series Ls3 engine is much stronger and designed with its thick body walls. As this 6.2 liter Ls3 Chevy engine is stronger and powerful, having good strength it is also used in LS9 later for the zr1 engine. Its piston is made up of hypereutectic aluminum alloy, this reduces thermal expansion and helps in a tight fit between the cylinder and the piston. The Ls3 engine has a conventional pushrod overhead valve train.  The 6.2 liter ls3 Chevy engine has its orientation longitudinal. Its displacement is 6162cc. Ls3 engine valve lifters are hydraulic rollers. The engine’s fuel system is a sequential fuel injection. The models for which this ls3 engine are used:

  • Camaro SS coupe and convertible horsepower @ RPM 426/318 @ 5900
  • Corvette and Corvette grand sport 430/321 @ 5900
  • Corvette w/optional exhaust 436/325 @ 5900
  • SS 415/563 @ 4600.

Also Check:- L96 Vortec Max 6.0l v8 crate engine


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