Starting with a bone-stock SS, Hennessey has tossed out the 6.2-liter LS3 V8 engine in favor of a 7.0-liter LSX mill equipped with forged low compression pistons, forged steel connecting rods, a forged steel crankshaft and ported heads. Built in-house by Hennessey, the engine is fully balanced and blueprinted.
The eight cylinders are fed by a thoroughly upgraded fuel injection system and two large turbochargers cooled by a pair of air-to-air intercoolers.
Power is transferred to the rear wheels via either a strengthened version of the SS’ six-speed automatic transmission or a six-speed manual unit built in-house.
Hennessey has not detailed how much the 1,000-horsepower SS will cost, saying only that it comes with a one year / 12,000-mile warranty and that it cannot be legally registered in the state of California.
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