GM Vortec 6000
The General Motors Chevrolette Vortec 6.0ltr V8 cylinder engine, normally aspirated with electronic multi-port fuel injection (MPFI) is capable of producing conservative 350 break horsepower @ 5200 rpm, and 391 lb-ft of torque @4400 rpm.
The performance specifications are comparable to entry level big block offerings of the 1960's and 1970's, but with approximately 400 lbs. less weight. This enables a significant horsepower-to-weight ratio advantage when installed in the already light ClassX series of modern sport boats.
Factor in a belt-driven, gear-accelerated supercharger (ProCharger) and a significant horsepower step-up is attainable, for example, 504hp and 490 ft-lb of torque @ 5400 rpm.
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