350 vortec flywheel, 350 vortec, vortec swap, vortec bow-tie heads.
02.27.09
All engines feature fuel-saving cylinder deactivation, and this feature is virtually imperceptible as it turns off cylinders when full power isn necessary. Users have experienced horsepower gains of up to 35 and up to 31 improvement in fuel efficiency. For those of you who think 200K is lot of miles, sold my my old 91-S10 to friend who has almost 400K on it chevrolet vortec diagram with no major repairs brakes, tires and mufflers. The Vortec heads offer wealth of power potential for their extremely low price.