For your reference, use the above instructions to calculate fuel injectors size for your Corvette based on target peak horsepower. Instructions courtesy of Precision-Flow. C4, C5, C6 Corvette Factory Fuel Injector Sizes 1982, 1984: 67/68 lb/hr 1985: 24 lb/hr at 43.5 psi or 22.5 lb/hr at the factory 36-37 psi 1986-1993: 22 lb/hr at 43.5 […]