my car is a 1990 iroc-z 5.7L auto . It has a 2 inch drop in the back and,lower control arms with adjustable torque arm 1.6 roller rockers tpi air foil, with k&nair filter flowmaster 3inch exhaust. the plenum and intake have been ported and polished. And plans include a LT4 hotcam with springs and screw in studs on ported and polished heads , along with underdrive pulleys , it has msd complete ingnition package. this is my car and i enjoy workin oon it when i get a chance and would appreciate any info on make it better
