is there anyway to tell what size injectors are in a vehicle??? 89 stang with no real crazy mods just cold air intake, svo alum heads, f303 cam (i think) msd igniton, full exhaust underdrive pully's. plugs are pure white and have tried everything vac lines, maf,computer, increased fuel psi, car is not spittn any koeo or koer codes anymore i would like to get bigger injectors if it would help in performance and fix this problem but i'm not to familiar w/fi vehicles