i hope someone might be able to help me with this! i have a 91 mustang lx that was stock up untill a little while ago! some of the changes i have made are bored out 30 over to 306, pistons, edelbrock heads , edlebrock upper and lower intakes, cobra svo roller rockers 1:6,75 mm proflow mass air, 70 mm edlebrock throttle body,long tube headers,2 1/2" stainless flow masters,diablo super chip ! the injectors are still stock 19pnds could this be the problem? should i get bigger injectors and recalibrate the mass air and computer ?are the 19lbs injectors to small for this set up ? ive seen cars with less done to them running bigger injectors? ive already tried cleaning the mass air wire with cleaner and it didnt help at all! still ran like **** !! it runs fine when the mass air is unplugged! i know i can pick even more power if the mass air was plugged in,will running it while the mass air is unplugged hurt the motor ? any help here would be welcome ! thank you James