Originally Posted by PrecisionAuto
When you put in the 450's did you check to see if they were peak and hold injectors? If they are you will need an injector resistor box or resistor packs. also pm me your e-mail and I will e-mail you some base maps.
Yea they are peak and hold, and i already wired up the resistor packs. Im also using Crome for tuning.