Quote Originally Posted by CDeeZ View Post
Yes the EBL would do it. I have a 4l80 in this truck so I was trying to stay with the 7427 pcm to shift it. So are we saying there is absolutely no way to fuel a tbi at 30 psi with GM PCM? Without it being stupid rich at idle?
WBO2 tuning is a must have tool for tuning a 30 PSI TBI with or without a VAFPR: http://www.gearhead-efi.com/Fuel-Inj...g)-Spreadsheet

dave w