FordRacing200
New member
- Joined
- Oct 18, 2008
- Messages
- 48
I have a 04 lb7 with California emissions, it's straight piped, intake, boost valve, efi live tuned with stock transmission tunes, and I'd I jump right on the throttle from a Roll it Defuels hard for a Second then comes back alive.... Do I need a lift pump or is it just defueling for a downshift??