heres the combo.
dedicated fuel system for nitrous consisting of.
1 gallon cell up front
mallory 140 fuel pump
bg bypass regulator
big shot plate with 225 jets. (not completly square jettet but a little leaner on fuel than nos recommended)
6 lbs fuel pressure
900 lbs of bottle pressure
timing retarded 6 degree with a msd retard box.
plugs look good ngk4554
any ideas? this problem wont go away
![Confused :?](./images/smilies/icon_confused.gif)