tune er help needed..

[flane1212]

1998 mustang gt 4.6....supercharged boosting 9lbs.....45lb. injectors....keith black internals.....not sure on the info on cam shaft...but was the largest for the supercharger...i believe the charger is oem style...t56 6 speed...3.73 gears...svo intake..cold air intake with k&n filter....10.3 mm denso wires....twin screaming daemon coils....on the last dino pull i was getting 435hp to the rear wheels....pulls hard....set on 93 tune....o..i forgot...i do have a meth injection in the trunk for those special moments..lol...anyway...something happened...not sure...i had to reinstall the tune and just isnt right...fallen off mid way through 4th and stumbles in 5th as well...have not tried 6th....the car still pulls good...but not right...i have pulled 135mph with 3 plugs totally melted...might be a good test car for you all...im here in central florida,,,if not...any suggestions.thanks

[tuningss]

If you already melted some plugs you might want to get the motor checked out before going any further.