KevinG
Newbie
So my truck is breaking up under anything more than about 30% TPS under load it’s a L29 454 2.3L Whipple supercharger long tube, headers, msd 6al msd coil and wires ignition stuff has been on there about 9kmi plugs have the same mileage ngk BR7ef by looking at the plugs does anyone have any insight?