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Message: <blockquote data-quote="GThang98" data-source="post: 676257" data-attributes="member: 9606"><p>Okay so i went to the track today to finally get some runs with my supercharger on but i never made a pass when i started doing my burnout i felt my motor missing firing, so i pulled to the parking lot and checked everything wires to injectors connectors everything was fine so i started pulling sparks plugs and one spark plug was shut like the piston hit it cuz the electrode was bend down all the way, so i was like wtf!! so i bend it back put the spark plug in and the car ran fine all the way home no miss fire.. so i got to town went on the back roads close to my house to do some runs just in case something goes wrong so i took off in first and right away my car starts shaking and missing firing so i slowed down but this time the miss firing went away so the next time i took off in second and when i got to 4800rpms it started miss firing but not as bad so my last run was in third gear and it pulled like a champ to redline and then fourth gear till redline and no miss fire no nothing so again i was like wtf!! so then again i took off in first gear miss fire again and then it fixed it self... so i got two issues what made the spark get bend and why does it only missfire on first and second gear, the plugs i run right now with the blower are autolite copper plugs , and a/f on all the runs were at 11.5 so im going to try to switch plugs for some ngks and see what happens, if anybody got any ideas whats going on please chime in, my mods are paxton blower 262 compcams headers x pipe catback t/b plenum 42lb injectors svt focus pump 373 gears, and the plugs and wires are new</p></blockquote><p></p>