Having a few problems with my gt again ive recently put another bottom end in as the ringlands went again but ever since ive got a few problems 1. Missfire, replaced the distributor cap and rotor arm as they didnt look great, have looked at all the plugs (not very old but got new ones coming) and gapped them all and have new leads coming as 1 doesnt look great but it is missing so much when driving it wont rev at all, will be checking the timing tomorrow but what else could it be? The plug that goes to the top of the distributor seems abit loose cpuld this be it? Maybe wiring issue? 2. It i