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GTP with misfire at higher rpms or when boost starts to kick in

00obgtp

00obgtp

New member
Hello everyone I need help my car ran fine and no misfires or nothing wrong was going on but then yesterday i changed the spark plugs and wires. for plugs i used tr55 w/ 0.060 gap and zzp 10.5mm wires and i did put those stock boot protectors. It ran fine yesterday but today got on it and it started to misfire at high rpms what would the problem be those boot protectors or the wires are bad quality..

My mods are just intake and everything else is bone stock just has all the maintance done but it didnt misfire before with the old plugs and wires....

Thanks for all your help
 


Double check plug gap/wires secure on plugs, could lower the gap to .05 or try different plugs. I think the tr55's are one heat range colder than stock? I would stick with stock heat range.
 
Sounds like you plugs are getting blown out. Try gaping the plugs at .055, the same thing was happening to my car and lowering the gap solved it.
 
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