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  1. 2004-2006 GTO General Discussion
    HELP im new to this platform. I have a 06 gto that i bought a few months ago. The car came with 823 ls3 heads , pace setter longtube headers and a unknown cam. Im currenty trying to get the car tuned, but I cant due to cylinder 5 and 8 misfiring. The car is not throwing any codes . I can only...
  2. Engine Discussions
    about 2 months ago i bought a 06 gto with 77k miles . Discovered it had a big cam & a built ls3 head with a full straight pipe including long tube headers. couple days ago my 06 gto started misfiring while i was on the road, i luckily made it to a gas station. I scan my car and it says that...
  3. Service, Maintenance and Technical Discussion
    my car is currently only starting bout 1/3 of the time. When it does start it starts just fine but When it doesnt want to start it just clicks. I already replaced the starter, alternator and battery . Any suggestions on where i should look next?
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