• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Recent content by 98GTPPACE

  1. 9

    mode switch will not change from face, feet defrost. blows thru all constant

    I am having trouble with my hvac vacuum lines. Air blows thru all the vents defrost and all that; as if stuck behind the dash constant. I have seen the diagrams but i do not understand; I posted the link below can anyone help me.The vacuum line from the top of the supercharger that runs...
  2. 9

    mode switch will not change from face, feet defrost. blows thru all constant

    I am having trouble with my hvac vacuum lines. Air blows thru all the vents defrost and all that; as if stuck behind the dash constant. I have seen the diagrams but i do not understand; I posted the link below can anyone help me.The vacuum line from the top of the supercharger that runs behind...
  3. 9

    keep throwing misfire code! HELP!!

    I've been having this reoccurring problem with misfiring under wot and under boost even if not under full throttle. I changed the spark plugs I currently have autolite 606's with a 3.6 press on pulley. I got the car with the pulley and the previous owner said he changed the fuel lines and fuel...
  4. 9

    factory pcm or not? I need help

    Hey Everyone. I am looking for a little input. I just picked up a 1998 Pontiac Grand Prix GTP. I am trying to figure out if it has an aftermarket computer installed. IS there any way to tell? Car has a zzp 3 inch downpipe U pipe delete and a cold air intake. Any help will be greatly appreciated...
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