• 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 tdbryan

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    SuperCharger problem after replacing coupling 1999 GTP

    Hello I have a GTP that I changed the coupling because of some play in the nose piece. Sounded like rocks rolling inside. Replacement went well, but as I drive it at 2500 rpm and 40mpg the boost reads 100% and engine does not seem to be pulling. at 3000 rpm the same thing! :confused: Help! Any...
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    Help 4t65e HD problems

    Had trans rebuilt Oct 2011 slipping in all gears. One month later it was making grinding noises. Repair shop went through it and said differential was bad. Two months later same problem diff was again replaced. One month later same problem, It has been at the trans shop for two months now. This...
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    another Newbie

    Hi, I have been searching for info on GTP. I have a '99 with noise on front of supercharger. All related posts have been a great help! currently having the trans rebuilt. Found 99 different from all others. Seems GM used a different gear ratio. Will be back on the road soon! :th_laugh-pointup:
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