• 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 Charlie

  1. Charlie

    4T65E-HD code questions

    O.k so i have a 1998 GP GTP with 4T65E-HD trans but is has problems so i went and bought a transmission off a 1999 GP GT wich i beliebe is a 4T65E (Non HD) Now both transmissions look alike but the HD has 905 S written on it and the other one has 917, Any idea what the difference is? And i'm...
  2. Charlie

    are Reprogrammed PCM safe?

    I bougth this Grand Prix GTP and it came with a reprogrammed PCM installed and it also came with the original PCM with i've done put back on the car, I did feel the difference in the performance but is it worth it? is this reprogrammed PCM harm the engine or transmission? I don't know much about...
  3. Charlie

    Will a 4T65E non HD trans work with a SC engine?

    I recently bought a 1998 Pontiac Grand Prix GTP wich i got a pretty good deal on it cause of the problem its having, The transmission won't shift into 4th gear and the guy who sold me the car told me he had already changed both shift solenoids and that didn't fix the problem so i'm just thinking...
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