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Turbo Grand Prix

This forum is for enthusiasts of the rare 1989-90 Pontiac Grand Prix Turbo.

2,049 topics in this forum

  1. Disco Potato Install Help Needed! 1 2

    By Penglii,   
    • 27 replies
    • 4.3k views
    • Penglii
    • Penglii

  2. help with turbo rebuild

    By stockgp,   
    • 10 replies
    • 2.3k views
    • cobracdr
    • cobracdr

  3. just like a few years ago..

    By kuntzie,
    • 13 replies
    • 2.9k views
    • kuntzie
    • kuntzie

  4. Riddle me this about the Check Engine Light...

    By Penglii,   
    • 5 replies
    • 1.8k views
    • 92 GP
    • 92 GP

  5. 1990 Pontiac Turbo Grand Prix - Tuned with Videos - Questions?

    By jongrappin,
    • 17 replies
    • 3k views
    • Garrett Powered
    • Garrett Powered

  6. TGP guys- Is this worth 700? 1 2

    By visitor,
    • 32 replies
    • 5.5k views
    • intern8tion9l
    • intern8tion9l

  7. factory boost gauge accuracy?

    By Garrett Powered,   
    • 13 replies
    • 2.6k views
    • Garrett Powered
    • Garrett Powered

  8. Crossover to Manifold Bolt help needed!!

    By Penglii,   
    • 10 replies
    • 1.9k views
    • Penglii
    • Penglii

  9. Penglii's 1989 TGP 1 2 3 4 23

    By Penglii,   
    • 569 replies
    • 61.8k views
    • White93z34
    • White93z34

  10. Slalom and skid pad numbers for a stock TGP

    By GOT2B GM,   
    • 2 replies
    • 2.1k views
    • GOT2B GM
    • GOT2B GM

  11. Post your VIN + build date.

    By mfewtrail,   
    • 4 replies
    • 1.7k views
    • Penglii
    • Penglii

  12. TGP VIN database - website inside! 1 2 3 4 9

    By mfewtrail,   
    • 223 replies
    • 73.4k views
    • jiggity76
    • jiggity76

  13. My TGP finally has a new valence!!!

    By Jonpro03,   
    • 16 replies
    • 3k views
    • Nyshadow
    • Nyshadow

  14. Found!!! 89 TGP in Junkyard

    By 94GPGTP,   
    • 12 replies
    • 3k views
    • 94GPGTP
    • 94GPGTP

  15. Finally got my first TGP Project Car! I need some help? runs rough? 1 2 3 4 5

    By jongrappin,   
    • 102 replies
    • 13.3k views
    • White93z34
    • White93z34

  16. Rebuilding Turbo

    By RedZMonte,   
    • 2 replies
    • 2.4k views
    • 94GPGTP
    • 94GPGTP

  17. Feeler Thread

    By Nyshadow,
    • 6 replies
    • 1.8k views
    • Nyshadow
    • Nyshadow

  18. 94GPGTP's Neverending TGP Repair Thread 1 2 3

    By 94GPGTP,   
    • 71 replies
    • 9.7k views
    • 94GPGTP
    • 94GPGTP

  19. T3 ideas (mention your turbo swap dream)

    By Shifter23,   
    • 14 replies
    • 2.7k views
    • GhrarhG
    • GhrarhG

  20. Sorry, don't get on here much!

    By 1989 TURBO GRAN PRIX,   
    • 14 replies
    • 2.4k views
    • Euro
    • Euro

  21. FS - 1990 Pontiac Turbo Grand Prix

    By sir dano,   
    • 4 replies
    • 3.2k views
    • White93z34
    • White93z34

  22. Oil coming out of the breather

    By 94GPGTP,   
    • 7 replies
    • 4.6k views
    • GOT2B GM
    • GOT2B GM

  23. 90 TGP 5 Speed DD

    By 94GPGTP,   
    • 0 replies
    • 1.6k views
    • 94GPGTP
    • 94GPGTP

  24. Just a brainstorm 3.4 vs. 3.5 or new 3.9

    By Shifter23,   
    • 10 replies
    • 3.7k views
    • Mach 5
    • Mach 5

  25. Picked up a 90 tgp 1 2

    By 90v65speed,   
    • 26 replies
    • 4.8k views
    • 90v65speed
    • 90v65speed
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