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Turbo Grand Prix

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

2,048 topics in this forum

  1. Is Jeff M STILL AROUND?

    By jibby54,
    • 5 replies
    • 1.9k views
    • GnatGoSplat
    • GnatGoSplat

  2. My TGP Convertible Model

    By NTRCOOL,   
    • 18 replies
    • 3.2k views
    • NTRCOOL
    • NTRCOOL

  3. where to order FUEL LINE or Repair

    By jongrappin,   
    • 6 replies
    • 2.5k views
    • Go4DaMo
    • Go4DaMo

  4. Drain tube...does it need to be a hard line?

    By Bake82,   
    • 3 replies
    • 1.7k views
    • kuntzie
    • kuntzie

  5. group buy- 3" stainless downpipes

    By kuntzie,   
    • 6 replies
    • 2.3k views
    • Mach 5
    • Mach 5

  6. A good floor mat set

    By EMNCFI,   
    • 5 replies
    • 2.2k views
    • EMNCFI
    • EMNCFI

  7. A little intro of my TGP 1 2

    By EMNCFI,   
    • 25 replies
    • 5.1k views
    • EMNCFI
    • EMNCFI

  8. Conflicting Info on Walbro part numbers

    By EMNCFI,   
    • 2 replies
    • 1.8k views
    • EMNCFI
    • EMNCFI

  9. Looking to turbo my 96 GP 3.1...need help

    By drewbe12,   
    • 13 replies
    • 2.5k views
    • intern8tion9l
    • intern8tion9l

  10. Symptoms of a bad turbo

    By digitaloutsider,   
    • 12 replies
    • 4.8k views
    • Garrett Powered
    • Garrett Powered

  11. New TGP owner - need some help 1 2

    By Johnnystats,   
    • 37 replies
    • 5.7k views
    • GnatGoSplat
    • GnatGoSplat

  12. Can Anybody tell me what this is.

    By Nyshadow,   
    • 9 replies
    • 2.1k views
    • Nyshadow
    • Nyshadow

  13. TGP now runs like junk and the check engine and coolant lights flash rapidly

    By jongrappin,   
    • 9 replies
    • 2k views
    • jongrappin
    • jongrappin

  14. 1990 Pontiac Turbo Grand Prix - Tuned with Videos - Questions?

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

  15. Firing Order

    By GTPFiero,   
    • 3 replies
    • 7.9k views
    • GTPFiero
    • GTPFiero

  16. my tgp progress thread

    By stockgp,   
    • 0 replies
    • 1.6k views
    • stockgp
    • stockgp

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

    By visitor,
    • 32 replies
    • 5.4k views
    • intern8tion9l
    • intern8tion9l

  18. Disco Potato Install Help Needed! 1 2

    By Penglii,   
    • 27 replies
    • 4.2k views
    • Penglii
    • Penglii

  19. help with turbo rebuild

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

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

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

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

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

  22. 94GPGTP's Neverending TGP Repair Thread 1 2 3

    By 94GPGTP,   
    • 71 replies
    • 9.6k views
    • 94GPGTP
    • 94GPGTP

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

    By jongrappin,   
    • 102 replies
    • 13.1k views
    • White93z34
    • White93z34

  24. factory boost gauge accuracy?

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

  25. Crossover to Manifold Bolt help needed!!

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