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Turbo Grand Prix

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

2,046 topics in this forum

  1. where to order FUEL LINE or Repair

    By jongrappin,   
    • 6 replies
    • 2.3k views

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

    By Bake82,   
    • 3 replies
    • 1.5k views

  3. group buy- 3" stainless downpipes

    By kuntzie,   
    • 6 replies
    • 2.1k views

  4. A good floor mat set

    By EMNCFI,   
    • 5 replies
    • 2k views

  5. A little intro of my TGP 1 2

    By EMNCFI,   
    • 25 replies
    • 4.7k views

  6. Conflicting Info on Walbro part numbers

    By EMNCFI,   
    • 2 replies
    • 1.6k views

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

    By drewbe12,   
    • 13 replies
    • 2.2k views

  8. Symptoms of a bad turbo

    By digitaloutsider,   
    • 12 replies
    • 4.5k views

  9. New TGP owner - need some help 1 2

    By Johnnystats,   
    • 37 replies
    • 5k views

  10. Can Anybody tell me what this is.

    By Nyshadow,   
    • 9 replies
    • 1.9k views

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

    By jongrappin,   
    • 9 replies
    • 1.8k views

  12. 1990 Pontiac Turbo Grand Prix - Tuned with Videos - Questions?

    By jongrappin,
    • 17 replies
    • 2.6k views

  13. Firing Order

    By GTPFiero,   
    • 3 replies
    • 7.6k views

  14. my tgp progress thread

    By stockgp,   
    • 0 replies
    • 1.5k views

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

    By visitor,
    • 32 replies
    • 4.7k views

  16. Disco Potato Install Help Needed! 1 2

    By Penglii,   
    • 27 replies
    • 3.8k views

  17. help with turbo rebuild

    By stockgp,   
    • 10 replies
    • 2k views

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

    By Jonpro03,   
    • 16 replies
    • 2.5k views

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

    By Penglii,   
    • 5 replies
    • 1.6k views

  20. 94GPGTP's Neverending TGP Repair Thread 1 2 3

    By 94GPGTP,   
    • 71 replies
    • 8.4k views

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

    By jongrappin,   
    • 102 replies
    • 11.5k views

  22. factory boost gauge accuracy?

    By Garrett Powered,   
    • 13 replies
    • 2.2k views

  23. Crossover to Manifold Bolt help needed!!

    By Penglii,   
    • 10 replies
    • 1.7k views

  24. Source for PMIII parts?

    By jman093,   
    • 11 replies
    • 3.2k views

  25. Found!!! 89 TGP in Junkyard

    By 94GPGTP,   
    • 12 replies
    • 2.7k views
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