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Turbo Grand Prix

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

2,047 topics in this forum

  1. Boost Gauge Install

    By S P E E D,   
    • 0 replies
    • 1.8k views

  2. Stock or aftermarket rad???

    By S P E E D,   
    • 23 replies
    • 2.1k views

  3. New TGP Owner

    By S P E E D,
    • 22 replies
    • 2.5k views

  4. 1990 tgp trans remove

    By whip,   
    • 3 replies
    • 920 views

  5. 1990 TGP Trans

    By whip,   
    • 10 replies
    • 1.4k views

  6. Tranny

    By stubby,   
    • 16 replies
    • 1.8k views

  7. Problem Without a Clue.....

    By Addicted To Boost,   
    • 7 replies
    • 927 views

  8. Factory boost controller and MBC at the same time

    By GOT2B GM,   
    • 4 replies
    • 1.2k views

  9. grand prix 1990 turbo Mclaren

    By whip,   
    • 18 replies
    • 2.5k views

  10. KAZ MotorSports HOT/Performance Chips ON SALE!

    By krenzy,
    • 2 replies
    • 1.9k views

  11. T28 question

    By 350TPI,   
    • 5 replies
    • 940 views

  12. found a Jeff M rebuilt crossover

    By erich,   
    • 16 replies
    • 1.8k views

  13. dyno sheets and questions!

    By futuretgper,   
    • 5 replies
    • 975 views

  14. Any benefit to a HO2 in a TGP?

    By GnatGoSplat,   
    • 18 replies
    • 1.8k views

  15. Who has a Chipped TGP? 1 2

    By 89GPSE,   
    • 29 replies
    • 2.5k views

  16. NO FRIGGEN WAY.........

    By Addicted To Boost,   
    • 6 replies
    • 1.2k views

  17. TGP Values 1 2 3 4

    By 89GPSE,   
    • 79 replies
    • 9.1k views

  18. Location of lower motor mount

    By 350TPI,   
    • 4 replies
    • 943 views

  19. Oil pump drive o-ring

    By TLOC,   
    • 5 replies
    • 1k views

  20. Sensors

    By TLOC,   
    • 3 replies
    • 979 views

  21. Turn signal stalk

    By 350TPI,   
    • 6 replies
    • 1.1k views

  22. TGP Upgrade Questions.

    By 89GPSE,   
    • 4 replies
    • 1.2k views

  23. hey guys I'm new to the site, have just a couple easy ?s

    By trbo31,   
    • 16 replies
    • 1.4k views

  24. How would the gears in these trannies work for 3.1 turbo??

    By Bake82,   
    • 1 reply
    • 869 views

  25. Where do i find this part?

    By 350TPI,   
    • 11 replies
    • 1.2k views
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