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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. What mufflers should I get for my STE?

    • 13 replies
    • 1.3k views
  2. Pulled the motor....found a few suprises

    • 7 replies
    • 1.3k views
  3. Internal Waste Gate for T-25

    • 8 replies
    • 1.3k views
  4. H.D. 4T60 rebuild parts advice

    • 3 replies
    • 1.3k views
  5. Overboosting

    • 9 replies
    • 1.3k views
  6. TGP Appearance In Farewell Pontiac Video

    • 5 replies
    • 1.3k views
  7. Powermaster III grommet

    • 4 replies
    • 1.3k views
  8. 134a Retro Question

    • 4 replies
    • 1.3k views
  9. Paint code for black TGP

    • 4 replies
    • 1.3k views
  10. red/gray 1990 TGP in Philly salvage auction

    • 7 replies
    • 1.3k views
  11. BAD NEWS ABOUT TURBO!!!

    • 8 replies
    • 1.3k views
  12. New guy and potential buyer

    • 8 replies
    • 1.3k views
  13. After market seat belts?

    • 13 replies
    • 1.3k views
  14. Chip burning and injectors

    • 8 replies
    • 1.3k views
  15. blue dash mat

    • 9 replies
    • 1.3k views
  16. Rear Windows

    • 7 replies
    • 1.3k views
  17. Oh tee he!

    • 1 reply
    • 1.2k views
  18. tgp problem

    • 1 reply
    • 1.2k views
  19. tgp pricing???

    • 9 replies
    • 1.2k views
  20. Factory boost controller and MBC at the same time

    • 4 replies
    • 1.2k views
    • 3 replies
    • 1.2k views
  21. Turbo downpipe

    • 10 replies
    • 1.2k views
  22. Tranny fluid change, a couple questions.

    • 1 reply
    • 1.2k views
  23. TGP Upgrade Questions.

    • 4 replies
    • 1.2k views
  24. Is this the stock Turbo???

    • 9 replies
    • 1.2k views
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