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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. need help just purchased 90 ste turbo

    • 24 replies
    • 1.8k views
  2. Trunk Lid

    • 8 replies
    • 1.8k views
  3. any jap crap or mustang haters out there?

    • 5 replies
    • 1.8k views
  4. no fuel pressure?

    • 6 replies
    • 1.8k views
  5. TGP interiors

    • 14 replies
    • 1.8k views
  6. '

    • 13 replies
    • 1.8k views
  7. Gauge Clusters

    • 11 replies
    • 1.8k views
  8. A few small upgrades to my red TGP.

    • 12 replies
    • 1.8k views
  9. Help with turbo tech

    • 3 replies
    • 1.8k views
  10. Newbie??

    • 1 reply
    • 1.8k views
  11. Transmission problems???

    • 5 replies
    • 1.8k views
  12. EGR -> Wastegate solenoid wiring

    • 3 replies
    • 1.8k views
  13. Post your dyno charts. & Boost quest.?

    • 7 replies
    • 1.8k views
  14. turning up the boost?

    • 16 replies
    • 1.8k views
  15. who will make me a 5-speed chip?

    • 16 replies
    • 1.8k views
  16. Dynoed the 3.1 Turbo Wagon

    • 15 replies
    • 1.8k views
  17. Cam upgrades

    • 20 replies
    • 1.8k views
  18. deleted post

    • 22 replies
    • 1.8k views
  19. Okay guys, my TGP and I need your help.

    • 15 replies
    • 1.8k views
  20. rebuilt crossover pipe fitment problem (EDIT: my fault)

    • 17 replies
    • 1.8k views
  21. pulling timing? my boost controller? both? help!

    • 16 replies
    • 1.8k views
  22. Feeler Thread

    • 6 replies
    • 1.8k views
  23. Whats gas mileage do you get?

    • 17 replies
    • 1.8k views
  24. 3400 SFI parts for TGP

    • 10 replies
    • 1.8k views
  25. My new to me 1989 TGP

    • 6 replies
    • 1.8k views
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