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Turbo Grand Prix

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


2,050 topics in this forum

  1. Wont Idle (UPDATED)

    • 19 replies
    • 1.9k views
  2. Jud's 3400 top end swap discussion

    • 14 replies
    • 1.9k views
  3. My New Toy!!

    • 16 replies
    • 1.9k views
  4. 0 to 80 vid in the STE.

    • 8 replies
    • 1.9k views
  5. Need BOV recommendations

    • 22 replies
    • 1.9k views
  6. Gauge Clusters

    • 11 replies
    • 1.9k views
  7. new computer

    • 18 replies
    • 1.9k views
  8. need help just purchased 90 ste turbo

    • 24 replies
    • 1.9k views
  9. TGP and Optima Model

    • 24 replies
    • 1.9k views
  10. Help with turbo tech

    • 3 replies
    • 1.9k views
  11. What are the tricks?

    • 22 replies
    • 1.9k views
  12. Transmission problems???

    • 5 replies
    • 1.9k views
  13. TGP gas mileage with Topgun 160 chip

    • 9 replies
    • 1.9k views
  14. Trunk Lid

    • 8 replies
    • 1.9k views
  15. Tranny

    • 16 replies
    • 1.9k views
  16. HUD install

    • 7 replies
    • 1.9k views
  17. Whats gas mileage do you get?

    • 17 replies
    • 1.9k views
  18. TGP Electrical Issue

    • 20 replies
    • 1.9k views
  19. turning up the boost?

    • 16 replies
    • 1.9k views
  20. Turbo Break-in?

    • 10 replies
    • 1.9k views
  21. pulling timing? my boost controller? both? help!

    • 16 replies
    • 1.9k views
  22. TGP Hood, Valence #'s

    • 4 replies
    • 1.9k views
  23. Newbie with questions(long post)

    • 19 replies
    • 1.9k views
  24. ? Front Valance Question

    • 9 replies
    • 1.9k views
  25. Just got a TurboGP--- some questions.

    • 6 replies
    • 1.9k views
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