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Turbo Grand Prix

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


2,051 topics in this forum

  1. Fuel Injector Hoopla

    • 1 reply
    • 2.1k views
  2. Need TGP engine info...anyone?

    • 3 replies
    • 2.1k views
  3. Turbo Question

    • 19 replies
    • 2.1k views
  4. Upper charge pipe?

    • 12 replies
    • 2.1k views
  5. TGP and Optima Model

    • 24 replies
    • 2.1k views
  6. TGP gas mileage with Topgun 160 chip

    • 9 replies
    • 2.1k views
    • 17 replies
    • 2.1k views
  7. Leaky proportioning valve

    • 6 replies
    • 2.1k views
  8. Difficult decision time.....

    • 8 replies
    • 2.1k views
  9. New here, love this car...

    • 17 replies
    • 2.1k views
  10. my 1990 mclaren TGP tranny is a goner, rebuild or buy used?

    • 6 replies
    • 2.1k views
  11. need help just purchased 90 ste turbo

    • 24 replies
    • 2.1k views
  12. F-n Headlights.....

    • 13 replies
    • 2.1k views
  13. 0 to 80 vid in the STE.

    • 8 replies
    • 2.1k views
  14. TGP Trans issue

    • 7 replies
    • 2.1k views
  15. turbo wheels, turbo or GTP emblem but 91+ front end WTF!

    • 8 replies
    • 2.1k views
  16. Post your dyno charts. & Boost quest.?

    • 7 replies
    • 2.1k views
  17. ;

    • 10 replies
    • 2.1k views
  18. Trunk Lid

    • 8 replies
    • 2.1k views
  19. Help with turbo tech

    • 3 replies
    • 2.1k views
  20. Just another PM3 thread.

    • 5 replies
    • 2.1k views
  21. stock 3.1 n/a injectors

    • 9 replies
    • 2.1k views
  22. Turbo Gaskets?

    • 7 replies
    • 2.1k views
  23. TGP 1/4 times list

    • 22 replies
    • 2.1k views
  24. new computer

    • 18 replies
    • 2.1k views
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