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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. DYNOED MY TGP! S-AFC ?

    • 18 replies
    • 2.1k views
  2. Coolant drain plug

    • 9 replies
    • 1.5k views
  3. Cruse Controle doesn't work

    • 4 replies
    • 1.2k views
  4. New Found Power!

    • 7 replies
    • 1.4k views
  5. UPDATE ON POSTERS,

    • 0 replies
    • 1.1k views
  6. Custom Crossover thoughts?

    • 11 replies
    • 1.7k views
  7. Latest info on my TGP

    • 4 replies
    • 1.1k views
  8. My TGP' speedometer is off!

    • 2 replies
    • 1.4k views
  9. 1990 5-Speed TGP FOR SALE!! SOLD!!! 1 2

    • 29 replies
    • 3.8k views
  10. 2.5" Mandrel Downpipe!

    • 0 replies
    • 1.1k views
  11. Looking for sensor parts numbers.

    • 0 replies
    • 989 views
  12. Full Height Spare Tire?

    • 4 replies
    • 1.2k views
  13. Lowering TGP?

    • 5 replies
    • 6.1k views
  14. New product question?

    • 8 replies
    • 1.4k views
  15. TGP Fuel Pump ??

    • 20 replies
    • 2.7k views
  16. Anyone ever install a Turbo Timer?

    • 4 replies
    • 1.2k views
  17. header wrap and o2 sensor

    • 4 replies
    • 1.9k views
  18. Got My TGP :)

    • 4 replies
    • 1.2k views
  19. How to check the X-Over?

    • 2 replies
    • 1.2k views
  20. Jeff, Jim, anyone with a clue.....??

    • 3 replies
    • 1.1k views
  21. oil pan ?

    • 5 replies
    • 1.2k views
  22. TGP RPO code question.....

    • 2 replies
    • 1.1k views
  23. Oil return to pan

    • 1 reply
    • 1.1k views
  24. Porting the intake.

    • 4 replies
    • 1.3k views
  25. Upper charge pipe?

    • 12 replies
    • 2k views
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