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Turbo Grand Prix

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


2,046 topics in this forum

  1. Custom Crossover thoughts?

    • 11 replies
    • 1.4k views
  2. Latest info on my TGP

    • 4 replies
    • 927 views
  3. My TGP' speedometer is off!

    • 2 replies
    • 1.1k views
  4. 1990 5-Speed TGP FOR SALE!! SOLD!!! 1 2

    • 29 replies
    • 2.9k views
  5. 2.5" Mandrel Downpipe!

    • 0 replies
    • 898 views
  6. Looking for sensor parts numbers.

    • 0 replies
    • 757 views
  7. Full Height Spare Tire?

    • 4 replies
    • 895 views
  8. Lowering TGP?

    • 5 replies
    • 5.8k views
  9. New product question?

    • 8 replies
    • 1.1k views
  10. TGP Fuel Pump ??

    • 20 replies
    • 2.3k views
  11. Anyone ever install a Turbo Timer?

    • 4 replies
    • 929 views
  12. header wrap and o2 sensor

    • 4 replies
    • 1.6k views
  13. Got My TGP :)

    • 4 replies
    • 932 views
  14. How to check the X-Over?

    • 2 replies
    • 930 views
  15. Jeff, Jim, anyone with a clue.....??

    • 3 replies
    • 895 views
  16. oil pan ?

    • 5 replies
    • 927 views
  17. TGP RPO code question.....

    • 2 replies
    • 895 views
  18. Oil return to pan

    • 1 reply
    • 831 views
  19. Porting the intake.

    • 4 replies
    • 1.1k views
  20. Upper charge pipe?

    • 12 replies
    • 1.6k views
  21. Stock Turbo specs?

    • 8 replies
    • 2.1k views
  22. Turbo Cutlass

    • 4 replies
    • 1.4k views
  23. Stock TGP fuel pressure? injector ?

    • 1 reply
    • 970 views
  24. OMFG the TGP Crossovers SUCK!

    • 4 replies
    • 1.7k views
  25. help me please you techs!!!!!

    • 9 replies
    • 1.9k views
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