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Turbo Grand Prix

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


2,047 topics in this forum

  1. UPDATE ON POSTERS,

    • 0 replies
    • 939 views
  2. Custom Crossover thoughts?

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

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

    • 2 replies
    • 1.2k views
  5. 1990 5-Speed TGP FOR SALE!! SOLD!!! 1 2

    • 29 replies
    • 3.1k views
  6. 2.5" Mandrel Downpipe!

    • 0 replies
    • 938 views
  7. Looking for sensor parts numbers.

    • 0 replies
    • 798 views
  8. Full Height Spare Tire?

    • 4 replies
    • 946 views
  9. Lowering TGP?

    • 5 replies
    • 5.9k views
  10. New product question?

    • 8 replies
    • 1.2k views
  11. TGP Fuel Pump ??

    • 20 replies
    • 2.4k views
  12. Anyone ever install a Turbo Timer?

    • 4 replies
    • 983 views
  13. header wrap and o2 sensor

    • 4 replies
    • 1.7k views
  14. Got My TGP :)

    • 4 replies
    • 986 views
  15. How to check the X-Over?

    • 2 replies
    • 979 views
  16. Jeff, Jim, anyone with a clue.....??

    • 3 replies
    • 937 views
  17. oil pan ?

    • 5 replies
    • 983 views
  18. TGP RPO code question.....

    • 2 replies
    • 940 views
  19. Oil return to pan

    • 1 reply
    • 875 views
  20. Porting the intake.

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

    • 12 replies
    • 1.7k views
  22. Stock Turbo specs?

    • 8 replies
    • 2.2k views
  23. Turbo Cutlass

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

    • 1 reply
    • 1k views
  25. OMFG the TGP Crossovers SUCK!

    • 4 replies
    • 1.8k views
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