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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. overboosting??

    • 11 replies
    • 1.8k views
  2. pics of my TGP

    • 20 replies
    • 1.8k views
  3. I need some advice

    • 16 replies
    • 1.8k views
  4. replacing a TGP driver's door

    • 13 replies
    • 1.8k views
  5. Turbo Cutlass

    • 4 replies
    • 1.8k views
  6. what are these wires for??

    • 8 replies
    • 1.8k views
  7. Black STE

    • 6 replies
    • 1.8k views
  8. Bought a TGP, got hosed?

    • 14 replies
    • 1.8k views
  9. TGP Articles

    • 8 replies
    • 1.8k views
  10. tgp stalls for no reason! Any Help?

    • 2 replies
    • 1.8k views
  11. Wastegate Sollinoid?

    • 5 replies
    • 1.8k views
  12. Got me a brand new GM valance for the TGP

    • 7 replies
    • 1.8k views
  13. What The F#^K?????

    • 15 replies
    • 1.8k views
  14. TGP Tune up

    • 5 replies
    • 1.8k views
  15. TurboXS

    • 5 replies
    • 1.8k views
  16. stock 1990 grand prix turbo

    • 10 replies
    • 1.8k views
  17. CAM

    • 8 replies
    • 1.8k views
  18. CO2 on intercooler??

    • 9 replies
    • 1.8k views
  19. fuel system questions

    • 2 replies
    • 1.8k views
  20. Hi, new TGP owner!

    • 10 replies
    • 1.8k views
  21. Upgraded Fuel Injectors Part Number?????

    • 15 replies
    • 1.8k views
  22. has any one looked in to a 4t65hd

    • 8 replies
    • 1.8k views
  23. PM III

    • 1 reply
    • 1.8k views
  24. 12353919 "mild turbo" cam discon..

    • 5 replies
    • 1.8k views
  25. started disassembling the TGP motor today (pics)

    • 23 replies
    • 1.8k views
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