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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. PM3 Test?

    • 4 replies
    • 1.8k views
  2. 3.1 rotating assembly in a 3100 block?

    • 4 replies
    • 1.8k views
  3. Black STE

    • 6 replies
    • 1.8k views
  4. What The F#^K?????

    • 15 replies
    • 1.8k views
  5. what are these wires for??

    • 8 replies
    • 1.8k views
  6. TurboXS

    • 5 replies
    • 1.8k views
  7. CO2 on intercooler??

    • 9 replies
    • 1.8k views
  8. TGP Tune up

    • 5 replies
    • 1.8k views
    • 15 replies
    • 1.8k views
  9. TGP 3rd Brake Light Overlays...

    • 7 replies
    • 1.8k views
  10. overboosting??

    • 11 replies
    • 1.8k views
  11. TGP Articles

    • 8 replies
    • 1.8k views
  12. has any one looked in to a 4t65hd

    • 8 replies
    • 1.8k views
  13. stock 1990 grand prix turbo

    • 10 replies
    • 1.8k views
  14. started disassembling the TGP motor today (pics)

    • 23 replies
    • 1.8k views
  15. Bought a TGP, got hosed?

    • 14 replies
    • 1.8k views
  16. Upgraded Fuel Injectors Part Number?????

    • 15 replies
    • 1.8k views
  17. MY Daily Driver TGP won't start / starts very hard.

    • 1 reply
    • 1.8k views
  18. CAM

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

    • 2 replies
    • 1.8k views
  20. 90 TGP 4 SALE CHEAP

    • 14 replies
    • 1.8k views
  21. Hi, new TGP owner!

    • 10 replies
    • 1.8k views
  22. PM III

    • 1 reply
    • 1.8k views
    • 18 replies
    • 1.8k views
  23. For those that think of shaving badges

    • 15 replies
    • 1.8k views
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