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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. Is Jeff M STILL AROUND?

    • 5 replies
    • 1.9k views
    • 5 replies
    • 2k views
  2. *CAUTION** READ NOTICE GE 885"s!!!

    • 5 replies
    • 2.5k views
  3. TGP Tune up

    • 5 replies
    • 1.6k views
  4. red 1990 TGP in Denver salvage auction

    • 5 replies
    • 2.1k views
  5. 89 vs 90 TGP

    • 5 replies
    • 1.6k views
  6. Hello: Back and driving a TGP

    • 5 replies
    • 2k views
  7. TGP in Omaha auction

    • 5 replies
    • 2.3k views
  8. PMIII Parts List

    • 5 replies
    • 2.2k views
  9. how to fix..Instrument cluster doesn't work and neither does HUD

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    • 2k views
  10. Just another PM3 thread.

    • 5 replies
    • 1.8k views
  11. Anyone here installed a wideband o2 sensor using the stock ECM and tuning?

    • 5 replies
    • 2.4k views
  12. Big Turbo Guys Come In .

    • 5 replies
    • 2.1k views
  13. Stock Replacment turbo

    • 4 replies
    • 2k views
  14. Total loss of boost?

    • 4 replies
    • 2k views
  15. Stock Performance Specs

    • 4 replies
    • 1.6k views
  16. TGP GAS MILAGE???

    • 4 replies
    • 1.5k views
  17. What are some significant RPO codes that the TGP has???

    • 4 replies
    • 1.5k views
  18. I wonder...

    • 4 replies
    • 1.5k views
  19. Powermaster III grommet

    • 4 replies
    • 1.2k views
  20. New radiator hoses on TGP...

    • 4 replies
    • 1.4k views
  21. This is not a TGP but look at this once........

    • 4 replies
    • 1.5k views
  22. 3.1 rotating assembly in a 3100 block?

    • 4 replies
    • 1.6k views
  23. Turbo Pics:

    • 4 replies
    • 1.5k views
  24. Turbo 3.1L vs. N/A 3.1L

    • 4 replies
    • 1.7k views
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