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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. what are you guys doing for exhaust upgrades?

    • 21 replies
    • 3.2k views
  2. swap getrag 282 in return 4t60

    • 2 replies
    • 3.2k views
  3. TGP Grand Illusion

    • 15 replies
    • 3.2k views
  4. Front Mount Intercooler

    • 17 replies
    • 3.2k views
  5. tgp in a movie

    • 20 replies
    • 3.1k views
  6. 1/4 mile times from Bandimere....

    • 18 replies
    • 3.1k views
  7. My New Turbo Wahoo! 1 2

    • 27 replies
    • 3.1k views
  8. Knocking/ticking noise at startup

    • 5 replies
    • 3.1k views
  9. Just picked up 1990 TGP need help : ( 1 2

    • 31 replies
    • 3.1k views
  10. Stupid Stupid People!!! 1 2

    • 26 replies
    • 3.1k views
    • 25 replies
    • 3.1k views
  11. Who has a Chipped TGP? 1 2

    • 29 replies
    • 3.1k views
  12. just like a few years ago..

    • 13 replies
    • 3.1k views
  13. Injector Testing

    • 13 replies
    • 3.1k views
  14. any interest in a pretty much parts robbed 1990 TGP in wisconsin? worth it? 1 2

    • 32 replies
    • 3.1k views
  15. ECM question on 1990 turbo

    • 20 replies
    • 3.1k views
  16. Set me straight on BOOST!!

    • 10 replies
    • 3.1k views
  17. 90 tgp engine rebuild

    • 18 replies
    • 3.1k views
  18. Swapping Instrument Cluster, TGP To Regular

    • 13 replies
    • 3.1k views
  19. 90 Turbo Grand Prix, I noticed redline, why does it go past redline?

    • 7 replies
    • 3.1k views
  20. TSTE has been junked.

    • 1 reply
    • 3.1k views
  21. Hitting fuel cut more and more often....possibly ignition? 1 2

    • 37 replies
    • 3.1k views
  22. ABS Maintenance/Accumulator

    • 15 replies
    • 3.1k views
  23. subframe bolts broke on me

    • 16 replies
    • 3k views
  24. Brake problems with the STE

    • 13 replies
    • 3k views
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