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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. R-134a adapter for TGP low side AC fitting?

    • 7 replies
    • 2.7k views
  2. Front Mount Intercooler

    • 17 replies
    • 2.7k views
  3. Performance chip

    • 14 replies
    • 2.7k views
  4. Injector Testing

    • 13 replies
    • 2.7k views
  5. Boost guage misteriously started working :) 1 2

    • 28 replies
    • 2.7k views
  6. Just picked up 1990 TGP need help : ( 1 2

    • 31 replies
    • 2.7k views
  7. New TGP Owner

    • 22 replies
    • 2.7k views
  8. Stupid Stupid People!!! 1 2

    • 26 replies
    • 2.7k views
  9. any interest in a pretty much parts robbed 1990 TGP in wisconsin? worth it? 1 2

    • 32 replies
    • 2.7k views
  10. BOV installed - pics *vids added* 1 2

    • 30 replies
    • 2.7k views
  11. Premium gas?

    • 16 replies
    • 2.7k views
  12. ECM question on 1990 turbo

    • 20 replies
    • 2.7k views
    • 25 replies
    • 2.7k views
  13. Sellin' my 90 TGP

    • 20 replies
    • 2.7k views
  14. Looking for Jeff M.

    • 18 replies
    • 2.6k views
  15. Sister's TGP

    • 11 replies
    • 2.6k views
  16. 90 tgp engine rebuild

    • 18 replies
    • 2.6k views
    • 10 replies
    • 2.6k views
    • 25 replies
    • 2.6k views
  17. Who has a Chipped TGP? 1 2

    • 29 replies
    • 2.6k views
  18. TGPforums.com Problems

    • 23 replies
    • 2.6k views
  19. Digital Dash

    • 16 replies
    • 2.6k views
  20. TGP cam specs?

    • 19 replies
    • 2.6k views
  21. TGP Fuel Pump ??

    • 20 replies
    • 2.6k views
  22. My New Turbo Wahoo! 1 2

    • 27 replies
    • 2.6k views
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