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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. question for those of you with grainger valve MBCs...

    • 5 replies
    • 959 views
  2. Turbo Cutlass gauges (pics) 1 2

    • 29 replies
    • 3k views
  3. GI: '89 TGP with getrag 284 1 2

    • 32 replies
    • 3.5k views
  4. Shuddering in 2nd gear under boost?

    • 14 replies
    • 1k views
  5. Shopping

    • 2 replies
    • 863 views
    • 37 replies
    • 3k views
  6. car is running like crap *FIXED* 1 2

    • 35 replies
    • 4.4k views
    • 17 replies
    • 1.9k views
  7. spark plugs

    • 2 replies
    • 791 views
  8. Shaved Butt/Whale Tail Spoiler Pics

    • 15 replies
    • 3.6k views
  9. knock sensor upgrade?

    • 8 replies
    • 1.5k views
  10. tranny air ram

    • 0 replies
    • 743 views
  11. Need some parts or part ##s

    • 8 replies
    • 949 views
  12. For those who don't know about my Door sills I have 4 sale.

    • 2 replies
    • 870 views
  13. 90 TSTE radiator

    • 12 replies
    • 1.4k views
  14. computers ????

    • 11 replies
    • 1.3k views
  15. i think my BOV is leaking

    • 4 replies
    • 866 views
  16. Turbo Chip Question

    • 12 replies
    • 1.5k views
  17. BIG MAJOR HUGE PROBLEM!!! 1 2 3

    • 67 replies
    • 7.8k views
    • 13 replies
    • 1.4k views
  18. TSTE for sale

    • 18 replies
    • 1.8k views
  19. TGP hud questions

    • 8 replies
    • 1k views
  20. sometimes smokes?

    • 2 replies
    • 797 views
  21. For those who don't visit the other pages, Rear STB for sale

    • 0 replies
    • 788 views
  22. Low pressure side AC schrader valve... where?

    • 7 replies
    • 8k views
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