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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. Difference between 89 and 90

    • 6 replies
    • 1.2k views
  2. boost problems

    • 14 replies
    • 1.7k views
  3. this garrett t-25 any good? (brand new)

    • 5 replies
    • 1k views
  4. Jeff M's Engine info- Jeff M, Please post specs here :) 1 2 3 4 5

    • 100 replies
    • 10.9k views
  5. K&N and Breather

    • 21 replies
    • 2k views
  6. Info about the stock TGP spark table...

    • 10 replies
    • 1.8k views
  7. Got me a new toy. 1 2

    • 37 replies
    • 4.1k views
  8. Mclaren Grand Prix Turbo Kit Question 1 2

    • 27 replies
    • 4.3k views
  9. Shopping

    • 2 replies
    • 1.1k views
  10. 2 problems with TGP :(

    • 8 replies
    • 1.3k views
  11. BOV installed - pics *vids added* 1 2

    • 30 replies
    • 2.9k views
  12. spark plugs

    • 2 replies
    • 992 views
  13. Shuddering in 2nd gear under boost?

    • 14 replies
    • 1.3k views
  14. Shaved Butt/Whale Tail Spoiler Pics

    • 15 replies
    • 3.9k views
  15. when does your turbo sound kick in 1 2

    • 38 replies
    • 3.6k views
  16. tranny air ram

    • 0 replies
    • 876 views
  17. For those who don't know about my Door sills I have 4 sale.

    • 2 replies
    • 1.1k views
  18. Need some parts or part ##s

    • 8 replies
    • 1.1k views
  19. GI: '89 TGP with getrag 284 1 2

    • 32 replies
    • 4k views
  20. Turbo Cutlass gauges (pics) 1 2

    • 29 replies
    • 3.5k views
    • 17 replies
    • 2.2k views
  21. knock sensor upgrade?

    • 8 replies
    • 1.8k views
  22. i think my BOV is leaking

    • 4 replies
    • 1.1k views
  23. 90 TSTE radiator

    • 12 replies
    • 1.6k views
  24. computers ????

    • 11 replies
    • 1.6k views
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