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Turbo Grand Prix

This forum is for enthusiasts of the rare 1989-90 Pontiac Grand Prix Turbo.


2,049 topics in this forum

  1. Tires? 215/60's, 225/60's or 245/50's

    • 15 replies
    • 3.7k views
  2. 3.1 Turbo Cavalier conversion EPROM Question

    • 22 replies
    • 3.7k views
  3. What weight of oil does everyone use?

    • 12 replies
    • 3.7k views
  4. Alright. Carnage pics. edit: pulled the head.. new pics 1 2

    • 31 replies
    • 3.7k views
  5. 5 speed TGP video 1 2

    • 39 replies
    • 3.6k views
  6. BOV part #'s 1 2

    • 27 replies
    • 3.6k views
  7. PMIII parts availability

    • 12 replies
    • 3.6k views
  8. SHE'S ALIVE!!! 1 2 3

    • 53 replies
    • 3.5k views
  9. Jeff where the hell are you. 1 2

    • 30 replies
    • 3.5k views
  10. teaser pic of some progress to my TGP... 1 2

    • 35 replies
    • 3.5k views
    • 34 replies
    • 3.5k views
  11. Tech1 Cartridge For Powermaster III?

    • 10 replies
    • 3.5k views
  12. Help 1 2

    • 33 replies
    • 3.5k views
  13. few problems 1 2

    • 38 replies
    • 3.5k views
  14. Source for PMIII parts?

    • 11 replies
    • 3.4k views
    • 37 replies
    • 3.4k views
  15. $8f tuning. boost values

    • 6 replies
    • 3.4k views
  16. boosting problem (kinda long) 1 2

    • 31 replies
    • 3.4k views
  17. I Will No Longer Be Visiting W-body 1 2

    • 26 replies
    • 3.4k views
  18. when does your turbo sound kick in 1 2

    • 38 replies
    • 3.4k views
  19. TGP Posters 1 2

    • 27 replies
    • 3.4k views
    • 35 replies
    • 3.4k views
  20. 1990 5-Speed TGP FOR SALE!! SOLD!!! 1 2

    • 29 replies
    • 3.4k views
  21. New tgp purchase and owner 1 2

    • 29 replies
    • 3.4k views
  22. Lowering ass end of TGP????

    • 22 replies
    • 3.4k views
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