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Turbo Grand Prix

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


2,050 topics in this forum

  1. wideband problem

    • 13 replies
    • 2.4k views
  2. Hoses

    • 1 reply
    • 2.4k views
  3. group buy- 3" stainless downpipes

    • 6 replies
    • 2.4k views
  4. auto tranny

    • 1 reply
    • 2.4k views
  5. UPDATE!! New Owner of a TGP - PICTURES!!! 1 2

    • 29 replies
    • 2.4k views
  6. Abrupt Stops - Kills it.. TPS Problem?

    • 20 replies
    • 2.4k views
  7. Craigslist find 1990 GP ASC Mclaren Turbo Chicago area 6,700 Miles

    • 1 reply
    • 2.4k views
  8. WOOT! QUESTION TIME!

    • 4 replies
    • 2.4k views
  9. TGP out of storage and has a couple of issues

    • 10 replies
    • 2.4k views
  10. GM part # for a TGP Oil Pressure Sending Unit?

    • 2 replies
    • 2.4k views
  11. help needed....

    • 21 replies
    • 2.4k views
  12. Stock Boost Gauge?

    • 8 replies
    • 2.4k views
  13. TGP/5-speed in an L body?

    • 8 replies
    • 2.4k views
  14. Something is very wrong.. No power, no boost

    • 11 replies
    • 2.4k views
  15. air to water intercooler for a turbo

    • 1 reply
    • 2.4k views
  16. My Maroon 5 Spokes on TSTE...PICS!!!

    • 24 replies
    • 2.4k views
  17. an odd problem with the STE? 1 2

    • 25 replies
    • 2.4k views
  18. where can i get silicone turbo coolant supply/return hose??

    • 6 replies
    • 2.3k views
  19. Thought I blew up the STE

    • 19 replies
    • 2.3k views
  20. bad injector leaking?

    • 6 replies
    • 2.3k views
  21. Stock TGP turbo?

    • 11 replies
    • 2.3k views
  22. Memcal

    • 16 replies
    • 2.3k views
  23. Razzi front ground effects!!!

    • 21 replies
    • 2.3k views
  24. Has Anyone heard of putting a Turbo on a 2003 grand prix 3.1

    • 17 replies
    • 2.3k views
  25. Why is my car running rich!?

    • 6 replies
    • 2.3k views
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