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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. 4T60 vs 4T60-E

    • 20 replies
    • 2.4k views
  2. thinking of selling the tgp.

    • 23 replies
    • 2.4k views
  3. Vacuum brake swap.

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

    • 1 reply
    • 2.4k views
  5. Hoses

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

    • 6 replies
    • 2.4k views
  7. TGP out of storage and has a couple of issues

    • 10 replies
    • 2.4k views
  8. WOOT! QUESTION TIME!

    • 4 replies
    • 2.4k views
  9. Abrupt Stops - Kills it.. TPS Problem?

    • 20 replies
    • 2.4k views
  10. auto tranny

    • 1 reply
    • 2.4k views
  11. TGP/5-speed in an L body?

    • 8 replies
    • 2.4k views
  12. an odd problem with the STE? 1 2

    • 25 replies
    • 2.4k views
  13. Stock Boost Gauge?

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

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

    • 1 reply
    • 2.4k views
  16. Something is very wrong.. No power, no boost

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

    • 21 replies
    • 2.4k views
  18. Razzi front ground effects!!!

    • 21 replies
    • 2.4k views
  19. My Maroon 5 Spokes on TSTE...PICS!!!

    • 24 replies
    • 2.4k views
  20. Stock TGP turbo?

    • 11 replies
    • 2.4k views
  21. Injectors

    • 18 replies
    • 2.4k views
  22. bad injector leaking?

    • 6 replies
    • 2.4k views
  23. Thought I blew up the STE

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

    • 6 replies
    • 2.4k views
  25. Is an exhaust cutout much benifit to our cars?

    • 19 replies
    • 2.4k views
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