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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. PCV Valve hose

    • 3 replies
    • 1.5k views
  2. thicker oil?

    • 5 replies
    • 1.5k views
  3. Turbo downpipe

    • 10 replies
    • 1.5k views
    • 7 replies
    • 1.5k views
  4. Horn Not Working

    • 6 replies
    • 1.5k views
  5. H.D. 4T60 rebuild parts advice

    • 3 replies
    • 1.5k views
  6. Desktop dyno info

    • 2 replies
    • 1.5k views
  7. How Much do you Guys pay for insurance? (TGP)

    • 14 replies
    • 1.5k views
  8. 1990 TGP ECM #'s

    • 2 replies
    • 1.5k views
  9. Tuning for E85

    • 7 replies
    • 1.5k views
  10. 1989 TGP Recalls ?

    • 4 replies
    • 1.5k views
  11. Who would be interested in a...

    • 1 reply
    • 1.5k views
  12. New product question?

    • 8 replies
    • 1.5k views
  13. other turbos??

    • 10 replies
    • 1.5k views
  14. Shuddering in 2nd gear under boost?

    • 14 replies
    • 1.5k views
  15. Walkaround and stuff.

    • 1 reply
    • 1.5k views
  16. Proud owner of a 90 Black TGP (story)

    • 8 replies
    • 1.5k views
  17. Coil Over's

    • 4 replies
    • 1.5k views
  18. carfax request

    • 14 replies
    • 1.5k views
  19. Intermittent Blinking/Flashing Anti-Lock light?

    • 6 replies
    • 1.5k views
  20. Powermaster III grommet

    • 4 replies
    • 1.5k views
  21. an odd question for the 3.1turbo/5spd guys..

    • 11 replies
    • 1.5k views
    • 3 replies
    • 1.5k views
  22. turbo 3.1

    • 3 replies
    • 1.5k views
  23. Pics of my TSTE

    • 9 replies
    • 1.5k views
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