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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. SES Light is on, and I need some help

    • 2 replies
    • 1k views
  2. HUD in a 90 TGP

    • 2 replies
    • 1k views
  3. super-white sealed beam conversion

    • 1 reply
    • 1k views
  4. Radiator Upgrades

    • 2 replies
    • 1k views
  5. Pulled my x-over and turbo

    • 3 replies
    • 1k views
    • 2 replies
    • 1k views
  6. Continuously Fouled Plugs?

    • 1 reply
    • 1k views
  7. new here... help? with TGP

    • 2 replies
    • 1k views
    • 3 replies
    • 1k views
  8. Higher Performance Frictions/POLL

    • 0 replies
    • 1k views
  9. Sudden dying

    • 3 replies
    • 1k views
  10. PMIII pressure switch update

    • 0 replies
    • 1k views
  11. New member, and new owner.

    • 3 replies
    • 1k views
  12. brakes

    • 2 replies
    • 1k views
    • 7 replies
    • 1k views
  13. Not many posts in the TGP Section!!??

    • 5 replies
    • 1k views
  14. Is this over boost fuel cut off? EDIT: Lesson learned!

    • 1 reply
    • 1k views
    • 1 reply
    • 1k views
  15. She Turned to 140,000MI at 120+

    • 2 replies
    • 1k views
  16. rear break line splitter box (proportioning)

    • 1 reply
    • 1k views
  17. My PM III issues

    • 3 replies
    • 1k views
  18. Attn Jeff M: Re MSD Plug Wires

    • 2 replies
    • 1k views
  19. My TGP/STE heads...

    • 0 replies
    • 1k views
  20. to those that use/have diacom

    • 0 replies
    • 1k views
  21. 4T60-E in a TGP

    • 4 replies
    • 1k views
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