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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. sometimes smokes?

    • 2 replies
    • 895 views
  2. For those who don't know about my Door sills I have 4 sale.

    • 2 replies
    • 1.1k views
  3. spark plugs

    • 2 replies
    • 931 views
  4. Shopping

    • 2 replies
    • 1k views
  5. Identification numbers

    • 2 replies
    • 937 views
  6. Nice TGP for sale on ebay. 90 144K Red/tan loc: GA

    • 2 replies
    • 999 views
  7. GP1138 and ALL Moderators

    • 2 replies
    • 876 views
  8. Squeaky Door Panels

    • 2 replies
    • 936 views
  9. very weird problem

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

    • 2 replies
    • 914 views
  11. GM part # for a TGP Oil Pressure Sending Unit?

    • 2 replies
    • 2.3k views
  12. I Think I Fried My ECM

    • 2 replies
    • 1.1k views
    • 2 replies
    • 1k views
  13. 1.6/1 Rocker arm questions

    • 2 replies
    • 1.1k views
  14. blow off valve

    • 2 replies
    • 1.1k views
  15. downpipe

    • 2 replies
    • 1.1k views
  16. 1990 TGP ECM #'s

    • 2 replies
    • 1.3k views
  17. TVM install: 2 quick ones

    • 2 replies
    • 1k views
  18. makeing a "turbo GP front bumper"

    • 2 replies
    • 1.1k views
  19. Engine replace

    • 2 replies
    • 947 views
  20. Hmm? More Turbo questions

    • 2 replies
    • 961 views
  21. input C21 on the 7727 computer

    • 2 replies
    • 959 views
  22. Keyless Remote Entry

    • 2 replies
    • 1k views
    • 2 replies
    • 2k views
  23. Tach accuracy

    • 2 replies
    • 1.1k views
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