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Turbo Grand Prix

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


2,049 topics in this forum

  1. different stall converter?

    • 5 replies
    • 1.2k views
  2. need pics/description of turbo coolant supply line...

    • 1 reply
    • 1.2k views
  3. DEI intake tube cover kit.

    • 5 replies
    • 1.2k views
  4. manual swap question?

    • 9 replies
    • 1.2k views
    • 5 replies
    • 1.2k views
  5. '''

    • 5 replies
    • 1.2k views
  6. aftermarket tach?

    • 8 replies
    • 1.2k views
  7. Boost goes up and down during mid acceleration

    • 7 replies
    • 1.2k views
  8. I am now the proud owner of a 90 TGP :)

    • 9 replies
    • 1.2k views
  9. 1989 TGP needs parts!!!

    • 7 replies
    • 1.2k views
  10. Can I hit 13's???

    • 7 replies
    • 1.2k views
  11. 16.7 miles...

    • 7 replies
    • 1.2k views
    • 7 replies
    • 1.2k views
  12. [][][][]

    • 7 replies
    • 1.2k views
  13. general turbo question

    • 2 replies
    • 1.2k views
  14. '

    • 7 replies
    • 1.2k views
  15. were do they go

    • 7 replies
    • 1.2k views
  16. do new Mahle pistons include...

    • 6 replies
    • 1.2k views
  17. I Have a problem, any help???

    • 11 replies
    • 1.2k views
  18. Cold air and turbos pt 2

    • 10 replies
    • 1.1k views
  19. :( 90 TGP trans issue...

    • 2 replies
    • 1.1k views
  20. any grainger valved TGP's out there?

    • 5 replies
    • 1.1k views
  21. BOV Issue? ya, acting up again...

    • 4 replies
    • 1.1k views
  22. rings

    • 8 replies
    • 1.1k views
  23. IC couplers and clamps

    • 9 replies
    • 1.1k views
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