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Turbo Grand Prix

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


2,047 topics in this forum

  1. Head bolts recommendation?

    • 13 replies
    • 1.1k views
  2. '

    • 2 replies
    • 1.1k views
  3. Mileage poll

    • 0 replies
    • 1.1k views
  4. Disco Potato

    • 8 replies
    • 1.1k views
  5. Weird Milage Counter

    • 1 reply
    • 1.1k views
  6. transaxle problem

    • 4 replies
    • 1.1k views
  7. thicker oil?

    • 5 replies
    • 1.1k views
  8. air fuel ratio gages

    • 10 replies
    • 1.1k views
  9. '''

    • 5 replies
    • 1.1k views
  10. need set of rear sturts!!!!!!!

    • 0 replies
    • 1.1k views
  11. headlight problem

    • 10 replies
    • 1.1k views
  12. LG5 headgaskets: Fel-Pro or GM?

    • 10 replies
    • 1.1k views
  13. 5 speed conversion: need to move turbo?

    • 1 reply
    • 1.1k views
  14. '

    • 7 replies
    • 1.1k views
  15. Boost Control Ideas

    • 11 replies
    • 1.1k views
  16. Larger Intercooler

    • 8 replies
    • 1.1k views
  17. [][][][]

    • 7 replies
    • 1.1k views
  18. 16.7 miles...

    • 7 replies
    • 1.1k views
  19. I am now the proud owner of a 90 TGP :)

    • 9 replies
    • 1.1k views
  20. wastegate solenoid P/N

    • 1 reply
    • 1.1k views
  21. wheels

    • 6 replies
    • 1.1k views
  22. B

    • 5 replies
    • 1.1k views
  23. need pics/description of turbo coolant supply line...

    • 1 reply
    • 1.1k views
    • 1 reply
    • 1.1k views
  24. GM computer replacement...%$#*&!!!!

    • 10 replies
    • 1.1k views
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