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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. porting the TB

    • 2 replies
    • 1.1k views
  2. Fuel problomes

    • 1 reply
    • 1.1k views
  3. no power at 4 grand (cat now clean)

    • 4 replies
    • 1.1k views
  4. car & driver, with STE turbo

    • 2 replies
    • 1.1k views
  5. GREAT Low End, Top end is a little slow.

    • 2 replies
    • 1.1k views
    • 3 replies
    • 1.1k views
  6. What could this mean?

    • 0 replies
    • 1.1k views
  7. Hey Jeff M!

    • 3 replies
    • 1.1k views
  8. FINAL POSTER UPDATE

    • 0 replies
    • 1.1k views
  9. Bad injectors???

    • 3 replies
    • 1.1k views
    • 2 replies
    • 1.1k views
  10. Intercooler pipe question

    • 1 reply
    • 1.1k views
  11. exhaust cutout

    • 2 replies
    • 1.1k views
  12. OIL LEAK!

    • 2 replies
    • 1.1k views
  13. Turbo sizing flow calculations

    • 2 replies
    • 1.1k views
  14. Threaded wastegate rod

    • 4 replies
    • 1.1k views
  15. Very very cheap adjustable boost controller....look!!!

    • 3 replies
    • 1.1k views
  16. Current 90 TGP STE Problem Please Read!!!

    • 3 replies
    • 1.1k views
  17. Turbo question for jeff

    • 3 replies
    • 1.1k views
  18. TGP Board

    • 0 replies
    • 1.1k views
  19. what should i do w/my other T25 turbo?

    • 5 replies
    • 1.1k views
  20. Stock Fuel Pressure Levels???

    • 2 replies
    • 1.1k views
  21. Fan Motor Meltdown

    • 1 reply
    • 1.1k views
    • 2 replies
    • 1.1k views
  22. Turbo Flange gasket?

    • 3 replies
    • 1.1k views
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