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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. Boost loss after 2nd gear? 1 2

    • 28 replies
    • 2.3k views
  2. Do TGPs have....

    • 18 replies
    • 1.5k views
  3. Boost goes up and down during mid acceleration

    • 7 replies
    • 975 views
  4. Paint code for black TGP

    • 4 replies
    • 1.2k views
  5. best exhaust pipe size to run.

    • 13 replies
    • 2.2k views
  6. you guys with 5-speeds....

    • 8 replies
    • 1k views
  7. !

    • 21 replies
    • 2.4k views
    • 28 replies
    • 2.2k views
  8. Sunshine back up on the block (FS)

    • 13 replies
    • 1.2k views
  9. Alright. Carnage pics. edit: pulled the head.. new pics 1 2

    • 31 replies
    • 3.1k views
  10. ;';

    • 7 replies
    • 1.2k views
  11. 89 and 90 TGP differences 1 2 3 4

    • 75 replies
    • 6.5k views
  12. spark plugs/ wires

    • 4 replies
    • 871 views
  13. anyone here using T-bolt clamps?

    • 9 replies
    • 1.2k views
  14. New TGP, New Problems

    • 12 replies
    • 2k views
    • 3 replies
    • 791 views
  15. TGP turbine housing needed!

    • 10 replies
    • 1.3k views
  16. About to be a proud owner of a t25 turbo...

    • 9 replies
    • 1.1k views
  17. where can i get silicone turbo coolant supply/return hose??

    • 6 replies
    • 2.2k views
  18. need stock turbo.

    • 10 replies
    • 1.1k views
  19. TGP A/F Gauge behavior.. WTF?

    • 17 replies
    • 1.9k views
  20. SES Light is on, and I need some help

    • 2 replies
    • 796 views
  21. ';'; 1 2

    • 28 replies
    • 2.5k views
    • 4 replies
    • 932 views
  22. questions/problems about 1990 TGP

    • 4 replies
    • 924 views
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