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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. TGP Computer Tuning?

    • 6 replies
    • 1.4k views
  2. wastegate actuator

    • 1 reply
    • 1.4k views
  3. Im Boosted *UPDATED*

    • 12 replies
    • 1.4k views
  4. Grand Prix Turbo Parts

    • 6 replies
    • 1.4k views
  5. Article on TGP

    • 11 replies
    • 1.4k views
  6. Primary cooling fan died

    • 5 replies
    • 1.4k views
  7. Can't get turbo off TGP?!?! How is it done???

    • 12 replies
    • 1.4k views
  8. Is this normal???

    • 11 replies
    • 1.4k views
  9. ;

    • 8 replies
    • 1.4k views
  10. just tuned her up and now other old parts acting up?

    • 11 replies
    • 1.4k views
  11. 89 Turbo.

    • 0 replies
    • 1.4k views
  12. How much hp from P&P the heads??

    • 0 replies
    • 1.4k views
  13. 2.8vs3.1

    • 4 replies
    • 1.4k views
  14. pulling my Turbo STE engine

    • 9 replies
    • 1.4k views
  15. Manual Boost Controllers

    • 0 replies
    • 1.4k views
  16. FS: 1990 TGP Black on Tan

    • 9 replies
    • 1.4k views
  17. Boost Cutoff Switch

    • 3 replies
    • 1.4k views
  18. TGP throttle body (17089084) replace/rebuild

    • 1 reply
    • 1.4k views
  19. Another TSTE with 5 spokes??? It won't be long!!!

    • 9 replies
    • 1.4k views
  20. upgrading turbos

    • 5 replies
    • 1.4k views
  21. ]]]]

    • 6 replies
    • 1.4k views
  22. Crossover Repair.

    • 1 reply
    • 1.4k views
  23. .....RIP trans.......

    • 6 replies
    • 1.4k views
  24. Lookin into a 90 TGP...any thoughts?

    • 9 replies
    • 1.4k views
  25. Seat Covers

    • 9 replies
    • 1.4k views
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