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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. Is an exhaust cutout much benifit to our cars?

    • 19 replies
    • 2.1k views
  2. New TPG needs a turbo... 1 2

    • 25 replies
    • 2.6k views
  3. boost controll solenoid ?

    • 3 replies
    • 946 views
  4. Got bored so I g-teched my car! 13's!!!

    • 13 replies
    • 1.2k views
  5. First x-over was bad, not its EGR pipe

    • 3 replies
    • 876 views
    • 0 replies
    • 802 views
  6. Uploaded one of many new drag videos

    • 4 replies
    • 797 views
  7. Got my helmet today so now I can go back to the track.

    • 16 replies
    • 1.7k views
  8. Anybody experienced a bad shimy under full accel?

    • 10 replies
    • 1.3k views
    • 15 replies
    • 1.8k views
  9. gm remanufactured transmissions?

    • 11 replies
    • 2.2k views
  10. Code 31

    • 3 replies
    • 788 views
  11. Dyno predictions **UPDATE: results & video** 1 2

    • 42 replies
    • 3.8k views
  12. my TSTE's estimated resale?

    • 8 replies
    • 974 views
  13. this car worth it?

    • 5 replies
    • 940 views
  14. new here... help? with TGP

    • 2 replies
    • 877 views
  15. moved post about PMIII

    • 2 replies
    • 951 views
  16. rings

    • 8 replies
    • 1k views
  17. Head liner

    • 7 replies
    • 1.4k views
    • 9 replies
    • 1.1k views
  18. MUST READ on turbos/engine strokes/hp vs torque/turbo cam++ 1 2

    • 38 replies
    • 3k views
  19. Intercooler Pressure Drop Info

    • 0 replies
    • 815 views
  20. Proud owner of a 90 Black TGP (story)

    • 8 replies
    • 1.1k views
  21. datamaster beta...help get this car running

    • 20 replies
    • 1.7k views
  22. need starting fluid 2 start

    • 3 replies
    • 855 views
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