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Turbo Grand Prix

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


2,050 topics in this forum

  1. Chipped again!

    • 8 replies
    • 1.3k views
  2. S

    • 2 replies
    • 899 views
  3. Looking for a code sorce and a repair manual..

    • 3 replies
    • 911 views
  4. Is an exhaust cutout much benifit to our cars?

    • 19 replies
    • 2.3k views
  5. New TPG needs a turbo... 1 2

    • 25 replies
    • 2.9k views
  6. boost controll solenoid ?

    • 3 replies
    • 1k views
  7. Got bored so I g-teched my car! 13's!!!

    • 13 replies
    • 1.3k views
  8. First x-over was bad, not its EGR pipe

    • 3 replies
    • 988 views
    • 0 replies
    • 872 views
  9. Uploaded one of many new drag videos

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

    • 16 replies
    • 1.9k views
  11. Anybody experienced a bad shimy under full accel?

    • 10 replies
    • 1.5k views
    • 15 replies
    • 2k views
  12. gm remanufactured transmissions?

    • 11 replies
    • 2.3k views
  13. Code 31

    • 3 replies
    • 871 views
  14. Dyno predictions **UPDATE: results & video** 1 2

    • 42 replies
    • 4.3k views
  15. my TSTE's estimated resale?

    • 8 replies
    • 1.1k views
  16. this car worth it?

    • 5 replies
    • 1.1k views
  17. new here... help? with TGP

    • 2 replies
    • 955 views
  18. moved post about PMIII

    • 2 replies
    • 1.1k views
  19. rings

    • 8 replies
    • 1.2k views
  20. Head liner

    • 7 replies
    • 1.5k views
    • 9 replies
    • 1.2k views
  21. MUST READ on turbos/engine strokes/hp vs torque/turbo cam++ 1 2

    • 38 replies
    • 3.3k views
  22. Intercooler Pressure Drop Info

    • 0 replies
    • 915 views
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