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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. Nitromethane.....

    • 2 replies
    • 1k views
  2. She's Tuned, Legal, Buffed and Polished!

    • 7 replies
    • 1k views
  3. Arrrggghhhh! where did fourth gear go???? slipping?

    • 3 replies
    • 1k views
  4. Started her up today..

    • 7 replies
    • 1k views
  5. Do all '90 TGPs have the vacuum EGR?

    • 2 replies
    • 1k views
  6. ;

    • 2 replies
    • 1k views
  7. coil layout different from n.a. grand prix?????

    • 3 replies
    • 1k views
  8. Full vacumm line diagram?

    • 6 replies
    • 1k views
  9. TGP/TSTE Cluster

    • 3 replies
    • 1k views
  10. Boost selector switch

    • 0 replies
    • 1k views
  11. Turbo > Regular 3.1

    • 2 replies
    • 1k views
  12. What to use for rear cam seal???

    • 6 replies
    • 1k views
  13. pic request - TGP wastegate solenoid

    • 4 replies
    • 1k views
  14. Tach accuracy

    • 2 replies
    • 1k views
  15. '

    • 1 reply
    • 1k views
  16. looking to gauge cluster

    • 2 replies
    • 1k views
  17. TCC sticking?

    • 5 replies
    • 1k views
  18. The end of the old TGP block

    • 5 replies
    • 1k views
  19. Volumetric Efficiency and turbos...

    • 5 replies
    • 1k views
  20. No spark

    • 12 replies
    • 1k views
  21. TGP is STILL running like ass.

    • 1 reply
    • 1k views
  22. Bypassing the Turbo?

    • 5 replies
    • 1k views
  23. o2 sensor

    • 3 replies
    • 1k views
  24. exaust piping size

    • 5 replies
    • 1k views
  25. Tomorrow, the plan goes into effect.

    • 5 replies
    • 1k views
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