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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. oil, what does this mean?

    • 15 replies
    • 1.9k views
  2. FINAL POSTER UPDATE

    • 0 replies
    • 955 views
  3. 1/4 mile times and stock boost?

    • 7 replies
    • 1.8k views
  4. Changed my Trans Filter today.

    • 3 replies
    • 1.2k views
  5. How much heat...

    • 5 replies
    • 1.1k views
  6. A Few Questions

    • 9 replies
    • 1.8k views
  7. ABS front enable relay

    • 0 replies
    • 1.1k views
  8. Aftermarket gauge questions

    • 1 reply
    • 1.1k views
  9. DYNOED MY TGP! S-AFC ?

    • 18 replies
    • 2.1k views
  10. Hard shift from 1-2

    • 1 reply
    • 970 views
  11. Boost guage misteriously started working :) 1 2

    • 28 replies
    • 2.9k views
  12. I hate FWD!!!

    • 7 replies
    • 1.4k views
  13. UPDATE ON POSTERS,

    • 0 replies
    • 1.1k views
  14. Coolant drain plug

    • 9 replies
    • 1.4k views
  15. Cruse Controle doesn't work

    • 4 replies
    • 1.1k views
  16. New Found Power!

    • 7 replies
    • 1.4k views
  17. My TGP' speedometer is off!

    • 2 replies
    • 1.3k views
  18. 2.5" Mandrel Downpipe!

    • 0 replies
    • 1.1k views
  19. Custom Crossover thoughts?

    • 11 replies
    • 1.6k views
  20. Looking for sensor parts numbers.

    • 0 replies
    • 918 views
  21. Full Height Spare Tire?

    • 4 replies
    • 1.1k views
  22. Lowering TGP?

    • 5 replies
    • 6.1k views
  23. Latest info on my TGP

    • 4 replies
    • 1.1k views
  24. Anyone ever install a Turbo Timer?

    • 4 replies
    • 1.1k views
  25. header wrap and o2 sensor

    • 4 replies
    • 1.9k views
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