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Turbo Grand Prix

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


2,051 topics in this forum

  1. 90 Turbo Grand Prix, I noticed redline, why does it go past redline?

    • 7 replies
    • 3.1k views
  2. subframe bolts broke on me

    • 16 replies
    • 3.1k views
  3. ABS Maintenance/Accumulator

    • 15 replies
    • 3.1k views
  4. TGP Sales Cassette??

    • 15 replies
    • 3.1k views
  5. TGP power on acceleration 1 2

    • 26 replies
    • 3.1k views
  6. Brake problems with the STE

    • 13 replies
    • 3.1k views
  7. !

    • 21 replies
    • 3.1k views
    • 27 replies
    • 3.1k views
    • 25 replies
    • 3.1k views
  8. TGP cam specs?

    • 19 replies
    • 3.1k views
    • 28 replies
    • 3.1k views
  9. Reproduction window sticker

    • 3 replies
    • 3.1k views
  10. T3 ideas (mention your turbo swap dream)

    • 14 replies
    • 3k views
  11. Forget a few important things I need..please help! Thanks.

    • 10 replies
    • 3k views
  12. New TGP Owner

    • 22 replies
    • 3k views
  13. transmissions

    • 23 replies
    • 3k views
  14. i just bought a tgp! 1 2

    • 25 replies
    • 3k views
  15. R-134a adapter for TGP low side AC fitting?

    • 7 replies
    • 3k views
  16. Sister's TGP

    • 11 replies
    • 3k views
  17. Boost at altitude

    • 11 replies
    • 3k views
  18. cold air intake on turbo pointless?

    • 7 replies
    • 3k views
  19. Battery terminals on a TGP 1 2

    • 31 replies
    • 3k views
  20. Anyone here installed a wideband o2 sensor using the stock ECM and tuning?

    • 5 replies
    • 3k views
  21. Radiators, LOL 1 2

    • 27 replies
    • 3k views
  22. TGP Fuel Pump ??

    • 20 replies
    • 3k views
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