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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. Turbo Grand Prix for sale

    • 24 replies
    • 2.4k views
  2. parting out white TSTE

    • 18 replies
    • 2.4k views
  3. Intercooling Gods

    • 19 replies
    • 2.4k views
  4. My New Turbo Wahoo! 1 2

    • 27 replies
    • 2.4k views
  5. where to order FUEL LINE or Repair

    • 6 replies
    • 2.4k views
  6. 90 Turbo Grand Prix, I noticed redline, why does it go past redline?

    • 7 replies
    • 2.4k views
  7. Jeffs Rebuilt Crossover Pipes?????

    • 12 replies
    • 2.3k views
  8. Engine Pic

    • 18 replies
    • 2.3k views
  9. ALDL Scanning software

    • 6 replies
    • 2.3k views
  10. TSTE won't stay running unless my foot is on the gas!?!?

    • 10 replies
    • 2.3k views
  11. Radiators, LOL 1 2

    • 27 replies
    • 2.3k views
  12. Need the years for these TGP codes

    • 22 replies
    • 2.3k views
  13. '

    • 23 replies
    • 2.3k views
  14. Brake Accumulator

    • 4 replies
    • 2.3k views
  15. Hitting fuel cut more and more often....possibly ignition? 1 2

    • 37 replies
    • 2.3k views
  16. Top Gun 160 Chip Owners _ Look here!

    • 16 replies
    • 2.3k views
  17. Anyone here installed a wideband o2 sensor using the stock ECM and tuning?

    • 5 replies
    • 2.3k views
  18. Brake pedal drawing too much current.

    • 12 replies
    • 2.3k views
  19. Quick cat size question UPDATE: Exhaust installed, video 1 2

    • 29 replies
    • 2.3k views
  20. Brake problems with the STE

    • 13 replies
    • 2.3k views
  21. factory boost gauge accuracy?

    • 13 replies
    • 2.3k views
  22. Exhaust Manifolds...TGP

    • 18 replies
    • 2.3k views
  23. Looking to turbo my 96 GP 3.1...need help

    • 13 replies
    • 2.3k views
    • 27 replies
    • 2.3k views
  24. Boost loss after 2nd gear? 1 2

    • 28 replies
    • 2.3k views
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