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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. Radiators, LOL 1 2

    • 27 replies
    • 2.9k views
  2. Quick cat size question UPDATE: Exhaust installed, video 1 2

    • 29 replies
    • 2.9k views
    • 28 replies
    • 2.9k views
  3. Boost at altitude

    • 11 replies
    • 2.9k views
  4. Digital Dash

    • 16 replies
    • 2.9k views
  5. Looking for Jeff M.

    • 18 replies
    • 2.9k views
  6. Why a cooler Thermostat? 1 2

    • 26 replies
    • 2.9k views
  7. Turbo Performance Question

    • 13 replies
    • 2.9k views
  8. TGPforums.com Problems

    • 23 replies
    • 2.9k views
  9. Sister's TGP

    • 11 replies
    • 2.9k views
  10. 90 Turbo GP - OEM sunroof weatherstrip

    • 7 replies
    • 2.9k views
  11. Boost loss after 2nd gear? 1 2

    • 28 replies
    • 2.9k views
  12. 4-wire O2 sensor part#?

    • 22 replies
    • 2.9k views
    • 6 replies
    • 2.9k views
  13. WTB: GTP/TGP COMPLETE parts car...

    • 6 replies
    • 2.8k views
  14. dkorinko's TGP pics(supra TT intercooler setup)and more!!!!!

    • 21 replies
    • 2.8k views
  15. I just bought a 90 tgp and dont know much about em yet. 1 2

    • 28 replies
    • 2.8k views
  16. Brake Accumulator

    • 4 replies
    • 2.8k views
  17. factory boost gauge accuracy?

    • 13 replies
    • 2.8k views
  18. ABS Accumulator Group Buy?

    • 19 replies
    • 2.8k views
  19. '

    • 23 replies
    • 2.8k views
  20. G.I. 39K mile 1989 TGP

    • 16 replies
    • 2.8k views
  21. TGP stalling

    • 15 replies
    • 2.8k views
  22. parting out white TSTE

    • 18 replies
    • 2.8k views
  23. Need the years for these TGP codes

    • 22 replies
    • 2.8k views
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