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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. sia electronics PMIII parts

    • 13 replies
    • 3k views
  2. fender flares

    • 8 replies
    • 3k views
  3. 1990 TGP Brake problems....

    • 20 replies
    • 3k views
  4. Why a cooler Thermostat? 1 2

    • 26 replies
    • 3k views
  5. Premium gas?

    • 16 replies
    • 3k views
  6. Looking for Jeff M.

    • 18 replies
    • 3k views
    • 6 replies
    • 3k views
  7. Digital Dash

    • 16 replies
    • 3k views
    • 6 replies
    • 3k views
  8. Quick cat size question UPDATE: Exhaust installed, video 1 2

    • 29 replies
    • 3k views
  9. Turbo Grand Prix for sale

    • 24 replies
    • 3k views
  10. factory boost gauge accuracy?

    • 13 replies
    • 3k views
  11. '

    • 23 replies
    • 3k views
  12. Top Gun 160 Chip Owners _ Look here!

    • 16 replies
    • 3k views
  13. 90 Turbo GP - OEM sunroof weatherstrip

    • 7 replies
    • 3k views
  14. ABS Accumulator Group Buy?

    • 19 replies
    • 3k views
  15. parting out white TSTE

    • 18 replies
    • 2.9k views
  16. 4-wire O2 sensor part#?

    • 22 replies
    • 2.9k views
  17. TGPforums.com Problems

    • 23 replies
    • 2.9k views
  18. Boost loss after 2nd gear? 1 2

    • 28 replies
    • 2.9k views
  19. hey turbo guys, can you ID this ?

    • 14 replies
    • 2.9k views
  20. new tgp owner 1 2

    • 26 replies
    • 2.9k views
  21. G.I. 39K mile 1989 TGP

    • 16 replies
    • 2.9k views
  22. Brake Accumulator

    • 4 replies
    • 2.9k views
  23. New Mufflers, any recommendations? 1 2

    • 31 replies
    • 2.9k views
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