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Turbo Grand Prix

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


2,049 topics in this forum

  1. TGP stalling

    • 15 replies
    • 2.6k views
  2. WTB: GTP/TGP COMPLETE parts car...

    • 6 replies
    • 2.6k views
  3. ABS Accumulator Group Buy?

    • 19 replies
    • 2.6k views
  4. Brake problems with the STE

    • 13 replies
    • 2.6k views
  5. sia electronics PMIII parts

    • 13 replies
    • 2.6k views
  6. Boost loss after 2nd gear? 1 2

    • 28 replies
    • 2.6k views
  7. parting out white TSTE

    • 18 replies
    • 2.6k views
  8. My 5 Spd TGP Exhaust Video..

    • 13 replies
    • 2.6k views
  9. Radiators, LOL 1 2

    • 27 replies
    • 2.6k views
  10. Quick cat size question UPDATE: Exhaust installed, video 1 2

    • 29 replies
    • 2.6k views
  11. Tan TGP dash

    • 4 replies
    • 2.6k views
  12. *CAUTION** READ NOTICE GE 885"s!!!

    • 5 replies
    • 2.6k views
  13. 89 TGP vin decode

    • 8 replies
    • 2.6k views
    • 8 replies
    • 2.6k views
  14. Snagged a TGP model on eBay

    • 20 replies
    • 2.6k views
  15. factory boost gauge accuracy?

    • 13 replies
    • 2.6k views
  16. TGP in FLA

    • 10 replies
    • 2.6k views
  17. Intercooling Gods

    • 19 replies
    • 2.6k views
  18. Using seafoam on a tgp 1 2

    • 31 replies
    • 2.6k views
  19. Why a cooler Thermostat? 1 2

    • 26 replies
    • 2.5k views
  20. Engine Pic

    • 18 replies
    • 2.5k views
  21. New Mufflers, any recommendations? 1 2

    • 31 replies
    • 2.5k views
  22. Battery terminals on a TGP 1 2

    • 31 replies
    • 2.5k views
  23. 1990 TGP Brake problems....

    • 20 replies
    • 2.5k views
  24. Anyone here installed a wideband o2 sensor using the stock ECM and tuning?

    • 5 replies
    • 2.5k views
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