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Turbo Grand Prix

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


2,050 topics in this forum

  1. Using seafoam on a tgp 1 2

    • 31 replies
    • 2.7k views
  2. hey turbo guys, can you ID this ?

    • 14 replies
    • 2.7k views
  3. 4-wire O2 sensor part#?

    • 22 replies
    • 2.7k views
  4. !

    • 21 replies
    • 2.7k views
  5. Quick cat size question UPDATE: Exhaust installed, video 1 2

    • 29 replies
    • 2.7k views
  6. Battery terminals on a TGP 1 2

    • 31 replies
    • 2.7k views
  7. WTB: GTP/TGP COMPLETE parts car...

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

    • 19 replies
    • 2.6k views
  9. G.I. 39K mile 1989 TGP

    • 16 replies
    • 2.6k views
  10. grand prix 1990 turbo Mclaren

    • 18 replies
    • 2.6k views
  11. Radiators, LOL 1 2

    • 27 replies
    • 2.6k views
  12. TGP stalling

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

    • 8 replies
    • 2.6k views
  14. Boost loss after 2nd gear? 1 2

    • 28 replies
    • 2.6k views
  15. sia electronics PMIII parts

    • 13 replies
    • 2.6k views
    • 8 replies
    • 2.6k views
  16. factory boost gauge accuracy?

    • 13 replies
    • 2.6k views
  17. TGP power on acceleration 1 2

    • 26 replies
    • 2.6k views
  18. TGP in FLA

    • 10 replies
    • 2.6k views
    • 28 replies
    • 2.6k views
  19. My 5 Spd TGP Exhaust Video..

    • 13 replies
    • 2.6k views
  20. 1990 TGP Brake problems....

    • 20 replies
    • 2.6k views
  21. Why a cooler Thermostat? 1 2

    • 26 replies
    • 2.6k views
  22. *CAUTION** READ NOTICE GE 885"s!!!

    • 5 replies
    • 2.6k views
  23. Snagged a TGP model on eBay

    • 20 replies
    • 2.6k views
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