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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. Im new and i have questions 1 2 3 4

    • 78 replies
    • 8.4k views
  2. another TGP getting 3x00 topend

    • 16 replies
    • 1.9k views
  3. TGP gas mileage with Topgun 160 chip

    • 9 replies
    • 1.9k views
  4. Jeff M. TGP chips 1 2

    • 33 replies
    • 4k views
  5. fuel pump info...

    • 4 replies
    • 1.2k views
  6. Bought a TGP, got hosed?

    • 14 replies
    • 1.7k views
  7. 1.6/1 Rocker arm questions

    • 2 replies
    • 1.1k views
  8. a pillar gauge pod

    • 11 replies
    • 2.2k views
  9. air fuel ratio gages

    • 10 replies
    • 1.3k views
  10. looking for a chip

    • 7 replies
    • 1.3k views
    • 42 replies
    • 3.9k views
  11. WTB: LG5 Exhaust Manifolds

    • 19 replies
    • 3k views
  12. Need some SERIOUS HELP with my TURBO!

    • 7 replies
    • 1.2k views
  13. Lumina is running poorly.

    • 15 replies
    • 2k views
  14. new member-90 TGP

    • 14 replies
    • 1.6k views
    • 2 replies
    • 1k views
  15. I want a coupe again.

    • 14 replies
    • 1.8k views
    • 6 replies
    • 2.9k views
  16. gpt

    • 7 replies
    • 1.8k views
  17. intercoolers!?

    • 24 replies
    • 2.5k views
  18. ohm tested my injectors today....some questions

    • 18 replies
    • 2k views
  19. Thought I blew up the STE

    • 19 replies
    • 2.4k views
  20. I Think I Fried My ECM

    • 2 replies
    • 1.1k views
  21. Stock setting on waste gate for TGP?

    • 4 replies
    • 1.2k views
  22. N.O.S. TGP oil pan?

    • 4 replies
    • 1.8k views
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