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Turbo Grand Prix

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


2,047 topics in this forum

  1. Stock Performance Specs

    • 4 replies
    • 1.6k views
  2. PM III problems - accumulator or pressure switch?

    • 5 replies
    • 1.6k views
  3. .................

    • 9 replies
    • 1.6k views
  4. NOT AGAIN!!!!

    • 3 replies
    • 1.6k views
  5. Which spark plugs should I get??

    • 1 reply
    • 1.6k views
  6. What is a good tubo for my application?

    • 10 replies
    • 1.6k views
  7. Color combos

    • 12 replies
    • 1.6k views
  8. EGR -> Wastegate solenoid wiring

    • 3 replies
    • 1.5k views
  9. Turbo

    • 13 replies
    • 1.5k views
  10. Radiator problem

    • 7 replies
    • 1.5k views
  11. 1989 Turbo GP Service Supplement on ebay. 2-12-06 ****SOLD

    • 14 replies
    • 1.5k views
  12. My kind of art

    • 11 replies
    • 1.5k views
  13. What If.........

    • 11 replies
    • 1.5k views
  14. Help me

    • 11 replies
    • 1.5k views
  15. 3-stage boost control?

    • 12 replies
    • 1.5k views
  16. Boost at altitude

    • 11 replies
    • 1.5k views
  17. What kind of spark plug to put in TGP???

    • 17 replies
    • 1.5k views
  18. Custom TGP exhaust - the beginnings

    • 14 replies
    • 1.5k views
  19. TGP Tune up

    • 5 replies
    • 1.5k views
  20. Idle Problems

    • 6 replies
    • 1.5k views
  21. Complete turbo kit plus some

    • 7 replies
    • 1.5k views
  22. 89 to 91 HUD

    • 13 replies
    • 1.5k views
  23. Car feels almost F-ing brand new!

    • 7 replies
    • 1.5k views
    • 10 replies
    • 1.5k views
  24. Need a turbo

    • 5 replies
    • 1.5k views
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