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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. IAC unplugged no idle change

    • 22 replies
    • 4.9k views
  2. IC couplers and clamps

    • 9 replies
    • 1.1k views
  3. IC questions

    • 14 replies
    • 1.7k views
  4. Identification numbers

    • 2 replies
    • 908 views
  5. Idle Problems

    • 6 replies
    • 1.7k views
  6. If your interested in cheap power increase read on. . .

    • 9 replies
    • 1.3k views
  7. Ignition mudule

    • 3 replies
    • 1.5k views
  8. Illinois Emissions

    • 2 replies
    • 963 views
  9. Im Boosted *UPDATED*

    • 12 replies
    • 1.4k views
  10. Im new and i have questions 1 2 3 4

    • 78 replies
    • 8.1k views
  11. Inaccurate tach & speedo

    • 23 replies
    • 6.3k views
  12. Info about the stock TGP spark table...

    • 10 replies
    • 1.7k views
  13. Info and advise needed 1 2

    • 27 replies
    • 5.8k views
  14. Injector Testing

    • 13 replies
    • 2.8k views
  15. Injectors

    • 0 replies
    • 1.4k views
  16. Injectors

    • 18 replies
    • 2.2k views
  17. injectors?

    • 2 replies
    • 1.1k views
  18. input C21 on the 7727 computer

    • 2 replies
    • 948 views
  19. Intake Manifold Gasket Set

    • 4 replies
    • 963 views
  20. Intercooler pics

    • 24 replies
    • 2.5k views
  21. Intercooler pipe question

    • 1 reply
    • 1k views
  22. intercooler piping

    • 7 replies
    • 1.1k views
  23. Intercooler Pressure Drop Info

    • 0 replies
    • 891 views
  24. intercooler upgrade

    • 8 replies
    • 1.6k views
  25. intercoolers!?

    • 24 replies
    • 2.4k views
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