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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. IC couplers and clamps

    • 9 replies
    • 1.1k views
  2. IC questions

    • 14 replies
    • 1.6k views
  3. Identification numbers

    • 2 replies
    • 863 views
  4. Idle Problems

    • 6 replies
    • 1.6k views
  5. If your interested in cheap power increase read on. . .

    • 9 replies
    • 1.3k views
  6. Ignition mudule

    • 3 replies
    • 1.5k views
  7. Illinois Emissions

    • 2 replies
    • 921 views
  8. Im Boosted *UPDATED*

    • 12 replies
    • 1.3k views
  9. Im new and i have questions 1 2 3 4

    • 78 replies
    • 7.9k views
  10. Inaccurate tach & speedo

    • 23 replies
    • 6.2k views
  11. Info about the stock TGP spark table...

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

    • 27 replies
    • 5.6k views
  13. Injector Testing

    • 13 replies
    • 2.7k views
  14. Injectors

    • 0 replies
    • 1.3k views
  15. Injectors

    • 18 replies
    • 2.1k views
  16. injectors?

    • 2 replies
    • 1k views
  17. input C21 on the 7727 computer

    • 2 replies
    • 921 views
  18. Intake Manifold Gasket Set

    • 4 replies
    • 930 views
  19. Intercooler pics

    • 24 replies
    • 2.4k views
  20. Intercooler pipe question

    • 1 reply
    • 967 views
  21. intercooler piping

    • 7 replies
    • 1k views
  22. Intercooler Pressure Drop Info

    • 0 replies
    • 854 views
  23. intercooler upgrade

    • 8 replies
    • 1.5k views
  24. intercoolers!?

    • 24 replies
    • 2.3k views
  25. Intercooling Gods

    • 19 replies
    • 2.5k views
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