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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. Picture of Cross-Over

    • 2 replies
    • 987 views
  2. '

    • 1 reply
    • 986 views
  3. turbo sizing, exhaust wheel trimming

    • 5 replies
    • 985 views
  4. A few new things

    • 4 replies
    • 985 views
  5. coils??/cat converter??

    • 2 replies
    • 985 views
  6. A just got Chipped!

    • 0 replies
    • 984 views
  7. WooHoo!!! tranny problem solved!!

    • 0 replies
    • 984 views
  8. Intake Manifold Gasket Set

    • 4 replies
    • 983 views
  9. Computer board thingy under passenger seat?

    • 5 replies
    • 982 views
  10. exhuast pivot donut thing

    • 3 replies
    • 981 views
  11. Bad injectors???

    • 3 replies
    • 979 views
  12. 3.1 litre turbo 3.1 litre swap??

    • 1 reply
    • 977 views
  13. Pics of Main #3 and Lobe #10

    • 5 replies
    • 977 views
  14. Turbo question for jeff

    • 3 replies
    • 977 views
  15. Replacement Cooling Fans

    • 1 reply
    • 977 views
  16. How difficult & costly is a 5 speed swap???

    • 0 replies
    • 976 views
  17. Hey Jeff M!

    • 3 replies
    • 976 views
  18. Hmm? More Turbo questions

    • 2 replies
    • 974 views
    • 3 replies
    • 972 views
  19. input C21 on the 7727 computer

    • 2 replies
    • 971 views
  20. Hard shift from 1-2

    • 1 reply
    • 970 views
  21. Replace the Cat converter?

    • 5 replies
    • 969 views
  22. wtf? trying to check for a code..

    • 8 replies
    • 968 views
  23. Current 90 TGP STE Problem Please Read!!!

    • 3 replies
    • 966 views
  24. will normal GP tranny work??

    • 6 replies
    • 966 views
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