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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. Does anyone here own this TGP???

    • 7 replies
    • 991 views
  2. Does the Automatic transmission from a 3.4L fit on a 3.1L?

    • 13 replies
    • 1.9k views
  3. Door chime?

    • 3 replies
    • 1.6k views
  4. downpipe

    • 2 replies
    • 1.1k views
  5. downpipe flange

    • 6 replies
    • 1.7k views
  6. Downpipe/Turbo Bolt Removal

    • 5 replies
    • 1.3k views
  7. Drain tube...does it need to be a hard line?

    • 3 replies
    • 1.6k views
  8. during the rebuild- good news/bad news

    • 3 replies
    • 1k views
  9. Dyno predictions **UPDATE: results & video** 1 2

    • 42 replies
    • 4.1k views
  10. Dyno runs in the near future

    • 7 replies
    • 1k views
  11. dyno sheets and questions!

    • 5 replies
    • 1k views
  12. DYNOED MY TGP! S-AFC ?

    • 18 replies
    • 2k views
  13. Dynoed the 3.1 Turbo Wagon

    • 15 replies
    • 1.8k views
  14. Dynomax Ultra Flo mufflers

    • 4 replies
    • 1.5k views
  15. Easiest way to get at rear spark plugs?

    • 11 replies
    • 10.2k views
  16. Eastiest way to get at turbo exhaust bolt?

    • 2 replies
    • 836 views
  17. ebay turbo question ..

    • 7 replies
    • 1k views
  18. ECM question on 1990 turbo

    • 20 replies
    • 2.7k views
  19. EGR -> Wastegate solenoid wiring

    • 3 replies
    • 1.7k views
  20. EGR Delete with Kenny Hot Tune Chip??

    • 10 replies
    • 2.3k views
  21. EGR tube NEED REPLACEMENT HELP 1 2

    • 26 replies
    • 6.8k views
  22. electric system

    • 3 replies
    • 838 views
  23. Electric vacuum pump? 1 2

    • 32 replies
    • 4k views
  24. electronic question

    • 5 replies
    • 1.2k views
  25. Emission's delete question's.

    • 8 replies
    • 1.7k views
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