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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. Spearco Core I/C upgrade

    • 9 replies
    • 1.1k views
  2. Computer chip for a 3.1L turbo

    • 16 replies
    • 2k views
  3. Need Wiring Diagram of Electrical !! FIXED !!

    • 18 replies
    • 1.9k views
  4. turbo GP badges

    • 8 replies
    • 1.3k views
  5. FS: 1990 TGP Black on Tan

    • 9 replies
    • 1.4k views
  6. TGP red paint code needed

    • 3 replies
    • 1k views
  7. Full vacumm line diagram?

    • 6 replies
    • 1.1k views
  8. what is minimum boost on a TGP?

    • 4 replies
    • 1k views
    • 27 replies
    • 2.9k views
  9. Crank, but no start 1 2

    • 32 replies
    • 3.2k views
  10. TCC sticking?

    • 5 replies
    • 1.1k views
  11. pic request - TGP wastegate solenoid

    • 4 replies
    • 1.1k views
  12. Leaky proportioning valve

    • 6 replies
    • 1.9k views
  13. looking to gauge cluster

    • 2 replies
    • 1.1k views
  14. Finally got some new struts!!

    • 1 reply
    • 1.6k views
  15. Tell Me What U Think... 89 Turbo Grand Prix 1 2 3

    • 62 replies
    • 8.3k views
  16. need TGP oil cooler/filter adapter O-rings!

    • 5 replies
    • 891 views
  17. what's the difference - Melling 95HV oil pump and....

    • 4 replies
    • 1k views
  18. boosting problem (kinda long) 1 2

    • 31 replies
    • 3.4k views
  19. Can anyone get some pics...

    • 13 replies
    • 1.5k views
  20. TPS parts number?

    • 3 replies
    • 991 views
  21. ABS Accumulator Group Buy?

    • 19 replies
    • 2.6k views
  22. what are these wires for??

    • 8 replies
    • 1.5k views
  23. TGP EGR mount different?

    • 12 replies
    • 1.4k views
  24. Short speedo vid(no sound unfortunately) ~20-112mph 1 2

    • 30 replies
    • 2.9k views
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