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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. ;

    • 8 replies
    • 1.5k views
  2. i need a WORKING memcal for a 90 tgp!

    • 0 replies
    • 1.5k views
  3. Manifold Air Temp Coolant Temp sensors

    • 2 replies
    • 1.5k views
  4. wastegate actuator

    • 1 reply
    • 1.5k views
  5. Sunshine back up on the block (FS)

    • 13 replies
    • 1.5k views
  6. Crossover again

    • 1 reply
    • 1.5k views
  7. FINALLY the TGP is fixed!

    • 9 replies
    • 1.5k views
  8. spark plug/head gasket suggestions?

    • 6 replies
    • 1.5k views
  9. upgrading turbos

    • 5 replies
    • 1.5k views
  10. where to find coil overs?

    • 3 replies
    • 1.5k views
  11. I didn't want to hijack a thread: Accel Coils

    • 11 replies
    • 1.5k views
  12. Spark plug blew out of head?!?!

    • 7 replies
    • 1.5k views
  13. Who wants a TGP?

    • 8 replies
    • 1.5k views
  14. Article on TGP

    • 11 replies
    • 1.5k views
  15. Manual Boost Controllers

    • 0 replies
    • 1.5k views
  16. Primary cooling fan died

    • 5 replies
    • 1.5k views
  17. Need some PMIII advice please.

    • 9 replies
    • 1.5k views
  18. Hard downshift, rough acceleration

    • 7 replies
    • 1.5k views
  19. TGP twice stated in latest Pontiac Enthusiast Magazine

    • 8 replies
    • 1.5k views
  20. fuel pump help

    • 10 replies
    • 1.5k views
  21. what rpm do you shift at WOT?

    • 12 replies
    • 1.5k views
  22. Seat Covers

    • 9 replies
    • 1.5k views
  23. swap questions

    • 7 replies
    • 1.5k views
  24. SBC rods and roller rockers

    • 5 replies
    • 1.5k views
  25. How much hp from P&P the heads??

    • 0 replies
    • 1.5k views
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