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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. spark plug/head gasket suggestions?

    • 6 replies
    • 1.4k views
  2. why i think alot less 1989 TGP's were made

    • 7 replies
    • 1.4k views
  3. where to find coil overs?

    • 3 replies
    • 1.4k views
  4. SES light

    • 3 replies
    • 1.4k views
  5. FINALLY the TGP is fixed!

    • 9 replies
    • 1.4k views
  6. Last hour on this TGP parts car

    • 3 replies
    • 1.4k views
  7. wastegate actuator

    • 1 reply
    • 1.4k views
  8. Im Boosted *UPDATED*

    • 12 replies
    • 1.4k views
  9. Hard downshift, rough acceleration

    • 7 replies
    • 1.4k views
  10. upgrading turbos

    • 5 replies
    • 1.4k views
  11. Primary cooling fan died

    • 5 replies
    • 1.4k views
  12. Article on TGP

    • 11 replies
    • 1.4k views
  13. Grand Prix Turbo Parts

    • 6 replies
    • 1.4k views
  14. Manual Boost Controllers

    • 0 replies
    • 1.4k views
  15. Another TSTE with 5 spokes??? It won't be long!!!

    • 9 replies
    • 1.4k views
  16. just tuned her up and now other old parts acting up?

    • 11 replies
    • 1.4k views
  17. Who here is running a 284 in their TGP?

    • 10 replies
    • 1.4k views
  18. How much hp from P&P the heads??

    • 0 replies
    • 1.4k views
  19. I didn't want to hijack a thread: Accel Coils

    • 11 replies
    • 1.4k views
  20. FS: 1990 TGP Black on Tan

    • 9 replies
    • 1.4k views
  21. swap questions

    • 7 replies
    • 1.4k views
  22. Is this normal???

    • 11 replies
    • 1.4k views
  23. ;

    • 8 replies
    • 1.4k views
  24. Lookin into a 90 TGP...any thoughts?

    • 9 replies
    • 1.4k views
  25. .....RIP trans.......

    • 6 replies
    • 1.4k views
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