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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. Started her up today..

    • 7 replies
    • 1.1k views
  2. T25 Rebuild Kit on ebay

    • 4 replies
    • 1k views
  3. Jud's 3400 top end swap discussion

    • 14 replies
    • 1.8k views
  4. blow off valve

    • 8 replies
    • 1.1k views
    • 2 replies
    • 882 views
  5. Need some help on Id of 4t60 Tranny

    • 13 replies
    • 1.6k views
  6. Extensive test of Accelerometers

    • 6 replies
    • 1.1k views
  7. Top-end

    • 13 replies
    • 1.5k views
  8. Entire TGP motor rebuilt 80k

    • 3 replies
    • 883 views
  9. LG5 shortblock rebuild prices (machine work only)

    • 6 replies
    • 968 views
  10. tgp meet

    • 4 replies
    • 1.3k views
  11. Running 15psi on stock turbo?

    • 5 replies
    • 1.1k views
  12. TGP/TSTE Radiator 4 Sale eBay till 4/05-St Louis MO Area

    • 2 replies
    • 884 views
  13. Full vacumm line diagram?

    • 6 replies
    • 1.1k views
  14. Spearco Core I/C upgrade

    • 9 replies
    • 1.1k views
  15. tranny

    • 8 replies
    • 1.2k views
  16. Cleaning the turbo

    • 2 replies
    • 926 views
  17. looking to gauge cluster

    • 2 replies
    • 1.1k views
  18. pics of my 5-speed turbo support bracket

    • 3 replies
    • 1k views
  19. hey turbo guys, can you ID this ?

    • 14 replies
    • 2.6k views
  20. Computer chip for a 3.1L turbo

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

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

    • 8 replies
    • 1.3k views
  23. Tell Me What U Think... 89 Turbo Grand Prix 1 2 3

    • 62 replies
    • 8.3k views
  24. FS: 1990 TGP Black on Tan

    • 9 replies
    • 1.4k views
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