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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. TGP vs Honda Civic CSI

    By tgpguy21,   
    • 1 reply
    • 3.8k views
    • 90TGP
    • 90TGP

  2. 3.1 Turbo Cavalier conversion EPROM Question

    By BillHarrison,   
    • 22 replies
    • 3.8k views
    • Chris88CL
    • Chris88CL

  3. Just a brainstorm 3.4 vs. 3.5 or new 3.9

    By Shifter23,   
    • 10 replies
    • 3.8k views
    • Mach 5
    • Mach 5

  4. Alright. Carnage pics. edit: pulled the head.. new pics 1 2

    By Guest,   
    • 31 replies
    • 3.8k views
    • no1kicker
    • no1kicker

  5. Tires? 215/60's, 225/60's or 245/50's

    By Jeorge,   
    • 15 replies
    • 3.8k views
    • 1trucavalier
    • 1trucavalier

  6. Barn find, bad brakes, what am I getting myself into?

    By katie,
    • 10 replies
    • 3.8k views
    • SuperBuick
    • SuperBuick

  7. Help 1 2

    By RareGMlover89,   
    • 33 replies
    • 3.8k views
    • Garrett Powered
    • Garrett Powered

  8. 5 speed TGP video 1 2

    By skalor,   
    • 39 replies
    • 3.8k views
    • Aaron
    • Aaron

  9. TGP BBQ

    By ManicMechanic,   
    • 20 replies
    • 3.8k views
    • AL
    • AL

  10. TGP No crank, No start, No ALDL data

    By rich_e777,
    • 3 replies
    • 3.7k views
    • rich_e777
    • rich_e777

  11. What weight of oil does everyone use?

    By Bossman429,   
    • 12 replies
    • 3.7k views
    • Jcrow
    • Jcrow

  12. PMIII parts availability

    By Gibby,   
    • 12 replies
    • 3.7k views
    • movielover40
    • movielover40

  13. Fog Lamp Bulb Upgrade?

    By The Burning Rom,
    • 10 replies
    • 3.7k views
    • Garrett Powered
    • Garrett Powered

  14. 1990 5-Speed TGP FOR SALE!! SOLD!!! 1 2

    By TGPilot,   
    • 29 replies
    • 3.7k views
    • TGPilot
    • TGPilot

  15. Ok, don't shoot me, seriously considering swapping TSTE..... 1 2

    By dbtk2,   
    • 34 replies
    • 3.7k views
    • z284pwr
    • z284pwr

  16. SHE'S ALIVE!!! 1 2 3

    By dbtk2,   
    • 53 replies
    • 3.7k views
    • jeremy
    • jeremy

  17. MY TGP progress thread UPDATE - ON THE ROAD! 1 2

    By patgizz,
    • 35 replies
    • 3.7k views
    • 90TGP
    • 90TGP

  18. Tech1 Cartridge For Powermaster III?

    By The Burning Rom,
    • 10 replies
    • 3.7k views
    • GOT2B GM
    • GOT2B GM

  19. So now im really screwed 1 2

    By Addicted2bass,   
    • 31 replies
    • 3.6k views
    • Addicted2bass
    • Addicted2bass

  20. Jeff where the hell are you. 1 2

    By SleeperRed90TGp,
    • 30 replies
    • 3.6k views
    • Garrett Powered
    • Garrett Powered

  21. teaser pic of some progress to my TGP... 1 2

    By 92 GP,   
    • 35 replies
    • 3.6k views
    • slick
    • slick

  22. few problems 1 2

    By mindgame,   
    • 38 replies
    • 3.6k views
    • Garrett Powered
    • Garrett Powered

  23. $8f tuning. boost values

    By jman093,
    • 6 replies
    • 3.6k views
    • RobertISaar
    • RobertISaar

  24. Question for those with aftermarket boost gauges 1 2

    By z284pwr,   
    • 31 replies
    • 3.6k views
    • z284pwr
    • z284pwr

  25. I Will No Longer Be Visiting W-body 1 2

    By TGPilot,   
    • 26 replies
    • 3.6k views
    • god910
    • god910
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