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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. TGP gas mileage with Topgun 160 chip

    By Addicted To Boost,   
    • 9 replies
    • 1.8k views
    • krenzy
    • krenzy

  2. Talk about a deal. 90 TGP

    By 90RedTGP,   
    • 13 replies
    • 1.8k views
    • Euro
    • Euro

  3. Need TGP engine info...anyone?

    By eclipse5302,   
    • 3 replies
    • 1.8k views
    • Jeorge
    • Jeorge

  4. tgp question

    By 90moddedtgp,   
    • 19 replies
    • 1.8k views
    • TurboZ24
    • TurboZ24

  5. What should I do about my TGP??

    By skalor,   
    • 22 replies
    • 1.8k views
    • Guest
    • Guest

  6. another TGP getting 3x00 topend

    By Guest TurboSedan,   
    • 16 replies
    • 1.8k views
    • Guest
    • Guest

  7. clunk into reverse gone, but now not dropping into any gear

    By Psych0matt,   
    • 15 replies
    • 1.8k views
    • TurboGTU
    • TurboGTU

  8. TGP T.V. (kickdown) cable...same as N/A with 4T60?

    By GOT2B GM,
    • 9 replies
    • 1.8k views
    • GOT2B GM
    • GOT2B GM

  9. met a Tgp owner (sort of) in Little Italy

    By Intlcutlass,   
    • 1 reply
    • 1.8k views
    • TGPilot
    • TGPilot

  10. suspension

    By Marcus18,
    • 17 replies
    • 1.8k views
    • 92turboLE
    • 92turboLE

  11. A Few Questions

    By Jeorge,   
    • 9 replies
    • 1.8k views
    • RedZMonte
    • RedZMonte

  12. Headlight Care Tips

    By shadow,   
    • 18 replies
    • 1.8k views
    • jerry455
    • jerry455

  13. Neutral safety switch

    By GnatGoSplat,   
    • 4 replies
    • 1.8k views
    • GnatGoSplat
    • GnatGoSplat

  14. newbie: TGP help

    By TPG Greg,
    • 17 replies
    • 1.8k views
    • TPG Greg
    • TPG Greg

  15. Conflicting Info on Walbro part numbers

    By EMNCFI,   
    • 2 replies
    • 1.8k views
    • EMNCFI
    • EMNCFI

  16. BOV and IC Piping suggestions wanted

    By Bossman429,   
    • 15 replies
    • 1.8k views
    • Nick1234
    • Nick1234

  17. mclaren gfx (yes i searched)

    By Mr_Efficiency,
    • 17 replies
    • 1.8k views
    • Mr_Efficiency
    • Mr_Efficiency

  18. 3.1+turbo

    By perfecseal,   
    • 11 replies
    • 1.8k views
    • mfewtrail
    • mfewtrail

  19. List all free mods!

    By 90TGP,
    • 5 replies
    • 1.8k views
    • 90TGP
    • 90TGP

  20. 2 problems: clunk into R, and hesitation when cold

    By Psych0matt,   
    • 14 replies
    • 1.8k views
    • meltboy1
    • meltboy1

  21. Powermaster Pressure Switch Sources?

    By EMNCFI,   
    • 4 replies
    • 1.8k views
    • Garrett Powered
    • Garrett Powered

  22. Weatherstripping Woes

    By Gibby,   
    • 6 replies
    • 1.8k views
    • Leadfoot
    • Leadfoot

  23. Turbo 3.1L vs. N/A 3.1L

    By Robby1870,   
    • 4 replies
    • 1.8k views
    • Guest
    • Guest

  24. Erratic Idle Speed

    By TBRTGP,
    • 2 replies
    • 1.8k views
    • digitaloutsider
    • digitaloutsider

  25. Head Gaskets

    By RebelGT,   
    • 16 replies
    • 1.8k views
    • Guest
    • Guest
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