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  1. 60DegreeV6.com   (53,049 visits to this link)

10,734 topics in this forum

  1. 4t60e

    By ripp,   
    • 0 replies
    • 12.1k views
    • ripp
    • ripp

  2. 1994 Cutlass Ciera 3.1L 84k miles

    By Beau,
    • 23 replies
    • 12.1k views
    • Beau
    • Beau

  3. Carb 3.1 1 2

    By Clayton75c,
    • 33 replies
    • 12k views
    • 96montecarloz31
    • 96montecarloz31

  4. Shortbus 4T65-E

    By Night Fury,   
    • 9 replies
    • 12k views
    • Night Fury
    • Night Fury

  5. ZZP U Bend Delete Pipe 1 2

    By runt,   
    • 39 replies
    • 12k views
    • runt
    • runt

  6. '89 Grand Prix 3.1 - Need Help Please... 1 2 3

    By Toxie,
    • 52 replies
    • 12k views
    • Garrett Powered
    • Garrett Powered

  7. later metal upper intake manifold compatibility w/earlier 3800s

    By worb4me,
    • 22 replies
    • 12k views
    • White93z34
    • White93z34

  8. Coolant Elbow Leak. Formerly L36 to L67 Conversion Questions 1 2

    By Timm,
    • 44 replies
    • 12k views
    • Timm
    • Timm

  9. What can I swap into my '89 Grand Prix MEGATHREAD 1 2 3

    By 1989 Pontiac Se,
    • 53 replies
    • 12k views
    • Imp558
    • Imp558

  10. GM agrees to cover 3100 3400 3800 S II and 4.3 Intake seals 1 2 3

    By IRONDOG442,   
    • 69 replies
    • 11.9k views
    • Canada
    • Canada

  11. Green vs. Dex-Cool 1 2

    By Redfox340,   
    • 25 replies
    • 11.9k views
    • paulo57509
    • paulo57509

  12. My new Semi High Performance na 3.1 Build -!Engine Done- Car is running! 1 2 3 4 6

    By Mach 5,   
    • 129 replies
    • 11.9k views
    • Mach 5
    • Mach 5

  13. Coolant leak from "Pipe To intake manifold"

    By genEus,   
    • 18 replies
    • 11.9k views
    • Brian P
    • Brian P

  14. 92 Lumina Euro 3.4 issues.... 1 2 3 4 5

    By havikx,   
    • 102 replies
    • 11.8k views
    • White93z34
    • White93z34

  15. Swapping the SII Heads onto the SI 3800-INFO-not 56K safe...

    By Turbocharged400sbc,
    • 22 replies
    • 11.7k views
    • Turbocharged400sbc
    • Turbocharged400sbc

  16. Carkhz316's Topswap Thread: IT RUNS pg5 1 2 3 4 5

    By carkhz316,
    • 106 replies
    • 11.7k views
    • carkhz316
    • carkhz316

  17. Cutting access panel in trunk floor to change fuel pump.

    By Hippie,   
    • 15 replies
    • 11.6k views
    • Regal_GS_1989
    • Regal_GS_1989

  18. Transmission Mount

    By scorpion_x9,   
    • 1 reply
    • 11.6k views
    • mihela816
    • mihela816

  19. Strange whining when accelerating

    By Vampyre73,   
    • 11 replies
    • 11.5k views
    • DaveFromColorado
    • DaveFromColorado

  20. 3.4 vs 3400 1 2 3 4

    By Black Adam,   
    • 91 replies
    • 11.5k views
    • Black Adam
    • Black Adam

  21. Oxygen Sensors, interchangeable?

    By Jprice90,   
    • 18 replies
    • 11.4k views
    • ManicMechanic
    • ManicMechanic

  22. Gutting out a catalytic converter.

    By itsdave,   
    • 15 replies
    • 11.4k views
    • itsdave
    • itsdave

  23. Grim diagnosis; 2006 Monte Carlo LT, 150K; Fully stripped pics pg 7!! 1 2 3 4 6

    By Night Fury,   
    • 138 replies
    • 11.4k views
    • Brian P
    • Brian P

  24. Transmission fluid change question

    By cubsfan24,   
    • 20 replies
    • 11.3k views
    • LUMINATOR
    • LUMINATOR

  25. Shaking on moderate-heavy acceleration

    By Night Fury,   
    • 23 replies
    • 11.3k views
    • Addicted to eaton
    • Addicted to eaton
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