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2014-2019 Engine, Driveline, & Exhaust

Technical Discussion surrounding the 5th generation of small block engines, driveline, 6/8/10 speed transmissions, and slew of factory and performance exhausts.
Includes direct injection, active fuel management, and the EcoTec3 4.3L V6 (LV3), 5.3L V8 (L83), 6.2L V8 (L86), and LB8 eAssist gas engines.

2,649 topics in this forum

  1. 2015 GMC Sierra 1500 DOD Lifter Replacement

    By mamarinelli,
    • 5 replies
    • 3.3k views

  3. 100,000 Mile Spark Plugs

    By TheRiver,
    • 3 replies
    • 975 views

  4. TRANSMISSION RANGE SWITCH

    By BlkDenali6.2,
    • 0 replies
    • 544 views

  5. 2014 Silverado Transmission/Torque Converter help

    By jwoody28,
    • 4 replies
    • 1.2k views

  6. click, no start

    By josney,
    • 2 replies
    • 602 views

  7. Swapping an L86(6.2) into a 5.3 (L83)

    By Gavin Faulkner,
    • 3 replies
    • 4.6k views

  8. 2016 Silverado LT - is my transmission going? Maybe my TC?

    By InsuredByBeretta,
    • 5 replies
    • 1.5k views

  9. Service 4wd message 2017 1500 Silverado

    By Cd264,
    • 2 replies
    • 586 views

  10. Statistically, How Prevalent Are Transmission, AFM, and Lifter Issues?

    By Muley,
    • 7 replies
    • 2.3k views

  11. Headers: long tube vs shorty's

    By hordy240,
    • 2 replies
    • 1.3k views

  12. Salvaging a L86 6.2L V8

    By CadillacLuke24,
    • 14 replies
    • 4.3k views

  13. 5.3L normal idle rpm 1 2

    By roweac,
    • 23 replies
    • 81.9k views

  14. NGK Ruthenium vs AC Delco Iridium spark plugs for 5.3? 1 2 3

    By greenoliver1,
    • 31 replies
    • 19.1k views

  15. Transmission Thermostat Delete Pros vs. Cons 1 2 3 4 14

    By Eddie 70,
    • 202 replies
    • 126k views

  16. L83 DoD Delete with L86 cam questions

    By UrbanRage,
    • 4 replies
    • 3.5k views

  17. 2014 GMC Sierra 1500 5.3 with 220k miles

    By teddyb1776,
    • 14 replies
    • 3.6k views

  18. 2015 Silverado - Burning Oil (Active Fuel Management)

    By Smith035,
    • 7 replies
    • 9.9k views

  19. 2018 gmc sierra with e assit

    By kinser,
    • 2 replies
    • 778 views

  20. Trailer break system/ truck turning off

    By Jhh1210,
    • 3 replies
    • 635 views

  21. Lv3 and afm

    By WranglerMike,
    • 2 replies
    • 961 views

  22. Trans cooler

    By BS2017,
    • 3 replies
    • 733 views

  23. 07 exhaust on 14 work??

    By jeromebuchanan0323,
    • 1 reply
    • 453 views

  24. Superior STL010, Complete Flush, How to Read Fluid Level??

    By wessidedabesside,
    • 3 replies
    • 1.7k views

  25. 2015 Sierra 1500 Denali with 6.2. Bent push rod!

    By videoarizona,
    • 3 replies
    • 2.1k views

  26. Knock Sensor

    By Bush Bandit,
    • 1 reply
    • 1.9k views

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