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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.

2,612 topics in this forum

  1. 07 exhaust on 14 work??

    By jeromebuchanan0323,
    • 1 reply
    • 379 views

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

    By wessidedabesside,
    • 3 replies
    • 985 views

  4. 2015 Sierra 1500 Denali with 6.2. Bent push rod!

    By videoarizona,
    • 3 replies
    • 1.3k views

  5. Knock Sensor

    By Bush Bandit,
    • 1 reply
    • 1.1k views

  6. Stabilitrak

    By Chevythunder2014,
    • 3 replies
    • 693 views

  7. Differences between 5CKA & 7CKA 6L80s

    By David Rinn,
    • 1 reply
    • 2.7k views

  8. Fuel Tank Filler Neck Bolts

    By Tyler Breazeale,
    • 4 replies
    • 8.3k views

  9. 8 Speed Changed Fluid and Temperature Sensor - Now No 4th or 5th Gear

    By sturge33,
    • 1 reply
    • 654 views

  10. Free Spin kit for IFS

    By tooch420,
    • 0 replies
    • 548 views

  11. Clunk/Pop on Acceleration and Stop

    By ECFR1963,
    • 1 reply
    • 696 views

  12. 2014 Silverado 4.3 RPM fluctuating while coasting 35-40mph

    By starzky,
    • 1 reply
    • 567 views

  13. 2014 chevy Silverado winding sound at 45-55 mph only when on throttle

    By Jeriah,   
    • 0 replies
    • 856 views

  14. high pressure fuel pump unobtainium

    By Jay Sparks,
    • 6 replies
    • 2.4k views

  15. How would vlom solenoid cause lifter failure if afm is turned off with tune 1 2

    By Payton34,
    • 15 replies
    • 14.5k views

  16. HP Tuner and tuning the 6.2 L and 6LE80

    By 72dan,
    • 3 replies
    • 2k views

  17. No response from GM Rep

    By Soucano,
    • 6 replies
    • 951 views

  18. Is This Tire Wear Normal? 1 2 3

    By BlaineBug,
    • 31 replies
    • 2.5k views

  19. Servicing transmission on 2017 2500HD 4WD w/6.0 gas motor

    By T_ClarkEx39,
    • 12 replies
    • 799 views

  20. Beach Truck

    By 16LT4,
    • 0 replies
    • 551 views

  21. 2019 Sierra Limited Leaf Spring Leafs Do not Line Up (& Clunking Noise)

    By GMP19,
    • 7 replies
    • 1k views

  22. Torque Specs

    By m980,
    • 3 replies
    • 1.7k views

  23. 4WD grinding sound when engaged

    By TheLastBaron,
    • 2 replies
    • 593 views

  24. Rear end measurement

    By Justin Hodges,
    • 0 replies
    • 480 views

  25. 6L80 6-speed with new TBV 70 running hot

    By 161500WT,
    • 10 replies
    • 1.9k views

  26. Opinions on aftermarket transmissions

    By Michael Irby,
    • 2 replies
    • 972 views


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