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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 4.3 to 6.2 swap (l86)/8l90e issues 1 2

    By B M,   
    • 15 replies
    • 9.3k views

  3. Recommended Octane grade 1 2

    By VinceS,
    • 15 replies
    • 2.7k views

  4. Whipple vs. Procharger & Other Poll 1 2 3 4

    By jogutier,
    • 50 replies
    • 27.8k views

  5. black bear tune on a 17 1 2 3

    By speedracer2536,
    • 35 replies
    • 23.3k views

  6. L86 6.2 Intake Cover Removal - Why?

    By Daniel Lucas,
    • 1 reply
    • 2.3k views

  7. Clunk when almost stopped.

    By Donstar,
    • 14 replies
    • 2.8k views

  8. 8 spd full flush and filter change recommendation, pricing, TSB#, 2016 1 2 3

    By DeathByNissan55,   
    • 38 replies
    • 29.2k views

  9. Thoughts on this "Stage 1" before adding Whipple during "Stage 2"

    By ralphsmithiii,
    • 8 replies
    • 1.5k views

  10. Cab and chassis dual fuel tank

    By Ericoli931,
    • 5 replies
    • 12.1k views

  11. 6 Speed vs 8 Speed Reliability 1 2 3

    By SilveradoCustom,
    • 34 replies
    • 77.1k views

  12. 2016 bds steering stabilzer bracket install

    By Rich Ryan,
    • 1 reply
    • 364 views

  13. Intake Valves Cleaning Procedure

    By SARNCAN,
    • 10 replies
    • 11.6k views

  14. Exhaust flapper valve on 2019+

    By SquireSCA,
    • 1 reply
    • 394 views

  15. 180 Thermostat Results (With Towing Data) 1 2 3 4 7

    By Jon A,
    • 97 replies
    • 42.4k views

  16. Looking for vss and or speedometer wire for speed

    By Eric Grenier,
    • 5 replies
    • 406 views

  17. Side exit exhaust pics wanted

    By mitchely03,
    • 12 replies
    • 7.9k views

  18. Gas station selling 93 but not 93 1 2

    By truckguy82,
    • 19 replies
    • 1.3k views

  19. Headers/cats question 1 2

    By Jared Walters,
    • 23 replies
    • 7.1k views

  20. traction bars , stealthiest looking

    By flyingfool,
    • 12 replies
    • 4.8k views

  21. Difference between GM's performance CAI's for the 2019 6.2L- 2 PN's now 1 2

    By SierraStorm21,
    • 21 replies
    • 7.6k views

  22. 2015 5.3L 3.42 Axle Ratio; Travel Trailer Max Tow Weight? 1 2

    By EddieK82,
    • 15 replies
    • 10.3k views

  23. Procharger Install on 2018 6.2L 1 2 3

    By JDNairn6.2L,
    • 33 replies
    • 8.4k views

  24. 2019 Silverado trans fittings

    By Mel Rich,
    • 1 reply
    • 312 views

  25. Pedal Commander worth it? 1 2

    By Crimson6.2L,
    • 17 replies
    • 37.3k views

  26. Engine Air Leak from PCV Tube

    By Retired Bob,
    • 1 reply
    • 2.6k views


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