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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.

2,615 topics in this forum

  1. Replace my own rear pinion seal?

    By handyman58,
    • 7 replies
    • 3.5k views

  3. GM Performance Exhaust Muffler

    By shakenfake,
    • 13 replies
    • 2.1k views

  4. Leveling Kit - Upper Strut Spacers Vs. Lower Block Spacers 1 2

    By BlaineBug,
    • 24 replies
    • 7.2k views

  5. 2018 silverado 5.3l headers and catless y pipe

    By Chevyguyltz,
    • 4 replies
    • 2.3k views

  6. coil pack

    By 2015 sierra,
    • 6 replies
    • 1k views

  7. First time changing oil on this truck

    By TwentyEighthNight,   
    • 6 replies
    • 1.6k views

  8. OIL psi jumps from 40 to 50 for a sec while cruising at 70mph

    By Payton34,
    • 8 replies
    • 792 views

  9. 2016 Silverado-5.3-Muffler Delete done. Should I delete 3rd cat?

    By SMID333,
    • 10 replies
    • 4k views

  10. Front/Rear Differential & Transfer case service, almost $600

    By No Tyme,
    • 13 replies
    • 1.8k views

  11. About to purchase first GM truck. Going for a 2018 Silverado LTZ. 6 or 8 Speed?

    By probablyflying,   
    • 2 replies
    • 1.4k views

  12. About to purchase first GM truck. Going for a 2018 Silverado LTZ. 6 or 8 Speed?

    By probablyflying,   
    • 0 replies
    • 604 views

  13. Fuel injector?

    By zac hale,
    • 5 replies
    • 675 views

  14. How to replace oil pump 6.2 L86

    By kgkern01,
    • 10 replies
    • 12.5k views

  15. Looking for recommendations and feedback for an l83 cam and tuner. Preferably remote if possible. NW IL

    By Alec Kerchner,
    • 0 replies
    • 413 views

  16. 2015 Sierra 6.2 has a new loud tick when warm

    By kojimep,
    • 11 replies
    • 3.8k views

  17. Tri-pot fuel pump problems?

    By mmrbad,
    • 1 reply
    • 449 views

  18. Jet performance MAF sensor

    By flyingfool,
    • 13 replies
    • 11.2k views

  19. Tuning for 6L80 Transmission and 5.3 Engine maximum longevity

    By Thomas Hill,
    • 8 replies
    • 5.3k views

  20. Fuel injector replacement 1 2 3

    By bronco351,
    • 39 replies
    • 74.2k views

  21. 2018 Silverado 5.3 with instant and violent stalls down the highway

    By DustinR18,   
    • 3 replies
    • 6.1k views

  22. Rear Differential Hum (doesn't know the words)

    By fastx021,
    • 2 replies
    • 597 views

  23. sure cool 6l80

    By plasteryou,
    • 5 replies
    • 1.2k views

  24. L96 questions 1 2

    By TheCaddyMan04,
    • 20 replies
    • 3.9k views

  25. Oil type for 2014 Sierra 5.3 1 2 3 4 8

    By Green 1364,
    • 113 replies
    • 86.1k views

  26. Looking for a shop around columbia / Sumter SC that does installs the actual AFM delete kits

    By boudan joe,
    • 4 replies
    • 705 views

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