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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. Need Advice on Aftermarket Cam Options 1 2

    By Truckboattruck,
    • 24 replies
    • 2k views

  3. Circle D convertor 1 2

    By 6.2Midnight,
    • 15 replies
    • 1.8k views

  4. Leaking valve cover gasket?

    By Gary Shull,
    • 3 replies
    • 4.9k views

  5. Startup Tick

    By gburns,
    • 4 replies
    • 919 views

  6. Diablo Sport - increasing trans pressure

    By 14burrito,
    • 4 replies
    • 993 views

  7. AFM Federal Class Action Law Suit Filed 2104-2021 GM Engines

    By MilwPaul,
    • 1 reply
    • 3.8k views

  8. Pinging on 87 1 2

    By dvzzz,
    • 19 replies
    • 5.9k views

  9. Blown 6.2 L86

    By Bobby Fields,
    • 7 replies
    • 2.2k views

  10. 2017 silverado 5.3 6L80E

    By Stownse,
    • 7 replies
    • 1.4k views

  11. 84,000 miles and needs a new transmission 1 2 3 4

    By sage55,
    • 48 replies
    • 7k views

  12. P0307 and more.

    By Aerovette,
    • 2 replies
    • 1.1k views

  13. High Pressure Fuel Pump

    By nwolfe20,
    • 5 replies
    • 3.5k views

  14. 80k 4.3L Ecotec is blown. $9k Repair bill. Seeking options and advice

    By fireberd350,
    • 5 replies
    • 1k views

  15. 6L80E thermostat delete sure-cool cooler kit 1 2 3 4

    By Jdezee,
    • 55 replies
    • 69.5k views

  16. 2018 Sierra 6.2 tough starting

    By Boyd Proctor,
    • 5 replies
    • 805 views

  17. 2017 GMC 6.2 Whipple Supercharged Map sensor Problem

    By Tanner Smith,
    • 10 replies
    • 6.3k views

  18. Hub Assembly Replacement Torque Specifications?

    By BlaineBug,
    • 7 replies
    • 26.5k views

  19. Engine Failure - only 76,000 miles 1 2

    By NC Chevy Owner,
    • 24 replies
    • 5.3k views

  20. Cord hanging by abs pump

    By Castisos,
    • 5 replies
    • 695 views

  21. Skid plate

    By Jared W,
    • 2 replies
    • 732 views

  22. Extreme negative LTFT's.

    By Bedwards923,
    • 8 replies
    • 5.4k views

  23. 3.08 to 3.42 regear, tuning question

    By 14burrito,
    • 8 replies
    • 1.8k views

  24. 2015 chevy 1500 5.3l P0307 code`

    By cutlit9,
    • 2 replies
    • 2.3k views

  25. Thermostat Recommendations

    By Blue65,
    • 10 replies
    • 8.4k views

  26. L86 MSD atomic Intake Swap Parts

    By GMCSLIM,
    • 5 replies
    • 7.2k views


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