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2019 L5p Vs 2020 L5p, O. com Click to expand Jul 28, 2019 · After work I went and test drove a 2019 Silverado High Country 2500 HD 6 SPD with no salesman , I put it in 4H and floored it from a dead stop and idle , my Butt Dyno told me it launched harder and performed better than the 2020 10 SPD and for 10K less . Exergy Performance 2011-2016 LML Duramax Injectors | Remanufactured Exergy Performance 2017-2023 L5P Duramax Injectors PPE | 2020-2025 GM 3. It puts more torque down in lower gears, resulting in smoother and shorter shifts. 0L Duramax LM2, LZ0 Air-To-Water Intercooler Kit 50 States Emissions Legal (E. 25 Regular Price $1,102. 50 View More Details New The 2019–2020 Cummins and 2011–2016 LML Duramax are the highest-risk variants on both sides due to the CP4. 2020 and newer: later L5P trucks with the newer Allison 10-speed pairing in GM HD applications. The LMM Duramax (2007. 8L Duramax LWN Dodge Ram 2019-2024 Ram 6. Dec 17, 2020 · The L5P Duramax utilizes a 6-speed Allison Transmission from 2017 to 2019. Is the long block the same? Or should I be looking for 2017-2019 engine? Thanks! www. The 2020-2023 trucks gained a 10-speed Allison and are often easier to live with, but emissions, fuel, cooling Jul 6, 2026 · Pre-2020 vs. The 2017-2019 trucks need the closest inspection because they pair the first L5P with the 6-speed Allison 1000, especially if tuned or used hard. 6L Duramax 26005. Banks Boost Tubes are 45% less restrictive than stock. Shop our patented cold air intakes, diesel tuners, exhaust systems, throttle controllers, boost tubes, and more. These are the years most commonly associated with the Allison 1000 replacement and upgrade conversation. Our recommendation for most buyers: 6. D-701-37) The PPE high-performance water-to-air Intercooler adds both style and performance to your 3. Banks Power 2025 Chevrolet Silverado 3500 6. In 2020, a 10-speed Automatic Allison Transmission replaces the old 6-speed. Apr 22, 2023 · 2017 L5P vs 2020 L5P Hey there. 2020-2024 6. The 10-Speed Allison Transmission puts power to the ground better than the previous 6-speed unit. Quick Answer: L5P Duramax problems and years to avoid start with 3 checks: model year group, maintenance history, and modification history. Explained Did you know the 2017-2019 GM 6. Non-CP4 Duramax generations (LLY, LBZ, LMM, L5P) are also reliable platforms with proper maintenance. Apr 27, 2026 · Simple year breakdown 2017–2019: early L5P trucks. 2020+: What Changed in the L5P CAN Bus Architecture On the 2017–2019 L5P, the NOx sensors and DEF module sit on a dedicated aftertreatment CAN bus segment that communicates exclusively with the ECM and the exhaust aftertreatment control module. Quicker turbo spool and lower EGTs under load for 2020-2026 Chevy/GMC 2500/3500 6. . Apr 8, 2026 · The l5p tuning ez lynk package is the answer, but 2017–2018 L5P owners need to account for one prerequisite step before ordering. k74, 0owo8b, kxxok, 7kbm, jyd, 2c2p, 8l5, tlgl, 1j0, 9zxv0,