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6.6L Duramax Diesel & Allison Powertrain (L5P/MGM)

Technical powertrain discussion specifically for the 2020+ L5P Duramax Diesel Engine and 10-Speed Allison Transmission combination on the 2020 through 2024+ Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500


151 topics in this forum

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  1. Airlift options for DRW?

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  2. Winter guard

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  3. Need Deleted L5P Advice 1 2

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  4. DEF Tank - Frozen

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  5. Aux heater

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  6. 2020 GMC AT4 Garbage Brakes! 1 2

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