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2000-2014 Duramax, Diesel, & Drivetrain

All GMT-800/900 diesel engine, transmission, and drivetrain specific discussion. Focusing on the 6,6L Duramax V8 & somewhat the 6.0L gas engine. Includes RPO coded engines, LB7, LLY, LMM, LMK, LML, & LGH


570 topics in this forum

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  1. More power for the 2500? 1 2

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  2. Oil analysis results 1 2

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  3. My Rig 2013 Denali 1 2

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  4. Larger Fuel Tank

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  5. Suspension help

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  6. Oil cooler lines on 6.0

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  7. Engine Oil for Alaska

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