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Duramax Diesel & 8.1L Big Block

The torque monsters. Tech for the LB7, LLY, LBZ, LMM, LML Duramax engines and the 8.1L Vortec (L18). Covers the Allison 1000 transmission.


584 topics in this forum

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  11. Exhaust Brakes

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  12. 1996 Dually Crew,6.5

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  13. Diesel Or Gas

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  14. '97 6.5TD

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