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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.


585 topics in this forum

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  1. 2002 Duramax

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  2. New to me 2011

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  3. 6.0 question

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  8. Transfer Case Motor

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  9. LLY Block Hester cable replacement

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  10. P1779 code

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