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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.


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  1. '97 6.5TD

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  9. Banks Six Gun Bundle

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  10. Hoping To Buy A Dmax

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