cummins guys here with a question about dmax

Discussion in 'GM Duramax 6.6 (LLY)' started by ironhauler06, Jan 18, 2007.

  1. ironhauler06

    ironhauler06 Member

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    My boss has an 05 dmax and wants to know if he can run 2cycle oil in his fuel. I run it no problem in my 06 CTD and was telling him about the benefits and he wants to put it in his truck now. any takers?
     

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