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2012 Silverado 2500 Duramax LML
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Post 2012 Silverado 2500 Duramax LML 
Hey guys its been a while since I have been on here. I just finally sold my gas Silverado and got a diesel.
I was curious if anyone had any experience with tunes/ tuning companies for the 2012 6.6L duramax for better fuel mileage on a completely stock truck. Efilive unfortunately doesn't cover this model ecm very well at all and was pretty disappointing to me actually.
Has anyone had any experience with the LML D-max with any suggestions for better fuel economy and modifications to allow for lower engine bay temps?
Thanks for any input,
Robby

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