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MDS... On or Off ?

Jaybird

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2018 Ram 2500 with 6.4. Truck is used mostly for towing my travel trailer. I’ve heard stories that it is better to turn the MDS off. Anything true about this? Defiantly looking to keep this truck for the long term.
 

VaderRebel

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I have read that for good Hemi health, a few minutes before you reach your destination to disable it so the cylinders are all the same temp. Is it doing anything... who can say, but the science of an engine better at one temp is sound.

Food for thought. After longer drives I try to remember, but not the end of the world I'm sure.
 

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