Economy mode on an Allison Transmission
Does anyone know if there is any benefit to turning on Economy mode while using cruise control on a highway? If I've got the cruise control turned on at 64 miles per hour, will economy mode help? ...
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It does a couple of things. It doesn't shift any quicker but it holds the tranny in the highest gear to a lower RPM allowing you to lug the engine for better fuel economy. It also prevents constant shifting on rolling hills.
