14 west across big horn mountain
I’m planning on traveling across the Big Horn Mountains in Wyoming. Traveling west from Ranchester to Greybull pulling a 32 ft. travel trailer with a Chevrolet Duramax. On the west side going downhi...
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While in town/haul mode the Allison is smart and works great on downhill grades. Probably no need to use manual shift unless you want to be in control.
Also if manual was bad for the tranny why would it be there?
Also if manual was bad for the tranny why would it be there?
