ROYBUCK
Apr 20, 2015Explorer
Hill Climbing
Just want to run this by some of you, at the present time when I climb a (Hill or Mountain) I let the Allison do the changing or down shift as needed, if it don't down shift at 1400 RPM I will down sh...
wolfe10 wrote:2oldman wrote:
Downshifting before the hill is easier on the tranny.
Would like more information on that one-- this is an Allison 3000 series. Torque converter is locked in all higher gears.
The only reason I would downshift (down arrow) is if the transmission in hunting between gears or you are overheating.
The OP is doing it EXACTLY correctly (per Cummins): As long as you are not overheating, let RPM lug down to peak torque RPM before downshifting.