Re: what is tow/haul mode
i dont know if its the same in the gm trannys but in the allison it also causes the torque converter to lock up sooner and in all the gears, atleast thats what ive been told.
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'67 c10 lwb-"toothpaste fresh"
'05 3500 dmax/alli ext.cb lwb 4X4
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