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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
tow haul will not make ou go faster, this is correct. however with it not letting you drop down into OD eliminates the added load on the motor, letting it wind out and stay in the power band.
Well, at WOT, putting it in tow/haul won't make it go any faster
It just delays 2-3, 3-4 part throttle shifts and locks out 5th gear in the 545RFE transmission. Not super power tune or anything when you turn it on.