Have I been doing it wrong all these years?
I have been towing our 30ft fiver for years with a Silverado 2500 Duramax. Have been using the tow mode and get right around 12MPG. Today we headed out. I zeroed out the trip computer before leaving. ...
Forum Discussion
dodge guy wrote:
TH doesn't care about flat ground. What it does is hold each gear longer when accelerating. When it's off it short shifts and can make the engine work harder building rpm back up which actually uses more fuel. I'm guessing you had a tail wind?
This ^
