How fast do you drive your rig?
I as just driving on I495 North on Mass and I was passed by a Monaco Monarch doing around 80 MPH. It was swaying from side to side as if there was a wind issue but there was no wind. Also he was tow...
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I run 65 most of the time and this 350 cummins hits 1700 RPM. I get 7.5 to 8 MPG towing the 5000# explorer thru the mountains.
