one year with a 40' fifth wheel and dually
Its been just a little over a year that I have had my current setup which includes a 40' Cyclone toy hauler and a 2001 f350 dually. I figured I would share my observations given how many questions are...
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I can get 10-12 running 55 on I5 over several hundred miles. A headwind runs around 8, no wind 10.x tail wind can approach 12. I am running a tune, and that is hand calculated odometer VS diesel pump. I loose ~.2 mpg per mph over 55.
