Quote:
Originally Posted by SuperD
Installing the 5 Star Tune made a big difference for me. Shift points are better suited for the heavy load of an RV, they are much quicker and better timed. I haven't run enough miles to see if the tune makes any difference in mpg but when you're driving a big square box not much will. I know many other owners have said what a difference 5 Star makes and I certainly agree. Not cheap, but what is!!!
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I had a 5-Star on my F-350 for use pulling the 5th wheel. No difference in mpg--a big difference in perceived power and much crisper shift points. mpg probably went down a little because it made the truck (by itself) much more fun to drive around lol
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