What size tires you guys runnin
#11
#13
My tires are 34.40 or 35s but i hear your ratio goes from 3.73 effectively to about 3.55 so rpm drops down. But i think it does get alittle worse you may drop about 2mpg to about 17. I think it has alot to to with an increase in rolling resistance. I would also experiment with tire pressure. Or look at a narrow tire.
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