MPG improved with heavier tires???
Our F150 came with the stock P rated, SR-A Wranglers. I didn't think they were as bad as most people claim, but if I needed new tires, why not try to eek out some improvement? So I debated going w...
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You should get together with the guy who is getting 2 mpg better by changing out good syn gear oil for new syn gear oil. You could have 6 mpg with new tires and 3 qts of 90W and have the only 25 mpg eco boost out there....
