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Larger diameter tires = better FE?
I drive a N/A 4EAT Subaru Forester and love it. Now I am about to move to a different city and need to commute about 30Km to work and back every day. My car feels like a little powerhouse and on the highway the only thing that annoys me is that it downshifts too readily when passing, when it would probably be quicker and more efficient to just stay in 4th.
Since I've owned this car it has been making steady improvements in FE, some of it due to my changing my driving habits based on knowledge I gathered from this website and others.
And now let's get to the point. Since this engine feels pretty strong and effortless I have a feeling that if I go with slightly bigger tires so it can rev lower I'll be able to squeeze a few extra MPG out of it, especially on longer trips. What do you guys think?
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