Just got back from a 3 hour road trip. On the same trip, maybe a cooler day, i got about 29MPG. All I did was raise my Tire Pressure from 35 PSI to 40 PSI and i got 33MPG. Now this wasn't all highway driving either. I drove mostly highway but had some city driving and some hilly country roads as well. I also had 2 other people in the car than on the previous trip. Plus the added weight of their stuff for a 2 day stay while we're down there. So going up the hill it was sluggish and i had to down shift to make it up some of the steeper hills because of the extra 400 lbs or so. I was able to drive 336 miles to 10.004 gallons. It work out to be almost 33.6 but i say about 33. That was the most i've ever got ever! I was surprised what the extra 5PSI in each tire increased nearly 4 MPG. My tires are rated at 44 MAX PSI and i felt safe to go to 40 PSI instead of 35 PSI. Just figured i'd share my find. Enjoy....
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