Was it actually wearing the center, though? Or was it just wearing evenly, but the shoulders were already worn down so not getting as much contact? My guess it it's wearing the middle because that part is less worn, so it's correcting the previous uneven wear. That's what I observed on two vehicles when I first raised the pressure from the low OEM shoulder-eating level.
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
Last edited by PaleMelanesian; 07-26-2013 at 10:39 AM..
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