Jones
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- Sacramento, California
Tread direction on the new radials is non-directional (as per article in PS mag) so appearance aside they should do fine.
As far as larger sizes on a dual set-up go: After several calls to commercial tire shops in our area and one to Michelin; the general opinion is that since the inner and outer turn in unison, there isn't any "rubbing". At the bottom of rotation when the tread(s) meets the road surface, the tires just try to expand into each other's space and momentarily push against the other tire's sidewall. The real culprit in tire failures is underinflation which causes the sidewalls to overflex and that generates enough heat to be a problem.
As far as larger sizes on a dual set-up go: After several calls to commercial tire shops in our area and one to Michelin; the general opinion is that since the inner and outer turn in unison, there isn't any "rubbing". At the bottom of rotation when the tread(s) meets the road surface, the tires just try to expand into each other's space and momentarily push against the other tire's sidewall. The real culprit in tire failures is underinflation which causes the sidewalls to overflex and that generates enough heat to be a problem.