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8" Wheel and Tires - Replace with 12"?
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<blockquote data-quote="JMichael" data-source="post: 288841" data-attributes="member: 7544"><p>I knew if I kept reading this thread I'd do something stupid. So here it goes. An 8" tire will make approx 1267 revolutions per mile while a 13" (sorry, don't have a 12" tire to measure) tire will make approx 868 revolutions. That's almost a 50% increase in the number of revs per mile of the bearing if you changed from a 13" to an 8" tire. </p><p></p><p>While I don't think it's any less safe to tow at highway speeds with 8" tires than with 12" tires, I do agree that the bearings used with 8" tires will make more revs than those used with 12" tires and therefore the bearings with the 8" tires should theoretically wear out sooner if both sets are subjected to the same wear/mileage and maintenance. Is it enough to worry about??? Probably not as long as you lube and check your bearings regularly. I also agree that the larger diameter tires are going to give a smoother ride for the boat/trailer.</p></blockquote><p></p>
[QUOTE="JMichael, post: 288841, member: 7544"] I knew if I kept reading this thread I'd do something stupid. So here it goes. An 8" tire will make approx 1267 revolutions per mile while a 13" (sorry, don't have a 12" tire to measure) tire will make approx 868 revolutions. That's almost a 50% increase in the number of revs per mile of the bearing if you changed from a 13" to an 8" tire. While I don't think it's any less safe to tow at highway speeds with 8" tires than with 12" tires, I do agree that the bearings used with 8" tires will make more revs than those used with 12" tires and therefore the bearings with the 8" tires should theoretically wear out sooner if both sets are subjected to the same wear/mileage and maintenance. Is it enough to worry about??? Probably not as long as you lube and check your bearings regularly. I also agree that the larger diameter tires are going to give a smoother ride for the boat/trailer. [/QUOTE]
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8" Wheel and Tires - Replace with 12"?
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