Quote:
Originally Posted by ///M Ryder
A narrower tire would have to have low pressure to equal the contact patch of a wider tire. If you every go to a quarter mile track, you see guys dropping pressure like crazy to increase their contact patch. Your thought could hold some validity on a 245 to 255 ratio. But let's say you go from a 255 to a 295.....the pressure you would have to drop to equal the patch would be unsafe in most cases.....................Phil
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Conventional thinking would lead you (and me) to think this way. However I still don't fully see why a narrower tire at the same inflation pressure wouldn't just give you a longer contact patch. Hence, the overall
contact area will be the same as a wider tire.
I am probably missing something obvious. It has been a long time since high school physics !!