Im thinking that if a belt was able to alter its molecular structure, it would morph into a entirely new entity and no longer be a belt!
Perhaps this bit of advice is a relic from a different era, like the old saws about not leaving batteries on concrete or changing the rotation of tires. Maybe with earlier materials used in natural rubber or first-generation synthetic products it was an issue, but I doubt modern compounds give a hoot which way they spin. Think about a modern serpentine belt that passes over and under drive and idler pulleys. Some of those pulleys will turn in one direction and others will rotate in the opposite direction imparting alternating friction loads on the belt as it contacts them. Which load does the belt prefer? Do the belt's molecules switch back and forth, increasing their transformation rate as RPMs increase or does the back-and-forth pressures cancel the whole process out?
That said, I do remember a certain infamous belt from my childhood, that when removed, that could quickly alter my behavior- almost down to the molecular level..
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Today's Featured Article - New Hitches For Your Old Tractor - by Chris Pratt. For this article, we are going to make the irrational and unlikely assumption that you purchased an older tractor that is in tip top shape and needs no immediate repairs other than an oil change and a good bath. To the newcomer planning to restore the machine, this means you have everything you need for the moment (something to sit in the shop and just look at for awhile while you read the books). To the newcomer that wants to get out and use the machine for field work, you may have already hit a major roadblock. That is the dreaded "proprietary hitch". With the exception of the
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