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 - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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