I, too, agree with lycoming-8. In fact, I only use my Yorkie on the highway; in-town, it's fresh air & windows down. I've toyed with the idea of changing to a Sanden and still use R12. My research tells me the bracket would be as ugly as sin, as it mounts to the existing bracket (2 for the price of 1). So if I can fabricate 1 single bracket, I might do the change. Does anyone know if the same idler pully could be used with going to a different size belt? This would be on an M110.

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