Re: Synthetic Oil
My low-tech observation is that whenever I changed from dino oil to synthetic it was necessary to turn down the idle. Standard guidance was to NEVER use synthetic on a fresh rebuild because the engine will not break in. Also noticed that engines on a long and steady diet of synthetic seem to exhibit better tolerances (less wear) when undergoing a perhaps unnecessary rebuild. General sentiment seems to be it does not make much difference which oil is used. If it really does not matter I would prefer to go the synthetic route in hope it will add longevity to my engine. That is also the recommendation of my grandkids for estate planning purposes - LOL.
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