In a message dated 96-08-13 18:42:25 EDT, ak627@dayton.wright.edu (Tom Tweed)
writes:
>If you have already been using 20w50 and have gone through a drain/refill
>or two with it, then there's likely no problem with it. It probably helps
>quite a bit to have the lighter weight oil in the winter, I assume that's
>why you're interested.
I'm not much in the memory dept on this thread, but I remember reading
something about the SAE rating systems being different for motor oil, and
that a 30 weight motor oil was somewhat similar in viscosity to an 80wgt.
gear oil. Anyone else have the real answer?
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