Water-thin oils like 5W30 or even 10W30 in some applications are not a stovebolt's friend. The engine will be noisy and oil pressure will be low. I like either 15W40 or 20W50.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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