I like Castrol GT 10w30. Works nicely for me. On my last truck, Castrol was
the only brand that quieted the piston rod knock for more than two days.

--
Christopher A. Young
Learn more about Jesus
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"Frank" wrote in message
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I'm using regular 10W30. Feel same as you in that the recommended 30W
will be too viscous if I need generator on a cold day.
Believe manual says to check oil level more often if you use
multigrade.