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Re: [GMCnet] Onan, modern oil ok? [message #325014] Mon, 16 October 2017 17:05
emerystora is currently offline  emerystora   United States
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Registered: January 2004
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Senior Member
No special formula needed.
I use a 30 weight or sometimes 10w30 in really cold weather.

Emery Stora
77 Kingsley
Frederick, CO

> On Oct 16, 2017, at 4:02 PM, Luke Walling wrote:
>
>
> Does the onan run fine on modern lubricants or does it need a blend with high zinc content?
>
>
>
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