I have been using Mobil Delvac 1300 Super 15W-40 in my 3QM30.   

I don’t recall where I read it, but somewhere it was stated that Yanmar which 
recommended SAE30 on older engines changed their recommendation to 15W-40.

Paul E.
1981 C&C 38 Landfall 
S/V Johanna Rose
Carrabelle, FL


> On Oct 12, 2016, at 2:59 PM, cnc-list-requ...@cnc-list.com wrote:
> Subject: Re: Stus-List Looking for oil recommendation for 2GM20F
> Rotella straight 30W oil for my 3QM30.
> And haul out is about a week and half away...   :^(
> Fred Street -- Minneapolis
> S/V Oceanis (1979 C&C Landfall 38) -- Bayfield, WI


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