Join Date: Apr 2006
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Re: Yanmar hard starting question
So Mack Boring suggests API CF-4 or better?
Jeez, the API has only one word to say about that: OBSOLETE!
About Engine Oil
If a can (excuse me, bottle) of oil on the shelf today only had a CF-4 rating, I'd snatch it up and sell it on Antiques Roadshow.