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Jim Brierley · 05-24-2019, 11:30 AM

Zink is not near as important in engines with steel cams as it is in cast iron cams, our A's have steel cams, and low valve spring pressure. Oil manufacturers do not recommend diesel oil to be used in gasoline engines.

05-24-2019, 11:30 AM	#7
Jim Brierley Senior Member Join Date: Jun 2010 Location: Temecula, CA Posts: 4,085	Re: ZDDP additive reacts with yellow metals? Zink is not near as important in engines with steel cams as it is in cast iron cams, our A's have steel cams, and low valve spring pressure. Oil manufacturers do not recommend diesel oil to be used in gasoline engines.