The Ford Barn - View Single Post - Model A Times Article About Not Using Diesel Oil

duke36 · 03-23-2018, 12:22 PM

Search the net for a Hemmings article 10-18-2012 about the zinc/ phoshorous discussion. The article coincides with a study reported by the Porsche Club of America where 356 4 cylinder motors were torn down after testing and found similar less desireable results for the lifters, etc. with reduced ZDDP levels. The zinc rich oils were affecting catalytic convertors and some other parts and hence were gradually modified to suit modern engines.

03-23-2018, 12:22 PM	#18
duke36 Senior Member Join Date: Jun 2015 Posts: 1,414	Re: Model A Times Article About Not Using Diesel Oil Search the net for a Hemmings article 10-18-2012 about the zinc/ phoshorous discussion. The article coincides with a study reported by the Porsche Club of America where 356 4 cylinder motors were torn down after testing and found similar less desireable results for the lifters, etc. with reduced ZDDP levels. The zinc rich oils were affecting catalytic convertors and some other parts and hence were gradually modified to suit modern engines.