Compression Ignition Addict
Join Date: May 2011
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This looks like a great oil bypass and secondary fine-filtering setup.
However, the problem I have is the long oil-change interval they recommend.
I am under the impression that our HEUI fuel system is very hard on the oil by shearing its molecules. Our oil serves not only to lubricate the engine bearings etc, but also serves as hydraulic oil by being pumped to very high pressures to activate the fuel system.
Oil that is kept fresh by changing it at the factory recommended interval will provide the properties to keep our fuel system happy. I'm not so sure that superfiltered oil will do the same when it has been sheared by the HEUI system for 15000 miles or more.