old school diesel where not designed for this kind of fuel, thus elastomer seals will deteriorate over time and will cause leak. I think it already mentioned on this thread (not me)
the additives/chemicals they use and formulate biodiesel or FAME(Fatty acid methyl esters) is what the FIE manufacturers wants to know but unfortunately fuel industry will not divulge everything.
lubricity is not the main concern over fouling using biofuel, its what the other stuff like water, soaps, sodium, etc.
Sorry im not technically declined to discuss this things.
only want to share this, while researching for pre-filter to an innova diesel engine, if its beneficial or not; im encountered those research papers.
Maybe google will help you. search "denso study biodiesel injectors"
Im just want to point out be very choosy in fuel stations.
http://www.innospecinc.com/assets/_f...Injector_D.pdf 2011
http://www.biopowered.co.uk/download/FIEM.pdf 2000
http://www.globaldenso.com/en/topics...tion_paper.pdf 2012
Petron acknowlege some of the challenges for RA 9367: “Biofuels Act of 2006”
http://www.pecj.or.jp/japanese/overs...o_S_Toledo.pdf


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