Fuel Changes & Leaks - Then and Now

AndyH · Sep 21, 2006

Here's a paper from Chevron talking about the current change from LSD to ULSD: http://www.chevron.com/products/prodserv/fuels/diesel/documents/elastomer_chevron_tb_2005Aug.pdf

And here's the California Diesel Fuel Task Force report from the last fuel change in 1993/1994:
ftp://ftp.arb.ca.gov/carbis/reports/l639.pdf

Much has been talked about already, but some might 'enjoy' the history. I recently replaced a very leaky pump, so I recognize that 'enjoy' might be relative...

ScorpionBoy · Sep 21, 2006

interesting read. i don't feel very comforted though.

AndyH · Sep 21, 2006

As far as I can tell, the lubricity requirement is still 520 microns HFRR, while the injection equipment manufacturers still want 460 microns HFRR.

Manufacturer's Position:

http://www.stanadyne.com/dsg/showfile.asp?id=2499

Lubricity, and where additives will be injected into the system, must have been 'fun' meetings to attend...

http://www.epa.gov/cleandiesel/presentations/lubricityupdate.pdfhttp://www.epa.gov/cleandiesel/presentations/lubricityupdate.pdf#search=%22astm%20d975%22