With Steve's permission anything I've posted something he's written the link to this page should appear designed let you know about his 
"Standard Disclaimer:"

Steve Says:
"I have no idea what I'm talking about, but I'll be glad to tell you what I think..."
 
Though I consider Steve to be a fairly reputable source from his experiences involving diesels and being a general "diesel head," his disclaimer still applies.

Steve's a good guy and thanks for the help.

Most of the things posted here are taken from the DTLC or LCML.