[Vwdiesel] Injection Pump on Ebay

[Bryan K Walton]

Its frustrating trying to differentiate between fact and fiction on
seals, hoses, and different types of fuels.  I've been running under
the knowledge (perhaps false) that it is specifically the act of
running a fuel with a certain level of aromatics in it, and then
reducing the sulfur in the fuel (and hence the aromatics), that 
affects the rubber.  The problem is when you have old seals that 
have had years of exposure to one type of diesel fuel, and then the 
fuel's composition changes.  I've also been told by another person
that biodiesel and ULSD are almost identical in aromatic content and
that therefore if the pump's seals start off with either ULSD and/or
biodiesel (and never come into contact with the old LSD), we shouldn't
have problems.  I'm hoping this is true, I suppose only time will
tell.

Thanks,
Bryan


On Dec 31, 2006, at 12:18 AM, William J Toensing wrote:

> If it is an nos  IP , I suspect the seals will not be compatable
> with today's fuels any more than the old hoses are. Am I right 
> or wrong?
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