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"octane myth" & "synthetic oil

In message <> Dave Head writes:

> Bypass filtration systems are in use in virtually every large volume
> crankcase for diesel engines, turbines and reduction gears. Conventional
> filters can only filter down to 10-12 microns. A bypass filter can filter to
> 1 micron - small enough to filter out a water molecule.

Couple of orders of magnitude out, I think.

Plus - anything that filtered out water molecules would sure as hell be 
impervious to oil, which has _VAST_ molecules compared with water.

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club