IIRC, Gene Berg Enterprises used to market a "pre-oiler thingy" that either
replaced the type one oil pump or added a special cover to it that allowed
a hose to feed pressure to the oil galleries while the engine was shut down
so when it was started again, there was pressure even before the key was
turned.

DM&FS

At 10:45 AM 8/30/2006, Robert Fisher wrote:

>Sorry forgot the link:
>
>http://wetwesties1.tripod.com/oilfilterstudy/oilfilterstudy-german.html
>
>Robert
>
>----- Original Message -----
>From: "Tabe Johnson" <greentabe-vanagon@YAHOO.COM>
>To: <vanagon@GERRY.VANAGON.COM>
>Sent: Tuesday, August 29, 2006 9:34 PM
>Subject: Re: Re-useable oil filter
>
>
>>Mike/List,
>>
>>This is a load of hokum that has been going 'round the list
>>for a while.  The only valve in any oil filter is a bypass valve
>>which would activate itself if the filter media got too clogged to
>>pass enough oil, for instance.
>>
>>Let's see: How would a valve that kept the lifters from bleeding
>>down work?  It would apply oil pressure.  Where does oil pressure
>>come from?  The oil pump.  When the engine's off, the pump's off.
>>So when the engine's off, there's no oil pressure, regardless of
>>how many valves you have in your filter.
>>
>>tabe johnson/87 westy
>>
>>PS - speaking of hokum, (and I'm not trying to be aggressive - just
>>asking the question) how is it that replacing just one of the two
>>pneumatic rear hatch struts can cause it to fail prematurely?  One
>>strut doesn't know what the other is doing.  It's just applying
>>pressure to a piston, right?
>>
>>
>>
>>*** cut here ***
>>Date:    Tue, 29 Aug 2006 21:58:33 -0400
>>From:    Mike Collum <collum@VERIZON.NET>
>>Subject: Re: Re-useable oil filter
>>
>>But what about the valve in the filter that keeps the lifters from
>>leaking down?
>>
>>Mike
>
>
>
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