All,
  The whole thing about adjusting to 6 mils of lash was and is only a
momentary (1/2 hour tops I believe) part of the "adjusting process".  No one
said (and if they did, they were wrong) to leave the valves at 6 mils of
lash.  It is just to get the lifters to pump full of oil before you adjust
them back down 1 turn (360 degrees) from 6 mils, to allow the "hydraulic"
part of "hydraulic lifters" to take over from there.
  Rich

>From: Lance LeBaron <lebarle@HOTMAIL.COM>
>Reply-To: Lance LeBaron <lebarle@HOTMAIL.COM>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Hydraulic valve lifter (mis)operation
>Date: Tue, 1 Feb 2000 06:08:45 PST
>
>David:  Thanks for the explanation.  I was loosely following the discussion
>and now, thanks to your explanation, understand the problem.  My lifters
>seem to be working correctly thank God.  It seems obvious to me that
>adjusting the lifter until it is fully extended is not the optimum
>solution.
>  Hopefully someone will tell us how to fix it right.
>
>David Beierl wrote:
>
>You got it.  That's how it works.  This whole arrangement disables the
>>adjusting ability of the lifter by running it at full extension.
>>
>>If you can't use the hydraulic action of the lifters because they hold the
>>valves open just enough to kill the compression, then *there's a
>>problem.*  That's where we came in a month ago...I will once again advance
>>my hypothesis that either the lifter spring is too strong or the valve
>>spring is too weak.
>>
>>Incidentally, there *is* one systematic difference btw the Vanagon lifters
>>and the BMW/Valiant/Buick etc -- the Vanagon lifters are operated in the
>>horizontal position, with the check ball on the side instead of the
>>top.  Any air that gets into the lifter then has a more difficult time
>>getting out.  But I don't think that really has anything to do with this
>>other issue.
>>
>>david
>>David Beierl - Providence, RI
>>   http://pws.prserv.net/synergy/Vanagon/
>>'84 Westy "Dutiful Passage"
>>'85 GL "Poor Relation"
>
>
>Lance LeBaron
>78 Deer Run Road
>Windham CT 06280
>(860) 450 0726
>82 Rabbit diesel
>84 Vanagon
>
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