Eagerly awaiting a favourable solution.
Zoltan
'82 Westy also.

----- Original Message -----
From: "Jake Beaulieu" <jake_beaulieu@YAHOO.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, April 11, 2008 12:25 PM
Subject: Re: Why are the lifters so hard?

> On Sun, 6 Apr 2008 00:19:29 -0400, Dennis Haynes <d23haynes57@HOTMAIL.COM>
> wrote:
>
>>That is how they are supposed to work. Turn to take up the lash, then one
>>to two turns more. Yes, that will lift the valve. Now walk away and wait
>>an hour or two before starting the engine. They will settle and be where
>>they need to be and finish adjusting after the engine runs.
>>
>>Dennis
>
> Hello Dennis et al.
>
> I have been having the same problem as Zoltan for a couple of years.  The
> lifters are rock hard and every time I pre-load them the valves are forced
> open and the van barey runs (AC Westy).  I always end up setting them back
> to 0.006" as Boston Bob suggests.  Wednesday night I pre-loaded them to +1
> turn and let it sit for 24 hours and got the same result.  So, just how
> long do the the lifters need to "settle" after pre-loading them?  Surely
> 24 hours should be enough?
>
> A follow up question is, just how do the lifters "settle" after pre-
> loading them?  The only way the piston can drop further into the lifter
> body is if some of the oil located in the valve body, but below the
> piston, is removed.  As long as the check valve on the bottom of the
> piston is working, the only exit route for this oil is between the inside
> wall of the lifter body and the outside wall of the piston, ultimately
> exiting the oiling oil on the side of the lifter body.
>
> It is tempting to manually remove some oil from the lifter body so that
> when they are adjusted to +1 there is enough give to prevent the valves
> from opening.  Then run the motor and let them "pump up" to the proper
> height.  I suppose this risks trapping air in the lifters resulting in the
> performance problems Bob refers to in his "history of hydraulic lifters"
> article.
>
> Yeah, I know, beating a dead horse and all.  I have read the heck out of
> the archives and I still don't get it.
>
> jake
> 82 AC Westy
>
>
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