leak down test too, might be a little more useful than a compression test.
I don't regard 'compression' and 'oil control' to be 100 % related.
You can have pretty good compression in a compression sometimes, yet not
have great oil control,
'specially on a many-miles engine.
How many miles on the pistons/barrels/rings, anyway, on this one ?

----- Original Message -----
From: "John Bange" <jbange@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, October 02, 2008 9:16 PM
Subject: Re: Oil dipstick pushed out of the tube

>>> Look at the hose between the black plastic breather tower and the
>>> black intake elbow. It tends to rot and collapse .
>>
>> Looks OK on mine, perhaps it's clogged internally, does that tend to
>> happen?  Seems too large a diameter for that to be likely.
>
> The most likely place to clog is inside the tower, up at the top.
> There's a reed valve up there than shuts when there's more than a
> certain amount of vacuum in the intake plenum. Given that crankcase
> ventilation is shut off at high vacuum, when you're pouring on the
> full awesome power of that 2.1, that's the most likely time to see
> crankcase pressure. Might want to check your compression. It's not
> shooting the stick out, so there'sobviously not a BIG crankcase
> pressure problem.
>
> --
> John Bange
> '90 Vanagon - "Lastwagen"
> '90 Vanagon GL - "Wiesel"