Any drawback to having a hydro head on a JH?

[MK1Scirocco16v at comcast.net (Dave Ewing)]

You should be able to look into the oil cap and see if it has pucks or not.
Plus, unless someone has taken it out, the hydraulic heads have the oil
deflector sitting above the cam.  But, if it does have a deflector then you
won't be able to see if it has pucks or not and the deflector is sometimes
installed on the solid lifter heads as an upgrade.  So, either look through
the oil cap and see if you can see if the lifters have pucks in them or pull
the valve cover.  If you do pull the valve cover, I'd get the 2.0L gasket
and studs to replace the older style 3 piece rubber/cork gasket.  HTH!

Dave
----- Original Message ----- 
From: "Jeff Toomasson" <jtoomasson@yahoo.com>
To: <scirocco-l@scirocco.org>
Sent: Tuesday, September 16, 2003 11:28 AM
Subject: Any drawback to having a hydro head on a JH?


When I bought the Cali, I noticed that the head had the big H on it. The PO
says that the cylinder head had never been replaced so it could very well be
the first owner's doing.

I checked the block this morning and it is indeed a JH.

What would this do? My first inclination is that, assuming only the head was
replaced, if the engine's oil pump wasn't upgraded at the same time, the
smaller solid-lifter pump probably wouldn't generate enough oil pressure to
allow the hydraulic valve train to operate properly.

Or - maybe the engine was completely replaced with something out of an
'85/6/7/8 8v and the only way to truly confirm if the oil pump is the right
one is to crack open the oil pan, right?

Sheesh - Only in a Scirocco!   :)

JT
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