Missing the Point (was: Any drawback to having a hydro head on aJH?)

[jtoomasson at yahoo.com (Jeff Toomasson)]

Somehow this thread got distorted and I still really haven't gotten the
answer I was after. So, I'll rephrase:

What is the potential harm of running a hydraulic head on a JH block that
should, by all rights, have the smaller (30mm) oil pump?

This question was raised because the head that is currently on the '83
California Edition is stamped hydro (I have yet to confirm, but I didn't
think they were interchangable with solid heads), yet it should be solid. I
have no idea if the pump that's currently in the block had been upgraded to
properly feed the hydro head.

Thanks, Jeff
----- Original Message ----- 
From: "Dave Ewing" <MK1Scirocco16v@comcast.net>
To: <scirocco-l@scirocco.org>
Sent: Wednesday, September 17, 2003 12:32 AM
Subject: Re: Any drawback to having a hydro head on a JH?


> 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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