Re: 16V head & cams

["Ian Overholt" <ioverholt@hotmail.com>]

No, the exhaust cam is attached to the sprocket.  The intake cam is driven 
by the inter-cam chain.

16v valves are sodium filled.  They cannot be reground without a danger of 
explosion!  It might be only the exhaust valves that are sodium filled, so 
that statement might not apply to the intake valves.

I would think that a standard valve compressor should work, but I'm just 
guessing.

Intakes are often somewhat rough to encourage turbulence and good mixture of 
fuel and air.  You can really screw up performance by smoothing the intake 
too much.  I do not know how much is too much, but I think Techtonics has 
done a lot with the 16v tuning, so they would be a good place to call.

Ian Overholt
'88 16v
'78 Champagne Edition

>From: "StephyGee" <stephygee@prodigy.net>
>To: <scirocco-l@scirocco.org>
>Subject: 16V head & cams
>Date: Sun, 19 Mar 2000 14:01:01 -0800
>
>Okay, so a few weeks behind schedule, I finally get around to dismantling 
>the extra 16v head I have.
>
>Questions:  Is the intake cam the one attached to the sprocket?
>
>                  If the valve heads look crusty, can they be reground?  
>I'm leaning towards getting new valves anyway,
>                  but I'm curious about these.  They are not pitted, so 
>they're still good.
>
>                  Do I need a special VW tool to compress the valves so'z I 
>can get the retaining clips off or can I use any
>                  ol' valve compressor tool?
>
>Observation:    The intake ports are quite rough.
>
>
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