Re: 16V Head work

[Brett Van Sprewenburg <brett@netacc.net>]

>I have not played around inside a 16V head before, so I am looking for a
>little guidance before I dig into my new toy.
>
>Is it common wisdom that 16V valve guides wear out in 100K miles?


Based on some feedback from people whom have rebuilt these before,
the guides don't wear out too often.

>
>Inspecting the head, they don't seem to have been leaking, the valve
>stems are clean, and there is no play in any of them, so to my
>experience they are sound.


Sounds ok to me.  But I'm not a doctor, I just play one on this mailing
list.

>
>How much can I take off the deck and still keep the (OEM) pistons out of
>the valves? I know they are already an interference fit, but can I plane
>0.0010? 0.0020? 0.0040? to bump compression a little?


Go to minimum deck height, and if want a little compression, go 15-20thou
under.  An interference engine is still an interference engine...planing
down the head isn't going to make it any better, just a bit more likely
you'll bend something if the belt breaks.

>
>Any other cheap mods I can do to bolster torque output, besides swap in
>a 2.0L block ;)


Euro intake cam?


==Brett

  \/  '84 Scirocco (ITB racer 2B) | "Hot VW's, take two home. They're small"
\/\/ '88 Scirocco 16v (Show), '85 Scirocco (Winter) | - brett@netacc.net

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