ERIC ZENO wrote:
> 
> On Sat, 1 Feb 1997, Herb Harmison wrote:
> 
> > I second the idea that there is no way to machine the heads. The geometry
> > requires that the original surface be maintained.
> >
> > The reason for this is that the head is "supported" by the cylinders not
> > the gasket as in conventional engines.
> >
> > Removing any metal from the sealing surface of the head would make the
> > gasket seal much less reliable if not destroy it completely.
> >
> (snip)
> 
>    A simple solution to this is Machine boht surfaces.
>
                   ERic Zeno

Hi, I wonder how critical the dimension between the cylinder seal area
and the rubber gasket seal area is? I have found that dimension is
different between the German heads and the Spanish heads. The Spanish
heads have less pressure on the rubber gasket.  

Todd Francis