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