> 
> 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
> 
     Well I had pits in my heads. I took them to a belt sander to
     remove them. So It cann't be that important. It is more
     important that the surface is clean and you use the special
     sealer.

                                              Eric Zeno