> > Isn't the case a sand-casting? Same with the heads? Cylinder linings?
> Rods?
> > Pistons? Milled or turned to tolerances after?
> >
> > According to the reading I've been doing, it's not rocket science to
build
> a
> > very small foundry and to cast metal parts. It's not complicated or
> > expensive. Even to make parts with good precision.

There are tuner shops that are doing just that. http://www.goapr.com/ I've
visited their facility on a few occasions and came away very impressed.  I
am sure they have all the contacts you'd need, and since this would not
compete with their business they should be willing to share some knowledge.

Chris,

'85 Westy.