It's true, and I learned the hard way like you guys did, parts are not cheap. It will be a cool truck once everything is done.
Panic, fortunately for me all my die grinder work is done. I didn't hit water either, that was my biggest fear. I did not compare chamber designs on my 292 head and the lumped 250 head. Now I am curious and want see what differences there are, but have to wait until I get the 250 head back.