Got a friend over finally who qualifies as a true gear-head. We got the head off after working around some terrible screw placement by gmc engineers and found things to look much better than it could have. One valve was busted but very little damage to piston and all cylinder walls are clean. My friend can clean up the piston relatively easy and I guess I will have the head machined and get a valve job and get her put back together. After that I'm hoping I will have the worst behind me and I'll get closer to driving it for more than 3 minutes

Thanks to all who have offered advice and support

Troy