Everything is back together. Nothing was broken inside. Had some problems understanding the extra lobe on the exhaust valve camshaft, but thats straightened out. I wrote Briggs with the serial number and they said the engine required two valve stem caps. I could only find one. So I adjusted the valves with one cap on and one cap off and it still works, BUT for how long before the valve stem gets rounded out?
I thought I had a problem with the carb shut down solenoid. With it off, my air cleaner housing would fill up with gas.. After getting rid of the gas, I installed a shut off valve just before the carb. So now as extra insurance, when I shut down I close the manual valve.
When I received the proper engine pulley which slid right on the motor shaft I forgot to check clearance all around the pully. Wouldn't you know it, I made a boo-boo! But the pulley slide right on up! Has a son of a time getting the belt around the other pulleys, even by hand with a socket and breaker bar. The starter wouldn't crank the engine. Then I spotted the mistake. The belt was on that front belt guide right next to the pulley. So, back off the bolt and slide the pulley down just enough to get the belt back in the groove. Bolted back up and everything works now. Next I got to tackle the midpoint idler and spring. Fell off yesterday. Then I should be ready to go! Thanks to everyone involved with my project.