Good news--I guess,
The rattling I heard underneath was the heat shield for the cat. , I just put a new screw in.
My stumbling problem was because of a fowled spark plug in the #2 cylinder. It seems my valves are getting worse so I am going to check on this one more often until I save enough cash to do the valves.
1957 Dodge D100
1967 VW Microbus 21 Window
2004 Beach cruiser bicycle
"It cannot be emphasized too strongly or too often that this great nation was founded not by religionists, but by Christians; not on religion, but on the Gospel of Jesus Christ. For that reason alone, people of other faiths have been afforded freedom of worship here." Patrick Henry 1776