I just completed the rebuild of my 1991 MC21 and started it for the first heat cycle.  It has been a long time coming.  
Seems to be running well.  It is generating 14.65 volts at the battery at idle.  Is this voltage too high?  Do you think it's time for a new voltage regulator?
Thanks to all the members of the forum that provided me advice as I went through this rebuild endeavor.            				            
            
            
			
