Don't feel bad, been there done that!!
What will realy make you feel real good about yourself, if you look close at the clutch plate it will say fly wheel side, or something like that!! Sorry Buddy. Wish I was close so that I could help. Morris and Baldwin and myself can pull a motor out of an ERA in about 45 minutes now, we've go a system down!
Love You Man(Sherry TOO)
The Royal Rhubarb