318 to 360 swap screwed up big please help!!!
Stop, and calm down; take deep breathes. The mounts (bisquit) only need a spacer. You need center sump, with pick-up. Relax.
You understand internal balance vs external. (your balancer shows you).
Does your balancer have big counter-weight, and have stamped on it (you have to pull the pulley off) cast?
We need to really know what crank is in it.