A friend and I just finished pouring bearings in a 100 LG. The journals need to be cleaned to bare metal, all rust, dirt and oil removed. Tinned with 50/50 solder. We preheated the journals to about 400F and the instructions for the babbit was 685F for pour. The top caps were poured too cold and shrunk and had to be repoured. I must have read the LG book a 100 times before we tried the pour. It is not real hard to do but not easy either. Good luck on your pour.