thanks for the good thoughts guys. once I get it apart and figure what went wrong or what I did wrong I will know what direction to go. I do have a 400 block I have been wanting to do something with. Ian the rods were used but I did have them checked at a shop and new 8740 bolts were used. right now I'm thinking Monty may be correct as it looks like it may have grabbed the bearing broke the bolts and sawed the rod in half. definitely a learning lesson here.