Okay so I am thinking of rebuilding my 150 hp v6 black max from 1980. It has zero compression on the number two cylinder the rest are between 120 and 130. I have noticed fuel leaks from two gasketed surfaces on the portside, more specifically from the crankcase seal area maybe from as high as the top cylinder but from the middle cylinder for sure and I also think some leaks from the base of powerhead. I am going to pull the block off and take it apart. What should I look for in terms of the block not being viable for a rebuild??? I have also noticed some oil like substance dripping from prop hub, at first I thought it was carbon but I have also seen it on days when I've tried to start the engine up and never got it to start, is that a sign that the blocks no good??
