I bought a 1977 Catalina 30 over in New Orleans (Emma Jean out of Oak Harbour). When I began cleaning I found 6-8 gold shaped ballast bars. These suckers were HEAVY. Each probably weighing 5-10 lbs. WHY ARE THESE HERE. They were a mess. I don't have stainless steel keel bolts so there was rust deposits all over the ballast bars and keel bolts. So, should I put these things back after I clean them? My boat is a standard rig with fin keel. I am at a loss, PLEASE HELP Thank You, Tony