If the Feather Craft Ranger is rough, then expect that the keel leaks, most do, it’s fixable. Not knowing the level of rough, likely somewhere in the $500 range. The Lone Star depends a lot on which model and condition but probably similar to the Ranger. Peter Hunns Old Outboard book can guide you on the motors. The grill being cracked or broken really lowers the value of an Eclipse. Hope this gives some idea.