For my 56 3100, i just made my own L-bracket that bolted on one of the oil pan bolts. you can bend one on a brake or use a mending bracket from the hardware store - no need for too much precision. you need to add a spacer or a stack of washers to bring up the oil pan mounting surface to become even with the lip (at the base of the bracket). Sorry - i don't have a picture of this.
