Two questions. #1. I bought some gasket material to make a new exhaust manifold gasket for my 3 hp Johnson. It’s fel-pro 3157. Will this work? Or what do I need. Could find no info on temp range. Said it was good for oil, gas, water. #2. Just picked me up an ultrasonic cleaner. I know I just seen a post on this topic but cannot find it. Sorry i know this has been talked about before. What is the best solution, mixture to put in this machine. Cleaning of course old boat parts. Thanks guys!