Sounds like a good idea. I had a report over the restoration of a WWII era BMW radial engine pulled from the muck at the bottom of a French river. They used a bath where they continuously flushed the tank with a slowly changing bath and used electrolysis. Sounds like there is a commercial version. That big ole fully assembled radial supposedly shined like new after they were finished. Very cool.Electrolysis is a pretty cheap but friendly way to remove rust, unlike an acid bath.