things like that seem to work on some things, boats, but the mechanism of corrosion is different.

Is this one of those negative ion generators?

I'm not sure exactly how such a gadget could prevent iron from oxidizing from the air and moisture.

Most industrial equipment is either plated, painted or made of something durable.

I hear the datsun sheetmetal isn't as corrosion resistant as we'd like. Maybe strip the shell and get it zinc dipped and something crazy like that.