vent

Long time lurker here. So far all of my questions have already been answered by doing searched. Thanks to all that have posted their knowledge and experiences here. So I have been running my fuel lines and wondering what to do with the vent from my fuel cell. Based on this forum, I decided...

Is the water pump the best place to exhaust steam from the heads with that connected to the rear expansion tank? I have the canton tank and while the pump is out I'd like to tap it prior to rebuilding the front and accessories. How have you Guys connected and plumbed your rear expansion tanks...