Ok I have a 1956 235 with a downdraft tube and a screw in breather cap that is in the center of the valve cover. So if I had a breather cap with a 3/8 spigot on it , Should I run it to the wiper motor vac port. I will also be running power brakes. Can I also run that to the same vac port.. This vac port is the same one the wipers used to run off of. Please let me know if this will work as I mentioned, thanks