Stop in for a cup of coffee

That does sound a bit muffed up.
Agree I asked him why cold air rises.
..his suggestion was just drain everything and leave the line open.
Nope always split someplace every year.
Young guy died from a drug overdose shortly after he did my house.
Ok I had the Gto on charge so I can move it and get to parts I need for the Valiant. Later.