[chap52]

Get one of them fancy insulated thermos coffee cups from Starbucks for $100 and just set it on the passenger seat.
Does your car "pass" off that much coolant that you need a recovery tank? Once they find their "happy level" adding more liquid just means it has to pass it off to get back to it's happy level.
Just my experience with these. I had one on a 52 V-8 but never felt the need on the "A". Chap