You are getting sick on us Bob! Prime Number Humor.... Hummm? Happy New Year.
I see by the pics that the adaptor you have shown is a sandwich type. Does it have the thermostat built into it? Also, at what
oil temp does the thermostat open up full?
Snakebit mentioned the Canton unit. Have you looked into that one as well? The Canton "looks" very nice to me a first glance. They are also here in Connecticut if that matters any.