Thank you Danny and Alan,
Here are the internals,
https://lnengineering.com/type...or-square-ports.html
Here is the cooling system
https://lnengineering.com/type...-deluxe-dtm-kit.html
Previous owner paid 15. Mr. Raby makes only 3 of these per year now for over 20.
I'll entertain offers over 10.
Thanks and Aloha