Yep, finding those heater cores can be difficult. The radiator shop could not repair the one out of my 54' 3600 and I finally found a good one on ebay. Here is an option you may want to look at........
http://www.thebrassworks.net/shop/H...irculating-Heater-Core/product_info.html

cold = bad
heat = good

good luck


Ron - - Dusty53
1954 Chevy 3604
In the Gallery Forum
"You can't dance with the Devil and then wonder why you're still in Hell."
"They will forget what you've said, and they will forget what you have done but they will never forget the way you made them feel."