The heater Core on my 63 Rambler American is in need of repair. Cant find a new one, and the AMC vendors arent much help for my year. Does anyone have a shop they recommend I can send mine to and have it repaired?
Do you have a old school radiator shop where you live, the real repair shops can usually repair a core. HRP
Brass Works................................................... https://www.thebrassworks.net/heater-cores.html Heater corer's usually don't spring a leak in the core like a radiator but the top and bottom tanks can separate and leak. Most shops will just order or cut a core, clean tanks and solder back together............................
Some heater cores are easily modified to fit a new application. A hole saw, some pennies to block off old holes, and some copper tube for odd bends, and a big-assed soldering iron.
If you can't find a local shop, these guys can do it and they ship. I've had them repair a radiator in a '40 ford big truck and also modify a '39 Ford p/u radiator. Quality work, fair prices IMO. http://fontanaradiator.net/
Best bet is to go through a catalog and find something of similar size. I know a couple of the AMC guys have swapped in other cores -- that one is pretty easy to do due to heater location -- but I don't recall what they used. Easy to mod where the inlet/outlet is -- as long as you don't mind drilling the fiberglass cover.