Heater core re-cored? Or such thing as a universal one?

Johnny Mac said

Hey all, My 78 B body (the powertour car I'm building) has an A/C heater box, and unfortunately that heater core is discontinued in the aftermarket. The firewall and box is COMPLETELY different than a non A/C car. So my 75 parts car is useless in this aspect. . I haven't successfully found a place that 're cores. And for anything north of $150...I would just buy one of the universal under dash heaters.

Any other ideas?? Appreciate it!!! Asked on the B site and got notta

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i have owned some 10 or so Austin Mini Coopers, and here in Florida always had a overheating problem with those radiators small as heater cores. My "solution" was to go to NAPA or Oreilly and search/look in their books until i found the size/shape/outlet i wanted, and then plumbed that Heater Core into the stern of my mini's, running a 1/2in copper tubing back that-a-ways making me a 2nd radiator!! worked great. you might think about looking in NAPA or Oreilly's books (or possibly other manufactures also).