Subject: 1961 Chrysler 300G with air conditioning Current affliction: verified leaky heater core Question: how and where to get heater core repaired or replaced? My old-timer radiator shop guy tells me new cores are totally not available for the air conditioning version. The one in this car is quite rotten. So - what do I do? who to talk to? who will make me another one? someone been there done that? HELP! John Hertog in sunny Sag Harbor but leaking coolant [Non-text portions of this message have been removed]