I doubt that the heat is from conduction from the engine. Coils are a bunch of wire wrappings and make their own heat. As long as it is working fine and isn't melting off the top (which faces down on an AD) and spewing out its oil, you should be fine.


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission