Quote:
Originally Posted by philipswanson
No, aluminum radiators cool much better than brass/copper.
Reason: aluminum radiators have no lead solder/flux joints. Lead is a terrible metal for giving up heat. Aluminum radiators are 100% furnaced brazed and have no solder joints. Much more efficient for their size.
But brass is original for our cars and are preferred for that reason, not because aluminum ones don't cool as well.
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Except for the aluminum ones that are epoxied together.