Wow, someone figured out how to cut and paste an entire page from wikipedia.
So what. The OEM's didn't go to aluminum cause it's better at transferring heat, they went cause it's lighter.
What's the thermal conductivity of WATER, cause that is your limiting factor NOT aluminum or brass. But leave it to a textbook engineer to miss the salient point of a SYSTEM.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
