Could this passive cooling idea be adapted to our engines?

The weldor is right about using copper, what he failed to mention is that electric weld doesn't stick to copper . Using a bucking bar
[ same word , different use ] of copper, allows the weld metal to flow across the gap, resulting in a strong repair.

You could try wrapping some 3/8 copper tubing around your exhaust, and cylinder fins, but I'm unsure if it would do any good.
 
I was wondering if a copper head gasket that's made large enough to extend as far as the cooling fins might be a good idea. That way it's part of the motor, can be made to look good, and pulls heat directly from the hottest part of the motor.
 
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