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Old 05-17-2007, 06:31 AM
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Default Aluminium vs Cast Iron Block

StangerX,

10% loss of power by using an aluminium block, is that because the aluminium conducts the heat better than cast iron, or removes heat/energy generated, so in effect an alloy motor is a heater?
I find your claim very questionable, as the efficiency of the engine is to do with design, and heat is a by product of this.
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