Quote:
Originally Posted by Fordestes
Is there any appreciable difference in power from boring .060-.080 versus.125 or more ?
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Cubic inches equals torque and torque x rpm equals horsepower. It's not totally true, but the old saying was "you can't beat cubic inches". Cubic inches relates to the volume of air that can be moved per rpm. The rest of the engine has to contribute to the air volume movement, but you need the cubic inches there. At higher rpms many factors come into play, but at low rpms cubic inches is the big one.