Originally Posted by Airhead Wrangler
This seems contrary to Boyle's Law of Gases, but if anyone cares to explain to me how this is possible I'd love to hear it.
I used to think the same thing - but evidently what really happens is that lower compression isn't as efficient. Instead of the charge being converted to mechanical energy, much more of it is converted to heat. Higher compression will 'extract' more power from the fuel and give better mileage.
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