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Tractor Talk Discussion Forum

it's the laws of physics, drag squared It's all in the gear

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buickanddeere

04-26-2008 11:54:41




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If the engine isn't suffering from detonation. Adding octane improver will decrease the mileage a slight amount. If the engine was suffering from detonation, then yes efficiency would improve when detonation was stopped. As for mileage at on speed or another. It's an irrefutable law of physics that air drag increases with a square of the speed. That is going twice as fast takes four times the energy. Going 3 times faster takes 9 times the energy. Most reciprocating engines are most efficient at the rpms where max torque can be developed. A few hundred rpms either side of peak on a gasser isn't going make beans for difference in efficiency.

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