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Old 11-13-2010, 02:18 AM   #42 (permalink)
bestclimb
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Quote:
Originally Posted by Frank Lee View Post
I sure wish I could see results of "motoring" an engine- reverse dyno'ing it by spinning it with an electric motor and measuring power requirements to spin it. Data that shows how much power it takes to move that piston with valves going and with valves disabled would be most useful.
Could one derive the energy needed to spin an engine from comparing coast down tests engine off but spinning verses transmission in neutral?
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