Quote:
Originally Posted by Daox
If I were to try that out I'd want to do a comparison between P&G with neutral and P&G with injector kill. You're still compressing the intake air, so you still have some fairly decent losses there I would think.
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i agree.
there will be energy loss encountered from the compression but it could be suprisingly smooth. The engine will also be acting as a flywheel so you regain the energy you would loose if you went from 3000 revs to idle when you change gear to neutral. a small gain but still something.
lots of torque due to a full cyliner - could be similar to a diesel. Variable valve could be made to advance/retard the timingbut that would be a more complex setup.
either way I think something like it will be easier and safer than killing the engine - brakes will still work too.