Thanks guys. This is at the end of the list due to potential of drivablility issues on a dd. Its a long list also, but I will post progress.
Quote:
Originally Posted by mechman600
Remember when the engine is off, compressing a full cylinder of air is like compressing a giant spring. So all the effort required on the compression stroke is returned on the [ex] power stroke when this giant spring pushes back down, resulting in a net power consumption of zero. Minus friction, heat, etc.
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Exactly. The concept is from motorcycles, where engine braking during shifts is not desired. Historically this has been done through slipper and sintered clutches. Now, the ECU's are being programed to stay slightly open to reduce engine braking. Hopefully the software and controls will bleed over, and we can extend it to full WOT.
This should improve narrow window of speed P&G in tighter traffic, and remain legal (since EOC is not in some areas).