This will be the 93rd time I've explained it, but both "A" and "B" suffer PUMPING LOSSES, losses which are too great to overcome with ANY improvement in the things you seek. Read up on our own EM cylinder deactivation threads. There is a REASON NONE of the OEM cylinder deactivation schemes simply kill injectors or hold valves open and the reason is this: It does not work. It does not work. It does not work. It does not work. It does not work. It does not work.
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