Question about the SRM

IDZRVIT

And you also realize that those elctrons are sent through wires to a fuel injector (after the computer has determined the TPS opening and compared that parameter with a few others in order to produce the corect voltage signal to that injector) that has to open and introduce fuel into the cylinder on a compression stroke (gotta wait for the right stroke and there are four of them), fuel then is compressed, more electrons sent to the ignition to fire a plug which then needs to create the spark at a precise moment as the piston moves up the cylinder, and this will will ignite the air/fuel mixture to start the combustion process which will expand as it burns (fuel doesn't explode as some do believe) and force the piston back down the cylinder under load which will then rotate the crankshaft and the crank sensor will send electrons back through the wiring to the tach sensor which will then be converted to a mechanical force to rotate the needle in the tach. Yes, it happens fast but not as fast as you are trying to make this out. Probably best measured in 1/100 ths of a second or even 1/10 ths but not in a couple of nano-seconds.

Edit: There is a process which has to be completed from the time you move that shifter out of gear to the time you visually see the result at the tach.

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'13 CTS-V Coupe: 6.2L LSA, 556HP