Principle, engine speed dependence
The ignition coil charging time is also engine speed dependent. This is to give the correct energy/voltage in the spark, no more, which would cause wear on the spark plug, or less, which would cause misfiring.
The ignition coil charging time is also engine speed dependent. This is to give the correct energy/voltage in the spark, no more, which would cause wear on the spark plug, or less, which would cause misfiring.