After doing a bit of research on ignition timing I have come up with a basic idea that I might be able to get to work: generally with ignition timing you want the spark fired a few degrees BTDC (before top dead centre) which is when the piston is in its highest position on its exhaust stroke and the cylinder chamber experiences the most pressure. The spark occurs slightly early of TDC because it takes time for the air-fuel mixture to burn inside the cylinder so by the time the mixture has fully burnt the piston is on its way down the cylinder again and the detonation of the air-fuel mixture creates a force that pushes the piston down the cylinder harder therefore creating more power. As your engine rev's higher the pistons are moving up and down the cylinders faster and faster but the air-fuel mixture takes the same amount of time to burn so the spark timing must be advanced further (fires earlier) to give the mixture time to burn. Now with that out of the way, my idea was to do something where was the animation becomes more complex or as it gets faster there is an event that occurs earlier and earlier to mimic this spark timing. I am not sure how I would relate this to the actual animation process though so this idea isn't final yet.
Research Reference:
unknown author(s), (2015). Ignition Timing. Retrieved from
https://en.wikipedia.org/wiki/Ignition_timing
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