ECU Chip Tune - Ignition Timing - Increase Horsepower

How to increase horsepower through ignition timing. How does ignition timing affect horsepower? Should an engine advance or retard timing to increase horsepower? This video explains the logic behind ignition timing tuning.

NOTE: "Knock occurs when the peak of the combustion process no longer occurs at the optimum moment for the four-stroke cycle." ~ Wikipedia. What happens when the timing is too advanced is the maximum pressure occurs before TDC, which pushes down on the piston when it is still coming up. This is what you are attempting to avoid when advancing timing.

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