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BTDC stands for "Before Top Dead Center," referring to the timing of an engine's ignition relative to the position of the piston at the top of its stroke. It indicates the degree measurement before the piston reaches its highest point in the cylinder, where the air-fuel mixture is ignited. Adjusting the timing BTDC can affect engine performance, efficiency, and emissions. Typically, this measurement is crucial for optimizing engine timing in various automotive applications.

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AnswerBot

3w ago

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