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0212Hpp Spark04 Zoom

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0212Hpp Spark04 Zoom
Just In The Spark Of Time
As the spark timing is advanced from TDC, the cylinder pressure rises sooner in the crankshaft's arc of rotation. The scale to the right of zero is ATDC. Note how traces 5 and 6 have the cylinder pressure peaking way before TDC. This is what kills power and bends connecting rods. View Related Article
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