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#17288
vintin
Participant

    My understanding is that the resonate circuit formed by the inductance of the coil and the capacitance of the condenser results in longer spark duration. Another important role of the condenser and a good reason for the cap to have the correct value. The scope photo clearly shows the LC circuit ringing.

    It seems obvious to me that the opening of the points hence the firing of the plugs in relation to piston TDC is more important than the plugs firing at peak coil output. I may have missed it but I don’t remember anyone speculating on the width in degrees of peak coil output.