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Re: 4.3l Vortec engine propane fueled
Posted to Technical Discussion Forum on 3/13/2017

[1968 Ford Mustang, Ignition Waveform]

The blue CH A is the secondary scope lead on the coil wire which will display all of the plug wires and the spark plugs spark times.

The plug wires are averaging 7.3kv but the misfiring cylinder's plug wire is firing... Login to read more.

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