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Re: Understanding Intake Manifold Pressure Waveforms
Posted to Technical Theory Forum on 5/13/2018

As shown in this capture of a 5.3 chev. the injector fuels the cylinder about 90* after ignition or about 200* before the intake valve opens.

I found a message on iATN that you might find interesting.

“Cam/Crank Waveform”

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