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Re: 1991 Chevrolet 4.3L (vin Z) - Secondary ignition / rotor gap
Posted to Technical Discussion Forum on 1/25/2012 4 Replies

More details on the waveform.... It looks like to me there is a lot of hash on the spark time (fig 1) which indicates a lean mixture to me. Login to read more.

4 Replies Received (View Replies)