Can someone explain to me why I'm getting a hyper spark or ignition pulse on #1 & #6 wires coming off the distributer? I have a 1996 4.3LX A1G2 with thunderbolt 4 ignition.
What I mean is, I clamped my timing light to #1 wire and at idle 700 RPM (tach reading), it shows 900+ RPM with the...