TBI ignition pickup
05-27-2018, 08:30 AM
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TBI ignition pickup
What is the count for the tbi engines distributor ignition pickup? When I say count, i mean 4x, 8x, 24x....i guess what is the reluctor pattern? I don't know the correct term. I am trying to find out if a 8 pin gm ignition control module can properly handle a 4x reluctor signal from an l31 vortec 5.7, and use the data to run ebl flash?
05-27-2018, 09:38 AM
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Car: check
Engine: check
Transmission: check
Re: TBI ignition pickup
It is a 4X signal, four ignition pulses per engine revolution.
What you want to do will work. Only thing to check is if the spark timing retards once the EST/BYPASS connector is closed. If so swap the pickup to ICM wires, there is a polarity.
RBob.
What you want to do will work. Only thing to check is if the spark timing retards once the EST/BYPASS connector is closed. If so swap the pickup to ICM wires, there is a polarity.
RBob.
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