Where do i set the ignition timing for my 1991 chevy 4.3L

Asked by May 09, 2012 at 09:37 PM about the 1991 Chevrolet Astro

Question type: Maintenance & Repair

My Dad built a jeep and put a chevy 4.3 out of a 1991 chevy astro van in it. I am trying to set the timing
but i cant find what degree (in relation to TDC) to set it at. Everything says to check the Emission control
information label for the answer. Can you help me out?

1 Answer


most of those are set at zero and thenthe computer did the advanceing as needed while driving

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