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Old 01-21-2020, 07:45 PM   #1
Ultrasummer
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Join Date: Mar 2018
Location: Fort Wayne
Posts: 106
Understanding Timing

Howdy folks. I'm trying to set the timing on my truck. 1968 Chevy c10 with a 307 with manual transmission. I read in one place where the factory specs suggest BTDC at zero. And I read in another place where 12 is the sweet spot. This is at warmed up idle. So when I get ready ready to get down to work, I take a look at my timing light target and see this:
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Last edited by Ultrasummer; 01-21-2020 at 07:50 PM. Reason: additional info needed.
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