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Old 12-26-2017, 02:20 AM   #2
Jcfcamaro
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Join Date: Jul 2015
Location: Fairfax, Missouri
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Re: Questions about using a timing light

Normally they have numbers going up from 0. And I do believe each Mark is 2 degrees. You should have your vacuum advance unplugged with the other end at the carb/intake capped off when you check it. I also think you don't have your trimming light on the right setting.
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