04-14-2011, 11:29 PM
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#2
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,974
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Re: 250 timing mark
http://67-72chevytrucks.com/vboard/s...=429908&page=2
Post # 44 shows a typical timing tab. Yours might not have any numbers on it. Usually each mark is 2 degrees.
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