Thread: factory grease pencil marks?
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Old 05-17-2016, 06:41 PM   #118
Cheby72
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Join Date: May 2016
Location: Hope mills North Carolina
Posts: 1
Re: factory grease pencil marks?
I have a 68 GMC ambulance and on the firewall is a series of numbers that span from right side to left side, i would love to know how to decode them and see what they all mean
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