Thread: decoding vin on '67 GMC
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Old 09-15-2011, 11:13 AM   #6
Tim Christian
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Location: TN/VA
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Re: decoding vin on '67 GMC
Straight out of my 1967 GMC Truck Service Manual

C = Conv. Cab
M = V6 Gasoline
1 = 1/2 Ton
57 = Wheelbase
OC = Fenderside
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