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Old September 16th, 2020, 05:18 PM
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Default Re: Motor Serial Numbers

BiilT is correct;

Here are some samples of engine stampings for a 379 and 401. I am not sure what the other numbers refer to.
Attached Images
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File Type: jpg IMG_1620.JPG (1.20 MB, Multiple views, 4 clicks)
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1961 GMC Suburban 305A Overdrive
1962 GMC Utility 305D
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