Thread: Help with numbers on my 401
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Old September 4th, 2022, 09:40 PM
Mike Caldwell Mike Caldwell is offline
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Join Date: Feb 2013
Location: Glendale, KY
Truck: 401 headed for '49 Willys PU
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Default Help with numbers on my 401
Finally getting started opening up my 401. It came out of a "New Idea" harvester, that's all I know.

Here's some pix of the numbers I've found on the top of the bellhousing. Will post more when I can get to the front of the engine.

Questions: is it a 401? any idea what year?
Attached Images
File Type: jpg GMC bell housing nubers.jpg (769.2 KB, Multiple views, 6 clicks)
File Type: jpg GMC bell housing numbers2.jpg (811.4 KB, Multiple views, 2 clicks)
File Type: jpg gmc intake manifold numbers.jpg (1.39 MB, Multiple views, 9 clicks)
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