Chevy Small Block Serial Number

Rodder41

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May 31, 2022
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Plymouth P11
Guys, need some help to identify year off manufacture and OEM installation of the Chevy 350 I have installed in a 1941 Plymouth. The stamped number located on the flat just forward of the right-side valve cover is C5F 388276. I have found a listing for a C5A (1982) and a C5B (1982) but nothing for a C5F. The is no access to the back of the block due to limited clearance between the block and the fire wall. No big problems with the engine. Replacing the fuel pump and removed the fuel feed line which exposed this stamped number. Thanks, Rodder41
 
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