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Fuel pump ID

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Old Dec 21, 2016 | 07:53 PM
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Default Fuel pump ID

Bought this fuel pump on ebay for our L76.
Can anyone tell me what these numbers mean on inside lower bottom cover?
Pump says AC on bottom cover .
Two screws bottom cover attach & Inlet/ outlet at 180 degrees.
No markings on flange.
Definitely small block chevy.
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Old Dec 22, 2016 | 09:46 AM
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The cast "57" in a circle with 7 slashes around it means it was cast July 1957. The other numbers I don't know.
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Old Dec 22, 2016 | 10:18 AM
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See Group number 3.910 in the link below. Appears to be a pump cover for '57-'58 Oldsmobile. The only marque that shows this number is Oldsmobile & the only place it appears is in the 1961 parts & accessories catalog. Agree with '62 Corvette' regarding the die cast 57 marking.


http://www.gmpartswiki.com/getpage?pageid=2001
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