Smog Pump Identification - The Supercar Registry

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Smog Pump Identification

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01-14-2008, 09:08 PM

Mr70

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Join Date: Jan 2001

Location: Illinois

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Re: Smog Pump Identification

It's probably a 3927116 AU pulley.
That was used on nearly every Low horse small block & 4cyl.including Corvette from 1968-77..No BB useage at all.
Based on your pumps date,I would imagine it came on a 1972 model originaly.

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