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Old 07-01-2009, 11:36 PM
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Peter Serio Peter Serio is offline
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Join Date: Mar 2000
Location: Columbus, OH 43209 USA
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I've got 4 of 5 of these old 4 bolt timing cover pumps here, they are all different from one another in some way. I wonder why they made so many variations for just a simple pump?

So the general theory is the old cast impellers are what you want to run?

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Peter Serio
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Last edited by Peter Serio; 07-01-2009 at 11:38 PM. Reason: spelling