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Old 10-11-2012, 12:49 AM
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mechanickeith mechanickeith is offline
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Join Date: Dec 2002
Location: Phoenix, Az
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The new unpainted pump you have is a 4 cylinder pump. All V8 4 bolt pumps look the same as far as the depth of the impeller vanes. Some have different shaped impellers but its the depth that matters. If you run that new pump, you will blow out the left head gasket due to no circulation of coolant. We are still having issues with this 50 years later!!! I feel your pain my friend. Hate to say it but I have it better. I can run either pump!

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