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Old 05-23-2005, 07:46 AM
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reverse flow water pump

I am running a zoops serpentine system on my zz4 350 and I am wondering if I can run the standard short pump in reverse or do I have to locate a reverse short chevy pump. Can someone tell me what make and model of chevy used a short serpentine pump?

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Old 05-23-2005, 08:09 AM
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No. The vanes point in a different direction. Moving water efficiently will suffer.

I believe a pulley change is all that needed.
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Old 05-23-2005, 10:03 AM
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You will also need a reverse flow cooling fan if you're not using an electric fan setup.

I think the 1988-1991 corvettes used reverse water pumps but don't quote me on that.
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