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Electric Water Pump with Steeda UPD

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I'm looking at freeing up more horsepower on my 2008 Mustang GT. I have been reading the electric water pump may be able to free up a few ponies, but I already have the Steeda underdrive pullies. Has anyone tried the electric water pump with the Steeda pullies?
 
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I'm looking at freeing up more horsepower on my 2008 Mustang GT. I have been reading the electric water pump may be able to free up a few ponies, but I already have the Steeda underdrive pullies. Has anyone tried the electric water pump with the Steeda pullies?
can definitely be done, you will just need to get a slightly longer or shorter (i can't remember) serpentine belt.

For reference I have the steeda crank pulley on my car, but the ford OEM water pump pulley, which is essentially what you will be doing in regards to belt length.
 

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