long to short water pump

to change from a long water pump to a short one on a 454 do i just have to get different pulleys?

Quote:

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Originally Posted by seansz28

to change from a long water pump to a short one on a 454 do i just have to get different pulleys?

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:HMMM: I dont think that the pulley is the only different
and the Dimension from block surface to hub is different:
Short water pump : 5-3/4"
Long water Pump : 7-5/16"