Assuming you mean long 'nose' water pump vs. long 'noise' water pump?

I belive with the March system you need about 7 inches clearance from the front of the block to the radiator. March makes some nice stuff, but $$$$$$$


Last edited by DMGfifty; 11/21/2012 9:22 AM.

David Gilmore
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1950 Chevy 3600