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Brian, I have the March 20450 kit on my car, the only snags I ran into were: the water pump pulley was not made for a water pump with a 3/4" pilot shaft, it is for a 5/8" shaft; and if you use an Edelbrock Victor series water pump like I did, you will have to do a little grinding to the arm of the pump because the power steering pump will hit the water pump because the Edelbrock pumps are very beefy in this area.
i have to buy a new water pump also..... i had the wrong pump before..... fan didn't sit center and created alot of vibrations...... that was why i blew 2 wp gaskets and blew a few hoses from rubbing/etc.... time to upgrade and and some hp/chrome.....
stupid question....... if u have a serpentine setup, u would run electric fans...or could you run a flex fan.....?...... whats common procedure on this.......