February 5, 200818 yr comment_225618 Water pumps are different. KE1X pumps have a shorter shaft due to radiator is closer. Now I have MANY K motor factory manuals from 2K,K,3K-h-b-c,4K,4k-C, 5K, 5K-C etc. It list ever spec and it even lists the difference in water pump. Pending on the model of K motor the flat boss the fan bolts to is pushed onto the shaft more or less pending motor and car. I can scan the page if you want to see it. And K motors with clutch fan have bigger boss on the pump also pressed on shaft at different depths according to motor. So this will explain the different water pumps. As I run a KE1X pump on my 5K in the KE15 with a 5K dual pulley harmonic ballencer and the pulley on the crank actually sits out futher so I should run a later pump to align it or pull the boss on the shaft out more. that the fan pulley bolts to. So there are a LOT of differences in K motor pumps. Cheers Cameron Report
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