Thread: I found what blew in my engine!

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Originally Posted by Itoldyouso

There is also the possiblility I am overdriving this pump. Ford Racing discontinued their pulley set for this short pump so I was on my own. I bought a set of Zoops pulleys and had the bottom one machined to fit my damper. The water pump pulley is way smaller than the one on my Son Don's 302. His crank pulley is smaller and the water pump pulley is bigger, mine is just the opposite.

Don

Don,
As a point of reference my billet pulleys from Rocky Hinge are 6"OD on the crank, 5"OD on the pump.