Related Photo Galleries
12. Right around 2,300 rpm, we heard a loud “bam” and then a “ping” inside the dyno room. Everyone feared for the worst, but the ATI Racing water pump pulley wasn’t seated all the way on the shaft and it worked itself loose and then flew off. After a quick milling, which shaved ½-inch off of the pulley surface, Steve hammered it back on and we were back in business.