SHOP MATH
Ever wonder how to find the center of 2 pulley groves? Use 2 long straight bolts, 3/8” in this case. Lay one in each pulley groove and measure the distance across both. Now subtract the width of one bolt to find the centers. (1.078”-.375” = .703” [.700”] in this case)

Mike Petralia
Hardcore Horsepower & Dyno
Franklin, TN
November, 2020