So I'm thinking of installing different gears. I'm doing some research as to what is involved in setting up the gears and I've come along "preload". As far as I understand it's the torque required to turn the pinion but the whole thing is still unclear. Can anyone explain? I understand that it's measured in units on the order of in/lbs. For a f-body 7.625" 10 bolt the spec is 25in/lbs which doesn't seem like much at all..
-Bruce