If you change the crush sleeve, you only have to set the preload. Gear mesh pattern is set by pinion depth, not pinion bearing preload. The pattern will only change if you change the gear set or change the shim pack under the pinion support.
1967 Falcon 4 door 351C-4V
1970 Mustang 351C-2V
http://raceabilene.com/kelly/hotrod
Owner built, owner abused.
