Originally Posted by big gear head
Many of the Yukon gears require more backlash than other gears. If this is a 3.70 gear then you may be having the same problem that I have had with them. I've had a few of the 3.70 Yukon 9 inch gears that had some noise in them.
Ok, then I should be ok just shimming the pinion out another .001. The back lash should still be good.
This is thier 3.75 gear. It was a little higher priced then the 3.70. The Richmond I had was a 3.70.