Quote Originally Posted by sefrayser View Post
Well I got the body off today. I have a chevy 10 bolt rear in it. The ID for it is 3725899 it also has a 2163 and T8 stamped on it. I found a perfectly round open hole about 3/8 in one of the axle tubes on the left side. Is it supposed to be there?
Yep, but it should have a differential vent check valve in it - Differential Vents - Free Shipping on Orders Over $99 at Summit Racing