Quote:
Originally Posted by 72farmer
I just bought a complete rearend out of a 90 model Surburan.I pulled the back cover off and it is a 3:73 ratio with a Gov-Lock locking diff.It also matches the code in the glovebox.
I read somewhere the axle's were upgraded to more splines and the Gov-Lock was better than the older ones.I am planning to put it in my 87 C10.Will it bolt right in and will the ujoint yoke be the same?
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The rear end should fit just fine. However, as far as the axle being upgraded to larger axle shafts I think that only applied to the front 10 bolt starting in (89?) The Gov-Lock is ok in a mostly stock application but it is 28 years old more and likely. So I would inspect it and make sure it doesn't grenade as soon as you swap it in.