The GMMG Registry Forum

Posted: **Tue Oct 21, 2014 8:16 pm**

What are you guys running for rearend lube? Just want to keep some on hand just in case. 12 bolt, 4:56 gears.

Posted: **Wed Oct 22, 2014 3:24 am**

The 75 90 synthetic is what I have, it's more of a, making sure it's full, at this point. Don't need to change it yet. Thanks Blackbird!

Rearend lube.