Lower priced Power lok, sure grip units on Ebay.

Give it a shot and tell us what you think! I wouldn't want to be the guinea pig, that's for sure. Setting up a ring and pinion is a job I only like to do once.
Agreed, just got done with that job a few months ago. Tempting but that open diff keeps me out of trouble when it rains. Had a lock rite in there and wow never again