I have a Powertrax locker for your open differential and you can install it. The gears are not disturbed. You take out the c-clip and install this in its place. It sells for $470 plus ship at Jegs (link below). My like new unit is available for $325 plus shipping. This is by far the cheapest way to fix your "peg leg" differential.
Powertrax 92-0785-2805 - PowerTrax Locking Differentials - JEGS
Powertrax link is below:
POWERTRAX® EXTREME TRACTION SYSTEMS
Conrad
Powertrax 92-0785-2805 - PowerTrax Locking Differentials - JEGS
Powertrax link is below:
POWERTRAX® EXTREME TRACTION SYSTEMS
Conrad