Here's a page I found the other month detailing power vs trac. It's a .pdf deal.
http://jeepgarage.free.fr/OWN/differential%20dana%20trac%20lok%20and%20power%20lok.pdf

I ended up rebuilding my traclok with a kit from Cass. It was an adventure.

The next time I burn a set of clutches out it's gonna go on top of the pile.


Black Betty: '69 Charger RT: 440 6 pack, TKO600 5 speed, 3.73 Dana.
Sinnamon: '69 Charger RT: 440, 727, 4.30 8.75. High School Sweetheart.
El Grande: '98 Grand Cherokee 5.9 Limited.