Another suggestion, if I may, is that when you guys who plan to run big tyres with a leaf spring on your XJ's you might as well weld some traction bar mounts on the rear diff before you install it.
I run stiffer Rubicon Express leaf packs in the back, and even they are notorious for axle wrap. Even on the slightest take off, you will notice the pinion wants to go up and bind the rear uni joint. In an off road situation, especially hill climbing, this will tend to break the uni joint.. and the yoke as well with it.
I've attached a pic of mine which I made, still raw and unpainted, but it works. Now I can plant it and not worry. On the street it lifts the whole rear end when you accelerate hard, funny feeling, feels like you got airbags.
Another advantage is that the long rear prop shaft now has a 'brace' should one of the unis break. It will stop you from doing an endo.
If any one is interested I can make a few of these trac bars on my next shipment of bumpers and panhards.
Cheers
W
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Bilt4mud
ProRock Engineering
"MAKE IT, BREAK IT OR ROLL!"
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