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Yj spring conversion

D

Dylan

CJ-8 Member
City
High point
State
NC
Hey guys I am in the middle of doing my SOA kit with the yj spring conversion. Quick question on the leafs I have the thicker set on the front axle and the set with less leafs on the back. Is that how yall do it? I am just wanting to make sure you put the yj springs on the back to??


 
I used the same (heavy) springs for all 4 corners, so it was easy. I believe you are correct though that in sets that have a combination of lighter and heavier spring, then the larger pack goes in the front.
 
Spieg said:
I used the same (heavy) springs for all 4 corners, so it was easy. I believe you are correct though that in sets that have a combination of lighter and heavier spring, then the larger pack goes in the front.
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Ok good deal I just wanted to make sure before I got the axles under there were I don't have to take it all back apart.


 
I hope I am not asking a stupid question but I rolled the axles under the jeep with the leaf springs already bolted up. Does it matter which end of the spring goes in the shackles and on the frame mounts? I might have to bolt the springs up first then slide the axles under.

Also I was putting the tcase drop on and on the last bolt the nut broke from the weld in the frame. Should I cut a little hole in the frame where I can get a nut in there and on the bolt?
 
If you can get to the nut from one of the holes in the frame you can weld a nut onto a piece of square plate (that you can put through the hole in the side of the frame). The square plate will stop the nut from spinning and allow you to bolt it down. You can also do it the other way, drill a hole in the plate and weld a bolt through it. and drop that through the frame. I've done both. I've also put a bolt with a larger washer on it. I cut a closed end wrench and welded a metal rod on (it fit through the side hole in the frame) to hold the bolt to tighten. You can cut the frame and weld a patch but that's a last resort and a lot more work.
 
Well of course it's the nut closest to the rear end and the hole is at the front mount on the skid plate. Got to see if I can somehow reach a piece of metal all the way back there


 
If you use a bolt and drill a hole in a 1 1/4" x 2" piece of 1/8" steel. You can spot weld the bolt through the steel, slide it through a hole in the side of the frame. Then use a magnet (telescopic extension one) to move the bolt into place. The steel will stop the bolt from turning and be a large washer. Just have to make the steel small enough to get into the frame. You can also spot weld a nut on the steel (easier to fit through the hole but harder to line up with the hole in the skid plate)
 
Another question sorry if i sound stupid but on the leaf springs which end goes on the shackles and in the frame? One end has the bigger piece of metal wrapped around it?
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Also I am attempting to do this with the springs already bolted to the axle then rolling it all under. Am i fighting with myself doing that?


 
The end of the spring with the larger eye hole usually attaches to the frame mount and the smaller eye attaches to the shackle.
 
Dylan said:
Also I am attempting to do this with the springs already bolted to the axle then rolling it all under. Am i fighting with myself doing that?
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Probably doesn't matter but I usually attach the springs at the frame end first and then roll the axle in and raise it enough to attach it to the spring... then connect the shackles last
 
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