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14 bolt install advice no wheels

rhinoblzr

rhinoblzr

1/2 ton status
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I want to get my 14 bolt 1 ton all setup so when i get wheels i can just put it in. Seems most people set the leafs down on the axle with wheels attached but i dont have them yet. I've never swapped a axle before so im just going off what i've read. Since i have a 1 ton i need to swap perch's and shock mounts. Im thinking i can measure my springs from the top of the spring to the bottom of the bed to find ride height (in order to set my pinion angle). then put my 14 under, set perch's on the axle after measuring center 40.5 from what i've read. then jack up to ride height and adjust my pinion agle? Tack weld the perch's and shock tabs,take axle out and fully weld. I got new u bolts, perch's and hardware from ord. Please let me know if this will work. Or whatever is the correct way to do this. I whipped up a stand and jack adapter to make it easier since im solo. Here are some pics of what im workin with. I had to do a disc conversion with el derados thats why i made the stand.

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I believe spring width is 42.5 center bolt to center bolt on the 1/2 and 3/4 ton frames, other than that it sounds like you have have a good plan. You don't need wheels, just set the axle on jack stands and let the entire weight of the rig set down on the axle once everything else (perches, ubolts, spring plates) is in place. Tack it for now, then once you are up and running you can go for a short drive to confirm no bad vibes before final welding.
 
Right on thanks, ive never done it before and i read on another forum of a guy cutting his perch's off 4 times so i got all worried. I want it right the first time. I need time since theres Still a ton of stuff to do to this rig. Im looking for weld on beadlocks and some procomp rims with swampers.
 
I can't answer your question, but I'd love a how to on that axle stand and Jack attachment.
 
I was actually thinking of giving it away to someone who needs it after i get a dana60 and put it in. I'll try to find time to draw something up. Its easy as pie. Like i said i just whipped it up. If i was going to take time to make it so other people could use it would made it adjustable for different axles.

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When I put mine in, I didn't use the wheels.. Set the perches on, ubolted them in loose enough I could 'adjust everything. Centered it measuring in my case from the back of the rotor to the spring edge on both sides. used a jack under the pinion and shot my pinion towards the t-case (double cardan) Tacked it in place. Dropped it out, finish welded it and put it back. Did the shock tabs once it was on the ground under it's own weight.
 
That stand is really nice. I would measure my perch locations and scribe or tape around the tube. Put it all together, snug 7-Eleven, then load it all up and check your pinion angles. Easy to rotate at that point. If good then tack, and drive as suggested, or, if you're sure it's right on, disassemble and weld em up.
 
Thanks a lot I appreciate everyone's help. does anybody know what backspace of Rim I'm looking for. The Pro Comp rock crawler rims only come in 4.25 for a 17x9 inch rim will that work? Looking to put 37's.
 
gGt 17x9 4.5 backspace on mine. 4" lift and 37-12.5 got plenty of space on mine. Not sure what the axle width on mine is though - got a later model aam10.5
 
Cool,thanks.if 4.5 works then my 4.25 should also. Ordered up my weld on bead locks 1/4" plate with anti coning rings. Saved $70 cause its memorial day weekend. Might go get rims and tires today:)
 
Justin V said:
P.s., if you can whip up a stand like that than getting your axle right should be a walk in the park
Click to expand...

This. Installing the axle is lots easier than fabbing up that mount. I've done it several times, but never with wheels on. I never had enough vehicle height to leave the wheels on, I slid them under and then used a jack to raise it the few inches into place.
 
Jack stand the frame.

Roll the axle under the leaf springs.

Jack the axle up so they are closer to the springs.

Set your perches on and get everything lined up with the springs/ center pins.

Start your U-bolts (they will be hold the weight of the axle now).

Measure from the flange where the brake stuff is bolted onto to the spring perch, make sure both sides are the same distance.

Set the angle by rotating the axle, verify distance listed above again.

Tighten the U-Bolts a bit and tack the spring perches.

Undo everything and finish weld the perches.


That's what I did on one of my K5's. Spring perches were exactly where they needed to be and the pinion angle was what I set it at.
 
Right on man, thanks for the detailed instructions. Is the pinion angle supposed to be -2 degrees?
 
rhinoblzr said:
Right on man, thanks for the detailed instructions. Is the pinion angle supposed to be -2 degrees?
Click to expand...
This is the best I can do for you.

I don't know if those angle numbers are right.

But the picture shows the correct angles for single cardan and double cardan drivelines.

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