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post #16 of Old 08-16-2013, 09:23 AM Thread Starter
arkiemurph
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Quote:
Originally Posted by 7CJ5White6 View Post
may be a stupid question but with one end on the axle what is the other end attached too? can someone post a pic of this?
Most attach to your skid plate, but I and some other built a bar running across from frame to frame to attach front to. Had to go up and over my Trans output.

Murph


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post #17 of Old 08-16-2013, 09:35 AM
titomars
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Quote:
Originally Posted by 7CJ5White6 View Post
may be a stupid question but with one end on the axle what is the other end attached too? can someone post a pic of this?
If you're talking about the dual spring plate ones. The other end bolts to the frame. Ideally with as close to the same radius as the spring eye as possible. I can snap some photos tonight

1981 Jeep CJ7 4.0 HO, AX-15, D300, D30, D44, SOA
1977 Chevrolet C/10 step side 454 TH400 3.73 posi
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post #18 of Old 08-16-2013, 09:38 AM
jdarg
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Quote:
Originally Posted by arkiemurph View Post
I am going to u bolt it to my axle instead of weld it, though. Murph
Its just gonna spin on that ubolt. You have to weld it, there's no away around it given the forces involved.

Double-wall the portion of your tube that it welds to spread it out 3-4 inches wider than it actually needs to be. That should prevent it from ripping out the tube again, assuming you fixed the first issue where the tub rotated in the diff case.

Traction bars actually do a poor job of controlling spring wrap vs. a ladder bar. But they are a bolt-on, which probably is why you see so many people who can't weld or fab running them.

I've been running a ladder for a few years now w/ a Ford 8.8 and a SBC w/ 300+ ft/lbs torque and never had a problem, and 8.8's are notorious for the tubes rotating. I hit it with everything on the street from time to time too.

'94 YJ - SBC/AX15/231, SOA, 8.8, 34" swampers
'06 LJ Rubicon - 31" ATs, OME 2.5", belly-up skid, other junk
'75 CJ5 - 232/T14/D20, 'glass tub w/ 2" BL, otherwise stock
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post #19 of Old 08-16-2013, 12:19 PM Thread Starter
arkiemurph
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Well my bud brought his trac bars. Not what I was expecting. These MIGhT work. Bolt to spring plates. Front mounts to brackets u weld to frame.
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post #20 of Old 08-16-2013, 12:52 PM
jdarg
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Those might be fine for a drag car but they will limit your flex, make your springs bend in funny ways they aren't supposed to as the suspension cycles, and eventually break at the weakest link. They will fight the axle's need to move slightly forwards and backwards as the suspension moves. Compression pushes the axle back, droop makes it need to move forward, relative to static height. This is why a shackle or something equivalent is a must on a traction bar for a vehicle with a lot of flex. It allows the axle to still move forwards and backwards.

Use a proper ladder bar. There's lots of bad ways to do anti-wrap/traction bars - this is one of them.

I knew a guy who used to use chains in a similar manner, which solves the issue with droop, but doesn't solve the compression problem. They also kept tearing off at the mount or ripping a chunk out of the axle tube. He said it was the welds, but it was the design - it sucks. Eventually he ditched them.

'94 YJ - SBC/AX15/231, SOA, 8.8, 34" swampers
'06 LJ Rubicon - 31" ATs, OME 2.5", belly-up skid, other junk
'75 CJ5 - 232/T14/D20, 'glass tub w/ 2" BL, otherwise stock
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post #21 of Old 08-16-2013, 02:45 PM
skizriz
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How would Those even fit between the plate and the frame?
Unless you have about 12" of lift springs.

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78 CJ7.. 258.. TH400/Dana18.. SOA/stock YJ springs.. 35" General Grabbers.. Waggy 44s.. 4.88 gears...Spartan/Lockright...Fiberglass front to rear
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post #22 of Old 08-16-2013, 04:59 PM
82JeepCJ7
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Don't use them cheap bolt on arms. Built or buy a good solid one.

https://www.youtube.com/watch?v=Hv6HZVv4GUo

Beat it to fit, paint it to match!

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post #23 of Old 08-16-2013, 05:06 PM
82JeepCJ7
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https://www.youtube.com/watch?v=Ef6lTenmPUo

Beat it to fit, paint it to match!

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post #24 of Old 08-16-2013, 08:22 PM Thread Starter
arkiemurph
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Okay, thanks. Bad idea, LOL.

Murph

Love thy neighbor, but don't mow down the hedge.
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