Is it strong enough? - JeepForum.com
 
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post #1 of 6 Old 01-25-2016, 08:16 AM Thread Starter
wranglerjrk09
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Is it strong enough?

So I'm building a Dana 60 for my TJ and I have built a truss and welded it on. My question is "how much resistance is on the upper control arm bracket?

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post #2 of 6 Old 01-25-2016, 01:03 PM
RockMonster
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It's going to depend on where you mount your lower controll arm brackets. The more seperation you have the stronger it will be against rotational forces. Are you doing a 3 link front? What size plate did you use? Sure looks beefy enough.

Edit: didn't notice the brackets were on already. How much seperation between the 2 do you have? What size tires do you plan on running?

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post #3 of 6 Old 01-26-2016, 01:36 PM Thread Starter
wranglerjrk09
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Are you asking about distance from lower to upper? Or lower to lower. I will be using 36" control arms. And I plan on running 38-40"
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post #4 of 6 Old 01-26-2016, 01:47 PM
levergun
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The distance between upper and lower vertical separation. It's a crucial part of the suspension design.

1979 CJ5 408 AMC dana 60/14b, T18, d300, PSC hydro assist
1948 Willys CJ2a LS 4.8/sm465 scout 44's
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post #5 of 6 Old 01-27-2016, 08:46 AM Thread Starter
wranglerjrk09
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I thought you were asking how long my control arms were. I'm doing a 3 link system, the distance from center of hole to hole is 11 3/4 on axle side and 8 on the frame. I wanted to get as parallel possible but that's what it it came to. It's a 12 degree angle which matches my pinion angle as well.
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post #6 of 6 Old 01-27-2016, 02:56 PM
RockMonster
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Took this from Barnes 4x4

Separation: Link separation affects many of the handling characteristics of a vehicle, making it a crucial aspect of proper 3 link suspension fabrication. For vertical separation at the axle end of your rig, try for at least 25% of your tire size. For example, a 40” tire should have at least 10” of separation. Note: This isn’t always possible and installing links will require compromises.

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