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Optimal LCA angle

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Old Dec 31, 2018 | 11:15 AM
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Default Optimal LCA angle

I’ve looked on the internet and can’t find anything related to this so I have to ask here. What would be the optimal LCA (lower control arm) angle? From a stability and durability standpoint, Is it better to have it completely level? Thoughts or proof please
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Old Dec 31, 2018 | 11:29 AM
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I would think that the Ford engineer,s already figured this out for you... look at the stock angle.
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Old Dec 31, 2018 | 11:33 AM
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Techrep said it best. Its a very safe bet the stock angle is the best.
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Old Dec 31, 2018 | 11:39 AM
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Originally Posted by techrep
I would think that the Ford engineer,s already figured this out for you... look at the stock angle.
Originally Posted by rngtrtl
Techrep said it best. Its a very safe bet the stock angle is the best.
With all the problems, I don’t think the Ford engineers figured too much out. Besides that’s why people tune suspensions in race cars and other applications, because stock is just that, stock. It works moderately good at a few things. That being said, what is the stock angle? Anyone else care to add anything?
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Old Dec 31, 2018 | 11:54 AM
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Originally Posted by FjordsFords




With all the problems, I don’t think the Ford engineers figured too much out. Besides that’s why people tune suspensions in race cars and other applications, because stock is just that, stock. It works moderately good at a few things. That being said, what is the stock angle? Anyone else care to add anything?
You specifically asked, "What would be the optimal LCA (lower control arm) angle? From a stability and durability standpoint." That would be the stock LCA angle. If you want to tune your suspension for "race or other applications", then you are asking a completely different question. The existing angle works very well at many things for the design criteria of the truck, I dont think you give Ford engineers enough credit, its not like the stock LCAs are blowing out ball joints or chewing through axle shafts often.
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Old Dec 31, 2018 | 11:55 AM
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What are all the problems you speak of?
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Old Dec 31, 2018 | 12:03 PM
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Originally Posted by rngtrtl
You specifically asked, "What would be the optimal LCA (lower control arm) angle? From a stability and durability standpoint." That would be the stock LCA angle. If you want to tune your suspension for "race or other applications", then you are asking a completely different question. The existing angle works very well at many things for the design criteria of the truck, I dont think you give Ford engineers enough credit, its not like the stock LCAs are blowing out ball joints or chewing through axle shafts often.
ok that’s great. What I asked was for the optimal angle, stock is not an angle. What is the stock angle In actual degrees?
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Old Dec 31, 2018 | 01:35 PM
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go look and measure yours.. you can answer your own question...
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Old Dec 31, 2018 | 01:52 PM
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Originally Posted by techrep
go look and measure yours.. you can answer your own question...
I would if that were possible. My truck is lifted and that’s why im asking this question to begin with. Thanks for nothing, move along now.
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Old Dec 31, 2018 | 02:42 PM
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well if it’s lifted .. then you have a new knuckle which corrects your angles back to optimal. May mention all this in your first post so, we know what you are really asking.. happy new year buddy !
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