LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Rear Lower Control Arms & Relocation Brackets

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Old Dec 23, 2008 | 03:18 PM
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Default Rear Lower Control Arms & Relocation Brackets

I'm plannin on buyin a set of Relocation Brackets and I wanted to know if I need to get adjustable rear LCA's?

The car is at stock ride height-- but I might lower it next year with Eibach Sportlines and some kind of adjustable shock.

Also, I've already got a set of Spohn boxed LCA's that aren't adjustable on the car now and I really dont want to have replace them with an adjustable set.

Any help would be awsome, thanks guys.
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Old Dec 23, 2008 | 03:28 PM
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some people say yes some say no, i have the umi non ajaustable and i am getting the relocation brackets in 2 days. so im going to say no and i have the hotchkis springs
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Old Dec 23, 2008 | 03:48 PM
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the brackets can be used with stock arms.

the brackets also help get the instant center back after its lowered.
so both ways its a win win.


aaron
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Old Dec 23, 2008 | 03:53 PM
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you will be fine, but adjustable can only help!
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Old Dec 23, 2008 | 03:53 PM
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Adjustable vs. non adjustable always sparks a debate... I like having everything adjustable to compensate for variances in tolerances in each car, as well as helping to fit bigger/taller tires by being able to center the wheel in the wheel opening...Most relocation brackets are built with the holes machined in a arc to work with the stock or non adjustable lcas...Either will work for you.

--Alan
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Old Dec 23, 2008 | 03:55 PM
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What about the claims of putting them on a car you never intend to lower will get you better traction? I have everything non adjustable except for my Trq Arm is Adj and I have ben wondering about buying a set of these.

I don't really need to lower my car I might just for the looks but frankly if keeping the stock height and adding these I can improve my traction even more then that for me is def worth it.
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Old Dec 23, 2008 | 04:12 PM
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they help for hooking with stock height. once again, helps to relocate the instant center. but it also helps out just as much when the vehicle is lowered.

either way they work awesome.
i have basically the weld in ones that came with my SSM bars, they can allow you to set pinion angle and such. im ditching them for the UMI brackets, one because im slamming it, and the other because i want the car to hook better.

aaron
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Old Dec 23, 2008 | 07:44 PM
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Originally Posted by Cross
What about the claims of putting them on a car you never intend to lower will get you better traction? I have everything non adjustable except for my Trq Arm is Adj and I have ben wondering about buying a set of these.

I don't really need to lower my car I might just for the looks but frankly if keeping the stock height and adding these I can improve my traction even more then that for me is def worth it.
It is true that this will move the instant center back. The problem is that it places the instant center further back on the torque arm. This creates a bunch of stress on the torque arm. The lower control arms should be level with the chassis. A better way to move IC back is to use Pete-Z bars (or similar). Another would be to run a shorter torque arm. In all cases the rear suspension should have free travel when the rear shocks are set on "soft".
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Old Dec 23, 2008 | 07:49 PM
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duh i keep forgetting the 4th gens are 3 link.. my chevelle is 4 haha..


aaron
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Old Dec 24, 2008 | 05:02 AM
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The adjustable LCAs can center your wheels in the wheel opening. They can also be used for a 4 wheel alignment, so that each rear wheel is equidistant from their respective front wheel. The only way they may improve traction would be less flex than the stock arms, but you already have aftermarket arms so there should be minimal change.
The relocation brackets can improve traction if you use the lower mounting holes.
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Old Dec 24, 2008 | 08:40 AM
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Originally Posted by koolaid_kid
They can also be used for a 4 wheel alignment, so that each rear wheel is equidistant from their respective front wheel..... The relocation brackets can improve traction if you use the lower mounting holes.
I am not a big fan of adjustable control arms. In my opinion the factory rear control arm mounting points are the best referrence point to begin any suspension measurements. IMO both control arms need to be the same length. In regards to using relocation brackets as a traction aid, just be aware of the added stress that you are putting on the torque arm.
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Old Dec 24, 2008 | 01:18 PM
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alright guys, it looks like ill be ordering a set of relocation brackets (a lovely Christmas gift to myself), and hopefully my wheels will still sit centered in the wells.

Thank you for all your help guys!
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Old Dec 24, 2008 | 03:04 PM
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Originally Posted by tbag_skywalker
alright guys, it looks like ill be ordering a set of relocation brackets (a lovely Christmas gift to myself), and hopefully my wheels will still sit centered in the wells.

Thank you for all your help guys!
my wife is buying mine for x mas good luck
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