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Lower Controls arms.

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Old Feb 18, 2008 | 11:09 AM
  #1  
explict's Avatar
explict
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4th Gear Member
 
Joined: May 2006
Posts: 1,126
From: Fort Mcmurray, Ab
Default Lower Controls arms.

Ok my first question is.

Lower Control Arms = Rear Trailing arms?

My second qustion is.

Is this a good set-up?

I have:
Eibach pro kit,
BMR LCA.

I should get:
LCA relocation,
Tokico D-Spec,
UCA,
Adj. Panhard bar..

What else? I should get rid of my BMR LCA and get some adj. LCA's? or is there another way?
My BMR's are unused. they are in my closet.
Old Feb 18, 2008 | 01:24 PM
  #2  
Simon1's Avatar
Simon1
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Joined: Dec 2006
Posts: 4,552
From: Redding, CA
Default RE: Lower Controls arms.

You have basically what I have with the exception my LCA's are adjustable and I don't have an UCA. The lowering may cause you to adjust your pinion angle just a little bit. Mine was off by one degree so i adjusted it.

You may need camber bolts and should have had your alignment done too.
Old Feb 18, 2008 | 03:30 PM
  #3  
explict's Avatar
explict
Thread Starter
4th Gear Member
 
Joined: May 2006
Posts: 1,126
From: Fort Mcmurray, Ab
Default RE: Lower Controls arms.

No, I do not have any suspension mods on my car yet, I want to get it all and put it on at the same time, and get everything aligned, and adjusted.
Old Feb 18, 2008 | 03:40 PM
  #4  
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Boss919
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Joined: Aug 2006
Posts: 289
From: Michigan
Default RE: Lower Controls arms.

Get an adjustable UCA, adjustable Panhard bar, and the relocation brackets. If you can afford the D-specs, get those to. BMR stuff is good.
Old Feb 18, 2008 | 06:47 PM
  #5  
Norm Peterson's Avatar
Norm Peterson
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Joined: Feb 2007
Posts: 7,635
From: state of confusion
Default RE: Lower Controls arms.

After the relo brackets are installed and everything is bolted back up, make sure that the rear axle is square in the chassis. It might be possible to determine this on your own, with some difficulty. But itshould absolutely be part of the alignment printout, so make sure that it's there (it's called "thrust angle", and should be zero or very close) and that if it needs to be tweaked let them know that you'll be getting adjustable LCAs so that it can be corrected.

Don't accept answers like "they all come like that" because that's just to brush you off so they can call the job "done" and get another car in the bay. Errors and tolerances in things like bracket holes, bracket shape, OE bracket tolerances, and plain old installation sloppiness (I hope not on the last one, but poo does happen from time to time). These thingscan generate a need for adjustable LCAs just to square up the axle.


Norm
Old Feb 22, 2008 | 12:25 PM
  #6  
alloutt's Avatar
alloutt
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Joined: Aug 2007
Posts: 1,862
From: AE
Default RE: Lower Controls arms.

where would you get all this stuff adjusted?
Old Feb 23, 2008 | 08:15 AM
  #7  
Norm Peterson's Avatar
Norm Peterson
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Joined: Feb 2007
Posts: 7,635
From: state of confusion
Default RE: Lower Controls arms.

Best sort of place would be a shop that deals with racing, at least on the side. Or privately, with a tech who's familiar with doing what's still relatively uncommon work. It's not that a decent alignment tech is any shop couldn't do this, just that it would be a little outside what most are accustomed to doing.

IMO, if/when you're at the point where you can reliably measure axle "squareness", you can do it yourself. It's the measuring that's the tough part, not the adjusting.


Norm
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