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Old 07-24-2003, 01:44 PM   #1
modvp
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Default How many of you with aluminum control arms on your WRX

have you noticed a big difference in control and stability?
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Old 07-24-2003, 02:19 PM   #2
kenchan
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for the street, i think the factory one works just fine.
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Old 07-24-2003, 06:19 PM   #3
nhluhr
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i have the alu control arms and bushings that come with the SPT kit and they feel more precise. i installed each part of my SPT kit in piecmeal so the difference with the control arms was in fact noticeable. things just felt more controlled, precise... hard to describe but i like it.
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Old 07-24-2003, 07:15 PM   #4
modvp
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nhluhr;
you noticed a difference with the forged alunimum arms, with the stock shocks and springs?
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Old 07-24-2003, 08:50 PM   #5
BIGSKYWRX
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I have aluminum control arms recently added (earlier than planned ) to my STi RA setup, cornering is more precise- likely due to less deflection in the arms vs the oe stamped steel ones. Some people think there are weight savings due to the aluminum build, but the aluminum ones are only 1/4 lb lighter. What is amazing to me is these lovely pieces cost the same as the oe stamped ones.

Big Sky
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Old 07-24-2003, 09:06 PM   #6
jagcars26
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Quote:
Originally posted by nhluhr
i have the alu control arms and bushings that come with the SPT kit and they feel more precise. i installed each part of my SPT kit in piecmeal so the difference with the control arms was in fact noticeable. things just felt more controlled, precise... hard to describe but i like it.
Yep same fr me except i added them to the STI reg takeoff setup(struts, springs, tops),,i like em.It's the little things that add up to a total package.

Rudy
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Old 01-02-2004, 03:17 AM   #7
ButtDyno
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-bumping from the dead-

Those of you who liked the arms - did you isolate the arms from the bushing install? Now that the arms are legal in STX, I have been thinking about them, but I don't want to go through the pain of installing all the wacky bushings if possible..

thanks!

john
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Old 01-02-2004, 08:53 AM   #8
CTKAG
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Well, if you buy the aluminum arms, they come with the STi bushings installed already.

-Keith-
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Old 01-02-2004, 10:34 AM   #9
BIGSKYWRX
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Quote:
Originally posted by ButtDyno
-bumping from the dead-

Those of you who liked the arms - did you isolate the arms from the bushing install? Now that the arms are legal in STX, I have been thinking about them, but I don't want to go through the pain of installing all the wacky bushings if possible..

thanks!

john
They are lgal for STX now? Could you point me in the right direction to see that.

Thanks.

BTW they do come w/ firmer bushings (and a new ball joint!), but I am thinking that the Group N ones, may be firmer yet. Evidently that was the case w/ a few bushings in the STi, ie lateral links-firmer than WRX, but not as firm as the Group N ones. I don't think this has ever been proven beyond a shadow of a doubt, but possible.

Big Sky
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Old 01-02-2004, 10:43 AM   #10
dowroa
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No More Subarus :(
Only a truck, for now. ;)

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Quote:
Originally posted by BIGSKYWRX
They are lgal for STX now? Could you point me in the right direction to see that.

Thanks.

BTW they do come w/ firmer bushings (and a new ball joint!), but I am thinking that the Group N ones, may be firmer yet. Evidently that was the case w/ a few bushings in the STi, ie lateral links-firmer than WRX, but not as firm as the Group N ones. I don't think this has ever been proven beyond a shadow of a doubt, but possible.

Big Sky
Yes, please find me the rule stating that Alum control arms ARE leagal in STX. If that is so.. I am going to run STX this year!

My car came with the STi/SPT v7 kit, so I will have to say that I love the steering response. However, I have had it since day one, so I really cant comment on difference.

However, let me know about the STX rule... I still dont think it is allowed, and I believe it bumps you all the way up to SM.
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Old 01-02-2004, 11:00 AM   #11
BIGSKYWRX
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I did some digging and it appears control arm changes are legal, but w/ a caveot- you can only choose one form of camber change ie if you use camber plates, control arms aren't allowed to be changed modified. I posted a question as the STi control arm does not effect camber, if one could still run camber (oe camber/caster plates) as I am.

If you have no additional camber changes, your SPT setup would be fine.

Unfortunately for me- my Noltecs allow me -2.2 camber and 4.8 caster so I won't be giving them up. I'll post a clarification when I get it.

Big Sky
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Old 01-02-2004, 12:02 PM   #12
ConeMasher
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There's nothing unfortunate about -2.2 camber and 4.8 caster

Except maybe that it's not -3.0 camber!

-- Gary
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Old 01-02-2004, 01:37 PM   #13
BIGSKYWRX
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Quote:
Originally posted by ConeMasher
There's nothing unfortunate about -2.2 camber and 4.8 caster

Except maybe that it's not -3.0 camber!

-- Gary
So very true! I just need to get over the fact that I'm in a new class

Big Sky
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