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Old 03-21-2008, 08:26 PM   #1
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lower control arms

I was thinking about boxing in my lower control arms to give them more strength. I know they make tubular ones but those are like $160. I didint know if anyone has tried this and if it would make much of a difference. Let me know what you guys think.
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Old 03-21-2008, 11:41 PM   #2
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Re: lower control arms

I did it.
It works!!!

The car felt alot more rigid.
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Old 03-22-2008, 04:33 PM   #3
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Re: lower control arms

how thick of metal did you use?
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Old 03-22-2008, 05:09 PM   #4
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Re: lower control arms

Quote:
Originally Posted by nick05 View Post
I was thinking about boxing in my lower control arms to give them more strength. I know they make tubular ones but those are like $160. I didint know if anyone has tried this and if it would make much of a difference. Let me know what you guys think.

Where did you find them for only $160? Id buy 'em if I can find them that cheap.
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Old 03-22-2008, 08:25 PM   #5
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Re: lower control arms

I can't remember off the top of my head(we did it about 3-4 years ago)

I'm sure as long as it is thick as the control arm(1/6th maybe) or thicker it will be fine.

Cut a strip of steel and weld it over top. Make sure to paint it once you are done to prevent rust on the welded areas.
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Old 03-22-2008, 08:32 PM   #6
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Re: lower control arms

here: http://www.jegs.com/p/Jegster/744011/10002/-1/10063
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Old 03-22-2008, 09:24 PM   #7
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Re: lower control arms

Ahhhhh, rear control arms, I thought you were talking about the fronts. O.k., thanks anyway for the link.
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Old 03-22-2008, 10:46 PM   #8
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Re: lower control arms

http://store.summitracing.com/egnsea...115+4294848363
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Old 03-23-2008, 12:40 AM   #9
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Re: lower control arms

Check out "UMI-Performance-Inc" on EBAY. They sell almost every bolt on upgrade suspension part you might need for your F-body. They have some very reasonable deals. I saw that they were selling a pan hard bar/Trailing arm set for $184.00
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How come nobody makes upper and lower control arms for 82-92 F-Body? I heard of a company many years ago making them but I have never come across any.

Last edited by Kevin84Z28; 03-23-2008 at 12:43 AM. Reason: Automerged Doublepost
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Old 03-23-2008, 12:48 AM   #10
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Re: lower control arms

Click the image to open in full size.

a little comparison for you. i have a set of stock lower control arms that are welded up, have yet to put them on tho.
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Last edited by userchemical; 03-23-2008 at 12:52 AM.
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Old 03-23-2008, 01:00 AM   #11
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Re: lower control arms

Man spend the money and pickup a set of lower control arms from spohn and a set of lower control arm relocation brackets...we put those on my buddys 97 z that was havin trouble with wheel hop and o man does that baby hook now...best 200 bucks hes spent on that car so far
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Old 03-23-2008, 01:35 AM   #12
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Re: lower control arms

i got a set of spohn tubular LCAs for $75 plus shipping if interested PM me.
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Old 03-23-2008, 09:13 AM   #13
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Re: lower control arms

[QUOTE=How come nobody makes upper and lower control arms for 82-92 F-Body? I heard of a company many years ago making them but I have never come across any.[/QUOTE]

nobody makes an upper control arm for the '82-'92 f-body because they don't have an upper control arm.

as far as lower front, i have seen a couple of sets that were tubular. here is a set from spohn:

http://www.spohn.net/?action=product&pid=1142

Last edited by 87zjeff; 03-23-2008 at 09:14 AM. Reason: specification
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Old 03-23-2008, 11:33 AM   #14
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Re: lower control arms

Quote:
Originally Posted by 87zjeff View Post
nobody makes an upper control arm for the '82-'92 f-body because they don't have an upper control arm.

as far as lower front, i have seen a couple of sets that were tubular. here is a set from spohn:

http://www.spohn.net/?action=product&pid=1142
What is the part where the top of the spring sits in? Is that the "A" arm?
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Old 03-23-2008, 11:47 AM   #15
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Re: lower control arms

I made these, very simple bought some flat bar from Lowes and tacked it on, had to use c-clamps and work the shape to fit as i tacked it together.lower control arms-100_0902.jpg
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Old 03-23-2008, 12:14 PM   #16
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Re: lower control arms

Quote:
Originally Posted by Kevin84Z28 View Post
What is the part where the top of the spring sits in? Is that the "A" arm?
it's called the upper strut mount. they do make these aftermarket as well as factory style. here is spohn's factory style:

http://www.spohn.net/?action=product&pid=1147
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Old 03-23-2008, 12:47 PM   #17
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Re: lower control arms

Note also, the factory uses rubber, the after market ones use much harder poly bushings...

I bought some off ebay for $100 or less...

Get adjustable ones if you plan to lower your car, greaseable is always good too...

I've done a bunch of upgrades to my car, LCA's, Panhard bar, poly sway bar end links, subframe connectors, stb, wonder bar, etc... Car feels much better and different than the tired stock suspension.

Raf
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Old 03-24-2008, 07:53 PM   #18
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Re: lower control arms

I saw those lakewood ones. Are they any good? I just want something better than stock for a little harder of a launch.
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Old 03-24-2008, 08:49 PM   #19
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Re: lower control arms

Yea, lakewoods are fine, and run what, $90 brand new with poly bushings? I paid $60 just for the poly bushings, then paid a guy $22 to press them in, then boxed mine myself.
Then proceed to kick myself.
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Old 03-25-2008, 10:57 AM   #20
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Re: lower control arms

Actually where the spring sits in the front is the k-member.

Quote:
Originally Posted by 87zjeff View Post
it's called the upper strut mount. they do make these aftermarket as well as factory style. here is spohn's factory style:

http://www.spohn.net/?action=product&pid=1147
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