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lower control arms

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Old 03-21-2008 | 09:26 PM
  #1  
nick05's Avatar
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From: Lafayette,IN
Car: 1987 camaro
Engine: 358
Transmission: TH350
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.
Old 03-22-2008 | 12:41 AM
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From: Manitoba
Car: '91 GTA
Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
Re: lower control arms

I did it.
It works!!!

The car felt alot more rigid.
Old 03-22-2008 | 05:33 PM
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nick05's Avatar
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From: Lafayette,IN
Car: 1987 camaro
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Re: lower control arms

how thick of metal did you use?
Old 03-22-2008 | 06:09 PM
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From: Moscow Mills, Missouri
Car: Pontiacs, Jeeps
Re: lower control arms

Originally Posted by nick05
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.
Old 03-22-2008 | 09:25 PM
  #5  
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From: Manitoba
Car: '91 GTA
Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
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.
Old 03-22-2008 | 09:32 PM
  #6  
nick05's Avatar
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From: Lafayette,IN
Car: 1987 camaro
Engine: 358
Transmission: TH350
Re: lower control arms

here: http://www.jegs.com/p/Jegster/744011/10002/-1/10063
Old 03-22-2008 | 10:24 PM
  #7  
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From: Moscow Mills, Missouri
Car: Pontiacs, Jeeps
Re: lower control arms

Ahhhhh, rear control arms, I thought you were talking about the fronts. O.k., thanks anyway for the link.
Old 03-22-2008 | 11:46 PM
  #8  
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Car: 1984 Camaro Z28
Engine: 305
Transmission: T-5
Axle/Gears: 4th gen auburn 3.42 disc
Re: lower control arms

http://store.summitracing.com/egnsea...115+4294848363
Old 03-23-2008 | 01:40 AM
  #9  
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From: Sonoma CO. CA.
Car: 1984 Camaro Z28
Engine: L69 305 H.O.
Transmission: T-5
Axle/Gears: 3.73
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
----------
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 01:43 AM. Reason: Automerged Doublepost
Old 03-23-2008 | 01:48 AM
  #10  
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Car: 1984 Camaro Z28
Engine: 305
Transmission: T-5
Axle/Gears: 4th gen auburn 3.42 disc
Re: lower control arms



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.

Last edited by userchemical; 03-23-2008 at 01:52 AM.
Old 03-23-2008 | 02:00 AM
  #11  
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From: Bedford Tx
Car: 1991 Z28 1LE
Engine: 370CID GenIII
Transmission: 4l60e
Axle/Gears: 4.33 Moser 9inch
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
Old 03-23-2008 | 02:35 AM
  #12  
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: lower control arms

i got a set of spohn tubular LCAs for $75 plus shipping if interested PM me.
Old 03-23-2008 | 10:13 AM
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From: louisville, ky
Axle/Gears: '01 3.42 10 bolt
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 10:14 AM. Reason: specification
Old 03-23-2008 | 12:33 PM
  #14  
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From: Sonoma CO. CA.
Car: 1984 Camaro Z28
Engine: L69 305 H.O.
Transmission: T-5
Axle/Gears: 3.73
Re: lower control arms

Originally Posted by 87zjeff
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?
Old 03-23-2008 | 12:47 PM
  #15  
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From: Gulfport MS
Car: 83 Camaro
Engine: 383
Transmission: T5
Axle/Gears: 4th gen 10 bolt 3:42 POSI
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
Old 03-23-2008 | 01:14 PM
  #16  
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From: louisville, ky
Axle/Gears: '01 3.42 10 bolt
Re: lower control arms

Originally Posted by Kevin84Z28
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
Old 03-23-2008 | 01:47 PM
  #17  
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From: PNW
Car: 91 Black Formula KR
Engine: 305 TPI R69/G92
Transmission: Astro A5-Pro 5.0-McCleod
Axle/Gears: US Gear 3.42 Eaton True Trac
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
Old 03-24-2008 | 08:53 PM
  #18  
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From: kissimmee fl
Car: 88 iroc-z z-28
Engine: 383
Transmission: th400
Axle/Gears: 3.42
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.
Old 03-24-2008 | 09:49 PM
  #19  
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
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.
Old 03-25-2008 | 11:57 AM
  #20  
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From: Allentown, PA
Car: 87 Trans am
Engine: 350tpi
Transmission: 6spd
Axle/Gears: 4.10
Re: lower control arms

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

Originally Posted by 87zjeff
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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