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DIY extended control arms

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Old 01-05-2012, 06:54 AM
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Default DIY extended control arms

I have searched quite a bit for any info on this. Has anyone ever extended and reinforced their front upper and lower control arms? At 4 -4.5" of lift my front tires are very close to back of wheel wells. Adj arms are not in budget right now and if it's possible I'd rather fab them.Thanks ahead of time for any help. Also thanks for a great site, I've used it extensively for my 95 XJ build. Will post build pics soon
Old 01-05-2012, 07:29 AM
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Since longer aftermarket arms are not in your budget, and you seem to have fabrication skills, just make your own longer control arms or fab up some drop brackets (which would be my preferd method- but I'd have to buy mine)
Old 01-05-2012, 10:06 AM
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I had a buddy that took and cut them in the middle and welded in a piece of tube to extend them but the tube ran the whole length for strength.

Hope this helps.
Old 01-05-2012, 12:04 PM
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Originally Posted by busted-knuckles
I had a buddy that took and cut them in the middle and welded in a piece of tube to extend them but the tube ran the whole length for strength.

Hope this helps.
This. Run them eye to eye.
Old 01-05-2012, 02:26 PM
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Thanks guys. This helps. Anyone have any idea how much to add? Plan on cutting in middle, adding spacers (plate) to outside then running tube the entire length. Any suggestions on necessary length would b great! Thanks again guys. Have some SO much with this build up, this arm bit will b the end. Will post pics soon
Old 01-05-2012, 02:26 PM
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ive made custom adjustable tubular arms using quality joints and bushings.

it would have cost me like $10 more to just buy a set lol.
Old 01-05-2012, 02:32 PM
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16.5 inches long at 4.5
Old 01-05-2012, 02:49 PM
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Lift...........Lower Control Arms/Upper Control Arms
********Decimal**Fraction**Decimal**Fraction
Stock........15.75.......15 ¾........15.00........15
2”.............15.92.......16............14.88 .... ...15
3”.............16.09.......16............14.92 .... ...15
4”.............16.33.......16 3/8......15.03........15
4.5”..........16.47.......16 ½........15.11........15
5”.............16.62.......16 5/8......15.21........15 ¼
6”.............16.97.......17............15.44 .... ...15 ½
7”.............17.36.......17 3/8......15.74........15 ¾
8”.............17.81.......17 ¾........16.09........16
9”.............18.30.......18 ¼........16.50........16 ½
10”...........18.82.......18 ¾........16.96.........17
Old 07-24-2018, 12:46 PM
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Originally Posted by mithuth
Lift...........Lower Control Arms/Upper Control Arms
********Decimal**Fraction**Decimal**Fraction
Stock........15.75.......15 ¾........15.00........15
2”.............15.92.......16............14.88.... ...15
3”.............16.09.......16............14.92.... ...15
4”.............16.33.......16 3/8......15.03........15
4.5”..........16.47.......16 ½........15.11........15
5”.............16.62.......16 5/8......15.21........15 ¼
6”.............16.97.......17............15.44.... ...15 ½
7”.............17.36.......17 3/8......15.74........15 ¾
8”.............17.81.......17 ¾........16.09........16
9”.............18.30.......18 ¼........16.50........16 ½
10”...........18.82.......18 ¾........16.96.........17
Does this chart work for the rear also?
Old 07-24-2018, 01:25 PM
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Originally Posted by antfoeknee
Does this chart work for the rear also?
uh, theres no control arms in the rear?
Old 07-24-2018, 01:33 PM
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Originally Posted by Martlor13
uh, theres no control arms in the rear?
Mine has them, It's a 1997 grand cherokee 4.0 (zj). Sorry if I'm in the wrong spot new to forum.
Old 07-24-2018, 01:34 PM
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Originally Posted by Martlor13
uh, theres no control arms in the rear?
He's got a ZJ. Obviously he didn't realize XJs don't, or that he's in the XJ sub.

(I don't believe the rear control arms on a ZJ are the same length, so no)
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