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Old 11-21-2007, 04:26 PM   #1 (permalink)
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Question Square tube links vs. round tube links

or both?? i was thinking 2 1/2 inch 1/4 wall square for lowers and 2 inch 1/4 wall round for top links im doing a double triangluated rear and reagular 4 link front. whats better square tube round tube or maybe both together let me know thanks guys
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Old 11-21-2007, 05:01 PM   #2 (permalink)
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i have 1/4 wall 2 inch lowers and bent one last week. im goin to sleeve it with 2.5 inch square 1/4 tubing next. hopefully that will be strong enough. i bent a 2inch 1/2 wall link also.
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Old 11-21-2007, 05:04 PM   #3 (permalink)
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square tube is not as strong to a comparable size round tube. Its in the design. The 4 corners are weak. That is why high pressure cylinders are round. You could make it work but it will have to be thick. I would sleave the 1/4 square tube with another 1/4 wall tube just to be safe.
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Old 11-21-2007, 05:07 PM   #4 (permalink)
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Really? You're ganna put square tubing for lower links? I dont want to cry troll in case you're just an idiot. Why would you do square tubing on the lowers and regular round tubing for uppers? I'm... confused...
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Old 11-21-2007, 06:04 PM   #5 (permalink)
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Really? You're ganna put square tubing for lower links? I dont want to cry troll in case you're just an idiot. Why would you do square tubing on the lowers and regular round tubing for uppers? I'm... confused...
Yep, I'm thinking troll material...Fugly is all it would get him.....my guess is he's trying to be resourceful and using the material he has laying around.
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Old 11-21-2007, 06:08 PM   #6 (permalink)
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Square is stronger in the application of a link... Gas cylinders handle a complety different load (Lat. and Long. stress) Moment of inertia is a key word in this comparison.

Ok, now let an Mech. enginneer chime in and really explain.

(DISCLAMER-I only completed two years of Mech. Eng. and 15 years of nuclear welding, so I forgot lotsa stuff, that is all...)

Real engineers chime in...
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Old 11-21-2007, 08:32 PM   #7 (permalink)
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Why change what works? Links are round for a reason. Unless you look at desert trucks, they use links that are rectangle and taper down.
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Old 11-21-2007, 09:32 PM   #8 (permalink)
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a square link would be less likely to bend from an impact than round tube of same diameter (unless it gets hit directly on the corner) but I run round cause it looks better and is easier to get theaded adaptors. and mabe I wheel like a pus too.. I don't think I would run square for the uppers as you really shoulden't need anything bigger than 1.5" as you won't be hitting them (or at least you shoulden't!)
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Old 11-21-2007, 09:36 PM   #9 (permalink)
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They both "work", I think it's just a matter of looks. I like the way round looks; I use 2.25" 7075 T6 for my links. They look sweet and the #1 reason for me... They dont rust!
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Old 11-21-2007, 10:31 PM   #10 (permalink)
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Why change what works? Links are round for a reason. Unless you look at desert trucks, they use links that are rectangle and taper down.
all of claytons links are square and they seem to hold up fine. i think most that are runing square say there stronger, i have to agree. since its harder to crush two flat walls and strecth two ( top and bottom ). i have round ( 2'' 1/4 wall sleeved with 1.5'' ) but the only reasion i used it because it was free, jason.
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Old 11-21-2007, 11:26 PM   #11 (permalink)
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I was advised to not use square links on the front becuase they will tend to buckle more, that was a local shop that said that but I have not seen anyone else mention it.

I have round and square and the only true advantage to the square is that its cheaper, the round is nicer to work with though.
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Old 11-22-2007, 08:01 AM   #12 (permalink)
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I run Clayton arms and havent had a problem...happends to be square too
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Old 11-22-2007, 09:28 AM   #13 (permalink)
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I've read many reports regarding square vs round. Square is stronger with regard to bending forces (dropping on a rock).
These have seen a lot of abuse, and have kept on "ticking":

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Old 11-22-2007, 11:58 AM   #14 (permalink)
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Those links are pretty damn short though. Its a lot easier to bend a longer piece. Most guys around here are running links in the 3-4 foot range
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Old 11-22-2007, 03:46 PM   #15 (permalink)
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Quote:
Originally Posted by Phantom1016 View Post
Really? You're ganna put square tubing for lower links? I dont want to cry troll in case you're just an idiot. Why would you do square tubing on the lowers and regular round tubing for uppers? I'm... confused...
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Yep, I'm thinking troll material...Fugly is all it would get him.....my guess is he's trying to be resourceful and using the material he has laying around.
Wow, you guys are dullards.

Plenty of people run square tube. 2" square is stronger than 2" round in both bending and buckling. There's nothing wrong with it, if it's what you've got, then use it.
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Old 11-22-2007, 04:28 PM   #16 (permalink)
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I've run 2 inch 1/4 wall square on two Jeeps. It's cheaper and I think it will stand up to bashing on a rock better. My links are 36 inches long and I have yet to bend one, but I am only on a 44 and 9 inch with stock 4.0 and 35 inch tires.
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Old 11-22-2007, 07:03 PM   #17 (permalink)
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i've beat my clayton arms, and they have yet to bend, buckle or twist.
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Old 11-22-2007, 07:08 PM   #18 (permalink)
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I am linking my S10 up front with a 3 Link , and am going to be using a 2" 1/4 Wall Square. It is cheap, common , and nothing wrong with it . I guess Ballistic fab must be dumb tho for making square adapters as they are improperly used...... I am using Round tube adapters on mine as they are a decently snug fit.
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Old 11-22-2007, 07:45 PM   #19 (permalink)
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Wow, you guys are dullards.

Plenty of people run square tube. 2" square is stronger than 2" round in both bending and buckling. There's nothing wrong with it, if it's what you've got, then use it.
Calling the kettle black??? Building a gusseted or truss link is stronger than a square tube so what! It's an observation made by two individuals,get over it internet superboy....A square tube is just fuggly IMO (yeah troll is a fitting description)if you want strength build it right in the first place.. that's my opinion so suck my dullard...
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Old 11-22-2007, 07:47 PM   #20 (permalink)
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i run 43" 2x2x1/4 arms on a heavy full-bodied ZJ, arms have held up really good. they take direct drops with the full weight of the rig, i have learned to trust them as skids when picking lines.

as said above, it was available and cheaper. for square inserts just buy square stock to slip inside and drill and tap it out same as round inserts.

lil' fugly, works great for cheaper.
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Old 11-22-2007, 07:49 PM   #21 (permalink)
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I've read many reports regarding square vs round. Square is stronger with regard to bending forces (dropping on a rock).
These have seen a lot of abuse, and have kept on "ticking":

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Old 11-22-2007, 08:59 PM   #22 (permalink)
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I run 2" square lowers in the front. I bent one slightly this summer but it was a very hard hit. I took it out and straightened it in a few minutes with a press.



Anything will bend at some point, but for the price and availability, it's hard to beat square.
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Old 11-22-2007, 09:25 PM   #23 (permalink)
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There's a bunch of e-dick swinging but has some good info:
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Old 11-23-2007, 12:19 AM   #24 (permalink)
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Quote:
Originally Posted by BossBuilt View Post
Calling the kettle black??? Building a gusseted or truss link is stronger than a square tube so what! It's an observation made by two individuals,get over it internet superboy....A square tube is just fuggly IMO (yeah troll is a fitting description)if you want strength build it right in the first place.. that's my opinion so suck my dullard...
Internet superboy, eh?

I wasn't arguing aesthetics. I was arguing functionality and strength. If you're more concerned with how your shit looks than how it functions, maybe you should find another forum.

As far as 'calling the kettle black', I run 2" OD x .25 wall DOM for all my lowers, and I've bent the shit out of them. What a bad decision that was. 2" square would have been a better decision, because anything larger than 2" means my tires are going to hit the links. What exactly was the point you were trying to make there?

I suppose I could make them thicker, but that's not what the original poster is asking. Perhaps if my lowers had been square instead of round they wouldn't have bent. Where's the disadvantage, other than aesthetics? Since you seem to know so much here, you obviously realize my dilemma: either increase outer diameter to increase strength (and lose turning radius), or find a stronger 2" OD section and keep my existing turning and articulation. So instead of attempting to be an internet badass, why don't you give some real facts in your posts, instead of just spewing steaming piles of bullshit?
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Old 11-23-2007, 08:48 AM   #25 (permalink)
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Those links are pretty damn short though. Its a lot easier to bend a longer piece. Most guys around here are running links in the 3-4 foot range
Yep, they're short--too short-- (stock length for 6" lift), but that's why you see the drop brackets.
Long arms are in my future, just because doing so will reduce the amount of tire movement during extreme articulation; however, I'll be using a rectangle, such as I'm using now (1.5x2.5). The problem is adapting round tube inserts to the non-square tube. In this case, I married DOM to the rectangles; a lot of work, but they came out fine.
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