Sway bars on truck ???
#1699374
11/15/14 05:54 PM
11/15/14 05:54 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
OP
I Live Here
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OP
I Live Here
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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So if one is solid and one is hollow but the diameter is the same is the solid one going to resist sway more? I know the outside of the bar does most of the work but does the solid center help at all?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Sway bars on truck ???
[Re: astjp2]
#1699376
11/15/14 06:28 PM
11/15/14 06:28 PM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
I got lucky at Woodward!
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I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
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Quote:
Solid would be stiffer!
 I'm not home right now to pull out a strength of materials book and display some torsion equation, but there are equations specifically for solid and hollow bars.
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Re: Sway bars on truck ???
[Re: feets]
#1699381
11/17/14 03:45 PM
11/17/14 03:45 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
OP
I Live Here
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OP
I Live Here
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Posts: 12,419
Kalispell Mt.
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I have a 2000 dakota 4x4 that I tow way too much with, it has a hollow front bar, I have a 3 parts durangos, 2 have the same size bars but solid and the 01 R/T has an even bigger bar that is solid. I was wondering if I should install the same size diameter solid bar or should I just put in the R/T bars?
I have taken off the bars temporarily for hunting season for when I am out in the woods so just trying to decide witch one to put back on in 2 weeks. Dakota is a V6 5 speed all the Durangos are V8s.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Sway bars on truck ???
[Re: HotRodDave]
#1699382
11/17/14 09:32 PM
11/17/14 09:32 PM
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Joined: Jan 2003
Posts: 28,067
Irving, TX
feets
Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,067
Irving, TX
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I'd slam the R/T bars on it and call it done.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
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Re: Sway bars on truck ???
[Re: HotRodDave]
#1699383
11/18/14 12:03 AM
11/18/14 12:03 AM
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Joined: Jan 2003
Posts: 5,388
Pikes Peak Country
TC@HP2
master
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master
Joined: Jan 2003
Posts: 5,388
Pikes Peak Country
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Quote:
I have a 2000 dakota 4x4 that I tow way too much with, it has a hollow front bar, I have a 3 parts durangos, 2 have the same size bars but solid and the 01 R/T has an even bigger bar that is solid. I was wondering if I should install the same size diameter solid bar or should I just put in the R/T bars?
We don't know the wall size of the tubular bar, but in this case its moot. A solid bar of the same size will have more resistance than the tubular bar of the same OD. The even bigger R/T bar that is solid has the most resistance of the lot. I 2nd feets recommendation.
Quote:
I have taken off the bars temporarily for hunting season for when I am out in the woods so just trying to decide witch one to put back on in 2 weeks. Dakota is a V6 5 speed all the Durangos are V8s.
Do you have to take it completely off? I'd try just pulling out the link on one side.
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Re: Sway bars on truck ???
[Re: TC@HP2]
#1699384
11/18/14 03:04 PM
11/18/14 03:04 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
OP
I Live Here
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OP
I Live Here
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Posts: 12,419
Kalispell Mt.
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Would the R/T bar be over kill? I remove the whole thing, it is real easy, (the rear bar is like a pencil so I just leave it and I hear the durango bar won't fit but they are much bigger) I guess since they are so easy I could just try all the bars to see what I like 
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Sway bars on truck ???
[Re: HotRodDave]
#1699385
11/18/14 08:47 PM
11/18/14 08:47 PM
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Joined: Jan 2003
Posts: 28,067
Irving, TX
feets
Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,067
Irving, TX
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If it was 2" bar stock it would be overkill.
I imagine you'll be satisfied with the improvement.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
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Re: Sway bars on truck ???
[Re: feets]
#1699386
11/19/14 09:00 AM
11/19/14 09:00 AM
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Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
70Cuda383
Too Many Posts
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Too Many Posts
Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
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The r/t sways aren't all that aggressive. Put them on, I think you'll be happy. Hotchkis makes fromt/rear sways that are even stiffer than the stock r/t sways
The 'equation' for a hollow bar is to pretend you're dealing with 2 seperate solid sways. If you have a 7/8" tube with 1/8" thickness, then the diameter of the open space is 5/8"
You would calculate the strength of a solid 7/8" bar, then subtract the strength of a 5/8" solid bar
Sounds like a lot, but as mentioned, there's a torque involved with sways, so the farther out from the center, the more work the tube does. You can use a larger hollow bar to increase the spring rate of the sway bar, without adding additional weight
**Photobucket sucks**
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