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Homemade Traction Bars
So I’m fabricating my own traction bars. Was wondering if anyone else has made some up too. I have read you want make them the same angle as your drive shaft. Anyone else heard anything like that? |
to what point??
traction bars are to prevent spring rap... SD using 3,4 springs.. should not rap aka the rotation of the differential.. |
I attached a camera to my frame and video taped my spring. Definitely have some pretty bad rap.
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Ford's dont wrap?, ever drive your truck on sand or snow? It makes tracks like a bulldozer....little ripples as the rear is tweaking away
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MY truck also has a 4” lifting block, which I’m told will increase wrap. In the video I made my Spring was making an S shape. When you left off the gas you can feel the spring clunk back into its normal shape. |
traction bars are a plus on a superduty....it definitely makes a difference.
becareful how they bolt to the frame....while some preload is good....too much negative preload is not |
Can you post a video of this?
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The true answer, it depends. Are they solid mount or with a shackle? Adding any lift block will make axle wrap worse since there is more leverage against the springs. Unless you know what you're doing best bet is to mimic a commercially made set. Most common problem usually is use of solid mounts and something breaks since the suspension will eventually bind.
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I am copying longhorn fab traction bars. Using third links from a tractor three point hitch for the rod ends and 1 1/2 pipe for the bars. |
Originally Posted by Obs7.3Powerstroker
(Post 17790266)
I am copying longhorn fab traction bars. Using third links from a tractor three point hitch for the rod ends and 1 1/2 pipe for the bars. |
Originally Posted by projectnitemare
(Post 17790692)
That's where you are going wrong. I use dom for anything suspension related. Sure, structural steel pipe is strong; that debate has raged on for ages. I have yet to find threaded bungs for pipe. If you're going to use pipe, you need sch 80 for a 6 foot bar like you are looking to make. For a traction bar using pipe wouldn't be a crime but using those garage tractor links is. Use real rod ends, not the hitch links, they don't last.
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Originally Posted by Obs7.3Powerstroker
(Post 17792442)
what is dom? Drawn Over Mandrel It's a type of tube that doesn't have a weld seam like pipe does. Much stronger for the weight than pipe. |
Does anybody know how much the bars should be pre-torqued? |
Since you're wanting to use heim joints (the ends off a top link for a tractor 3-point hitch) for your ends, what are you going to install that will allow some "give"?
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Not the way I have it set up right now. How would you make it so it has some give?
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