Duramax Diesels Forum Truck of the Week
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Old 10-09-2018, 08:43 PM
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Default Traction bar questions

What bushings are you guys using when you build your own ladder bar/ traction bars.


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Old 10-09-2018, 08:53 PM
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What bushings are you guys using when you build your own ladder bar/ traction bars.


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Spring eye bushings from a 80s Chevy 1.5”. Autozone
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Old 10-10-2018, 05:39 AM
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Spring eye bushings from a 80s Chevy 1.5”. Autozone


Thanks. Are you using DOM or regular pipe? 1/4inch?


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Old 10-10-2018, 07:51 AM
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Thanks. Are you using DOM or regular pipe? 1/4inch?


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I’ve used both. Last set I built for myself were chromoly .250 wall.
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Old 10-10-2018, 08:24 AM
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I’ve used both. Last set I built for myself were chromoly .250 wall.


Ladder style?
Thanks for the info.


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Old 10-10-2018, 09:43 AM
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Ladder style?
Thanks for the info.


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Yep. 60” bars
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Old 10-10-2018, 10:08 AM
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if you use chromoly, 1.75" OD .120 wall is plenty. If you want to use DOM (would not used HREW), you need to use .250 wall in 1.75 or larger OD.

i wouldnt go much below 1.75" if you sled pull BUT i have yet to hear of the 1.5" .120 wall chromoly ones i built guys years ago ever bending. DOM is much weaker than chromoly, thus needs the .250 wall min but damn will they be heavy. I warned a few people about going thinner than that on DOM and they found out the hard way when it tacoed. .188 wall would work on a street/strip truck but i wouldnt use it on a sled puller.

personally, for the few bucks more and half the weight, id go chromoly .120 1.75" stuff.

bushings you can get at ruffstuff, ballistic fab, daves 4x4, polyperformance and a bunch of other places. make sure the bushing sleeve is .250 wall and id run a 9/16" bolt at min. dont go delrin, it will not flex and you need flex.
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Old 10-10-2018, 10:52 AM
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One end needs to flex
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Old 10-10-2018, 04:21 PM
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One end needs to flex


What do you mean. I plan on building ladder style. 2 points on rear diff one on frame. All points of contact to have bushings.


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Old 10-10-2018, 04:47 PM
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Only one end need to be able to articulate for axle moment
Like so... principle wise..
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Old 10-10-2018, 06:04 PM
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Quote:
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What do you mean. I plan on building ladder style. 2 points on rear diff one on frame. All points of contact to have bushings.


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Ooohhh you HAVE to have some sort or shackle or slider in place at the frame mount then. That’s a triangulated axle wrap bar that you are talking about. Just bushing or joints won’t be enough and it will cause a real crappy ride as well as a ton of bind if no shackle or slip is in place
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Mike L is my role model. I want to be like him when I grow up.
James

02 LL7 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

motor died/bent rods = 3/11/11
back from the dead 7:04pm 4/9/2012

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Old 10-10-2018, 06:50 PM
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Old 10-10-2018, 07:24 PM
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If it's a pavement princess it doesn't matter


If he likes his back it will lmao
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Quote:
Originally Posted by JoshH View Post
Mike L is my role model. I want to be like him when I grow up.
James

02 LL7 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

motor died/bent rods = 3/11/11
back from the dead 7:04pm 4/9/2012

Limo is back in the garage, now driving a built chevy tracker
Tailgate Crew Member #4
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  #14  
Old 10-10-2018, 07:31 PM
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Default Traction bar questions

Quote:
Originally Posted by Chevy1925 View Post
Ooohhh you HAVE to have some sort or shackle or slider in place at the frame mount then. That’s a triangulated axle wrap bar that you are talking about. Just bushing or joints won’t be enough and it will cause a real crappy ride as well as a ton of bind if no shackle or slip is in place


Never seen one with a shackle. If it’s a single bar. One contact on each end it isn’t a ladder style. And would still be relying on the leaf to act as the upper control. Wouldn’t having the shackle defeat the purpose? It would have to be done as to have constant tension or you’d still get wrap till everything hit limit.
If it will ride like shit with that I am just gonna build a normal straight trac bar. Just heavier then what I was planning.


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Last edited by Henry95; 10-10-2018 at 07:54 PM.
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Old 10-10-2018, 07:33 PM
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Quote:
Originally Posted by malibu795 View Post
Only one end need to be able to articulate for axle moment
Like so... principle wise..


With one end being a hiem wouldn’t it cause wear a lot quicker and you’d feel it more then a rubber bushing?


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