Home made traction bars question
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Fleet Mechanic
Joined: Apr 2011
Posts: 1,441
Likes: 6
From: Marseilles IL
Home made traction bars question
Im looking for opinions and technical knowledge. I bought my truck with stacked blocks.We all know how safe that is. So I am making a set of 5 1/2" blocks with traction bars. Similar idea as OUO. I am trying to use stuff I have lying around to keep the price low. My question is, for the long bars, aproximatly 62" long. Would DOM 1 3/8" OD tubing with 1/4" wall thickness be strong enough? It seems to me that most of the force will be push pull. This tubeing seems to be plenty strong. I really don't know how strong it needs to be. Thank You!
Elder User
Joined: Feb 2006
Posts: 765
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From: Eastern Ohio
The tubing seems plenty strong for that. What I would concerned with is mounting it on the block. If your running a single bar, It seems that you would just be adding a pivot point for the axle to wrap on. It would also put alot of stress on the u bolts and centering pin. I've seen a D60 center section break lose and spin on the tubes with a SBF and 39.5's and low gears, so don't under estimate the amount of force involved when building brackets.
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Fleet Mechanic
Joined: Apr 2011
Posts: 1,441
Likes: 6
From: Marseilles IL
I plan on two bars one on each side. I plan on attaching the bars to the block. The blocks are made from 3"x5"rectangle 1/4" wall DOM tubing with 3/8" plate for the block top and bottom. The u bolts are going through the bottom plate for extra strength. I also plan on making a gusset to the axle tube for even more strength. My friends wife's jeep spun the housing on a corporate 14 bolt running 39.5 boggers with 4.11 gears turbo 350 and a stock Chebby 350 motor. I do know there is lots of torque there. I don't beat on my truck and I only have 285 75 16 At tires so I would think I will not be spinning the housing. I hope!
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