DIY radius arms modification
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DIY radius arms modification
I will do 2" suspension lift to my 89 Bronco. I am planning to make my own extended radius arms from original arms. I will move original bracket 5-7" backwards, and bend little bigger curve to arms to get my tires (33/12.5) turn more. I Think i vill do boxing to arms also. Where is weakest place in original arms, and what else i should know?
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From: Gateway to the West
The OEM radius arms for 1980 and newer Broncos consist of a stamped forward section with a large diameter threaded rod welded to the aft end of the arm. If you are only going up 2" with the lift you won't see much gain for the trouble you will go through fabricating extended/modified stock units. The weakest point of the OEM arms is the stamped forward end at the narrowest part of the steel which would be the tabs that cradle the axle housing. You would almost have to start over. There is no place on the OEM arms to gain any length without sacrificing the structural integrity of the arms themselves.
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I am going to remove old treaded rod from arm and fabricate longer rod from larger diameter. I have lathe and other needed tools in my work shop. Main reason to this modification is to get my front wheels to turn as much as original size and also get caster to original position.
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