Wristed radius arm.
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From: Indiana
Wristed radius arm.
What can you guys tell me about wristed radius arms? A guy told me that you only need the one for the passenger side to free up the front end. Is that right?
Will a wristed arm make it flex that much more?
Any pros and cons?
Will a wristed arm make it flex that much more?
Any pros and cons?
Its Comin Right for us!
Joined: Feb 2005
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From: GA
yes, it will flex MUCH more, i have some before and after pics of flex somwhere. pros are much more flex off road, cons are more strain on the axle housing, because only the driverside handles the axlewrap when the amr is unpinned, also it handles a little funny on the road unpinned.
if i was running a radius arm/coil front my passenger side arm would be wristed
if i was running a radius arm/coil front my passenger side arm would be wristed
Lead Driver
Joined: May 2000
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From: Senoia, GA
wristed radius arm makes all the difference in the world! i am about to do the on on my bronco, just waiting on my drill press to get here so i can try it out wioth this project 
the only con to it is the work. plenty of people run the wristed arm unpinned on the street and can't tell a difference.
you have to wrist the pass side arm though... if you were to do the driver side then when you started to flex out you would undoubtedly pull your driveshaft apart AND the angle would be WAY off causing serious bindage
if you search google you get lots of pics if you select "Images" up top from the google search page
-cutts-
the only con to it is the work. plenty of people run the wristed arm unpinned on the street and can't tell a difference.
you have to wrist the pass side arm though... if you were to do the driver side then when you started to flex out you would undoubtedly pull your driveshaft apart AND the angle would be WAY off causing serious bindage
if you search google you get lots of pics if you select "Images" up top from the google search page
-cutts-
Hotshot
Joined: Oct 2002
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From: The Big, Oregon
The problem with that onroad is when you hit your brakes, all the twisting force of stopping big tires is on the driver's side diamond, radius arm, and bushing. If the weld to the axle tube isn't good, or the bushing is worn, it can twist the axle, possibly breaking the bolts on the front of the radius arm causing a total loss of control. Long shot, but I wouldn't do it on a truck I am driving on the street.
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From: Indiana
I found one pretty cheap so I think I will go for it if it stays cheap.
This will be for my Bronco which is going to be a trailer king. When it does need run on the road I will have both pins in.
This will be for my Bronco which is going to be a trailer king. When it does need run on the road I will have both pins in.
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Joined: Aug 2003
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hi. i have a extra set of radius arms and want to do this mod to my 78-79 shortbox.
do you do both arms or only the passenger one.
also do you have to install hiem joints at the drop bracket end?
do you do both arms or only the passenger one.
also do you have to install hiem joints at the drop bracket end?
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Lead Driver
Joined: May 2000
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From: Senoia, GA
if you did both arms then the first time you hit the gas with the truck in 4wd your front axle would literally roll over and come out from under the truck. it would act like you didn't have any radius arms at all
for this mod to be effective you HAVE to mod the pass side and only the pass side (on a ford... on a chevy/dodge you can only mod the driver side).
no... heims wont help any. people have experimented with joints and found that no extra flex was gained.... it was just an expensive way to eliminate bushings
-cutts-
for this mod to be effective you HAVE to mod the pass side and only the pass side (on a ford... on a chevy/dodge you can only mod the driver side).
no... heims wont help any. people have experimented with joints and found that no extra flex was gained.... it was just an expensive way to eliminate bushings
-cutts-
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Originally Posted by fishmanndotcom
if you did both arms then the first time you hit the gas with the truck in 4wd your front axle would literally roll over and come out from under the truck. it would act like you didn't have any radius arms at all
-cutts-
-cutts-
That would bite. it looks like a easy enough mod. . think i will try it.
Originally Posted by Ford_Six
The problem with that onroad is when you hit your brakes, all the twisting force of stopping big tires is on the driver's side diamond, radius arm, and bushing. If the weld to the axle tube isn't good, or the bushing is worn, it can twist the axle, possibly breaking the bolts on the front of the radius arm
i have just your run of the mill 4" suspension lifts. i do not want to go any higher . i want to keep my COG as low as i can.
will i see a signifigant increase in flex? offroad capabilaty?
is this one of those big bang for my little buck modifications?
i hope so lol
Laughing Gas
Joined: Aug 2004
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From: Roseburg, OR
I couldn't really wrap my brain around this concept so I did a Google image search for it and found this page. Of all sites, it's an Exploder forum. This guy's got some pretty decent flex goin' on.
Lead Driver
Joined: May 2000
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From: Senoia, GA
Originally Posted by Scoarch
i have just your run of the mill 4" suspension lifts. i do not want to go any higher . i want to keep my COG as low as i can.
will i see a signifigant increase in flex? offroad capabilaty?
is this one of those big bang for my little buck modifications?
will i see a signifigant increase in flex? offroad capabilaty?
is this one of those big bang for my little buck modifications?
yes you will notice a big difference! thats to say your coils are soft enough. yes this is a great bang for the buck ordeal!
-cutts-
Elder User
Joined: Jun 2005
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From: fallon nv
Ive not herd of wristed raidius arms before.Out here we have twister arms and they swivel,and are used with ''wristed axels" to gain flex.
I have this setup on my rig and it works great,is this setup that you guys are talking about move up and down? You guys mentioned pins, my set up requierd no pins and i have them on both arms.
I have this setup on my rig and it works great,is this setup that you guys are talking about move up and down? You guys mentioned pins, my set up requierd no pins and i have them on both arms.
Lead Driver
Joined: May 2000
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From: Senoia, GA
Elder User
Joined: Jun 2005
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From: fallon nv
Thanks fishy ,now i know.Ive seen this setup but thougt it was some shade tree idea that the owner of the rig had.
My setup is completly different.Il try to find some way to get pics up to show you guys.My computer does not like to cooperate.
My setup is completly different.Il try to find some way to get pics up to show you guys.My computer does
not like to cooperate.