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Full Width SAS on '90 Danger the 4th


your flex problem is the radius arm set up on the front, the way the radius arms are attached to the axle from the factory pretty much makes the front axle
a huge sway bar, i would ditch the idea about longer radius and just build a 3 link, one upper and 2 lowers, and your track bar, that should give you all the flex you will need and then some...

A lot of people run wedge style arms and have plenty of flex, and still streetable.

My arms are only 36" or so with wedgies on one end and Johnny Joints on the other and I flex pretty decent. My shocks are my limiting factor.

-PlumCrazy
 
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your flex problem is the radius arm set up on the front, the way the radius arms are attached to the axle from the factory pretty much makes the front axle
a huge sway bar, i would ditch the idea about longer radius and just build a 3 link, one upper and 2 lowers, and your track bar, that should give you all the flex you will need and then some...

Were you dropped as a child?

465917_307_full.jpg


465917_308_full.jpg


Radius Arms FTMFW
 
I knew my wedges were not the issue lol. Nice shots. It has to be how my arms are mounted to my frame
 
I knew my wedges were not the issue lol. Nice shots. It has to be how my arms are mounted to my frame

Yup. I swapped from the doughnut style bushing to Johnny Joints and nearly doubled my travel numbers.lol

-PlumCrazy
 
Thought you all would like that. My ranger had the same problem. Lots of binding at the axles. The reason is the mounting points at the frame. Ballsacktic joints bring the suck, short arms bring the suck, and bushings at the frame suck. Rod ends or Johnny's out back, poly wedgies, and bam! You have that shit up there
 
Quote:
Originally Posted by GOODOLEBOY84 View Post
your flex problem is the radius arm set up on the front, the way the radius arms are attached to the axle from the factory pretty much makes the front axle
a huge sway bar, i would ditch the idea about longer radius and just build a 3 link, one upper and 2 lowers, and your track bar, that should give you all the flex you will need and then some...

Were you dropped as a child?

as i said the problem is the way the radius arms are attached to the axle and frame is the problem, there is no doubt that longer arms with flex joints will help that but with a 3 link you get a lot more benefits,

1: a lot less pinion angle change
2: you don't get the front wheel hop that radius arm cause when your front tires are spinning
3: stress from the axle to the frame is spread out over 3 arms instead of 2

but thats just my opinion, no need to insinuate that im stupid. :D

try this hold a peice of pipe in front of you with both hands holding the pipe no try to hold your wrist still and arms still you will find that the pipe will try and twist in you hand, the 3 link gets rid of that natural bind caused by the radius arms....
im done, like i said its my opinion just like you have yours
:icon_cheers:
 
look at that last pic and look at the pinion to driveshaft angle you will see what
im talking about...
and i think that guy needs a better coil spring retainer that one is not working so well:icon_thumby:
 
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3 link still only mounts to the frame in 2 locations. I have never had a an issue with wheel hop with my setup either.

-PlumCrazy
 
as i said the problem is the way the radius arms are attached to the axle and frame is the problem, there is no doubt that longer arms with flex joints will help that but with a 3 link you get a lot more benefits,

1: a lot less pinion angle change
2: you don't get the front wheel hop that radius arm cause when your front tires are spinning
3: stress from the axle to the frame is spread out over 3 arms instead of 2

but thats just my opinion, no need to insinuate that im stupid. :D

try this hold a peice of pipe in front of you with both hands holding the pipe no try to hold your wrist still and arms still you will find that the pipe will try and twist in you hand, the 3 link gets rid of that natural bind caused by the radius arms....
im done, like i said its my opinion just like you have yours
:icon_cheers:

:icon_cheers:
Wedgies are not the problem. Its the mounts at the frame. If you use a 3 link with the same frame mounts, you will get the same thing.

look at that last pic and look at the pinion to driveshaft angle you will see what
im talking about...
and i think that guy needs a better coil spring retainer that one is not working so well:icon_thumby:

That's because he is driving a jaheep.

3 link still only mounts to the frame in 2 locations. I have never had a an issue with wheel hop with my setup either.

-PlumCrazy

3 link does mount to the frame in 3 different locations. Same here with wheel hop
 
I was under the impression that a the third link simply connected the lower link to the axle to keep it from rotating.

-PlumCrazy
 
I was under the impression that a the third link simply connected the lower link to the axle to keep it from rotating.

-PlumCrazy

Negative Johanson.....

zyqatadu.jpg


ynezyhab.jpg


3 link with a track bar.
My pictures suck so if'n you want better, ill have to take some tomorow.
Edit: the top link is to control axle wrap.
 
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I see. I stand corrected.

-PlumCrazy
 

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