Would coil sprung arms work for torsion bar truck? - Ranger-Forums - The Ultimate Ford Ranger Resource


Suspension Tech General discussion of suspension for the Ford Ranger.

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Old 08-20-2007
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Would coil sprung arms work for torsion bar truck?

My balljoints (lower) are shot, so I figured I might as well get it done right so I got the Moog greasable lowers. Tierod boots are busted so I got greasable tierod ends too. My uppers are the only things not messed up but they're at an unbelieveable angle so I figured I'd go ahead and do it all at once. The big question is would these arms for a coil sprung truck work on my torsion bar suspension? Fabtech makes them and here's the part
:1 FTS98100-6BJ Ranger Upper Control Arms **w/ Pre-installed Ball Joints** FT98100-6BJI

If these don't work, where can I find some aftermarket arms that are angled correctly?
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Old 08-20-2007
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The XLT/Coil sprung arms mounting areas on the lower are different then the Torsion arms. Theres a 1.5 inch difference between the 2.

Theres also the coil buckets that would need to be grafted onto the frame.

If you have acess to a welder and some form of cutter, it is possible to do.

As for correcting the arms.. Lots of luck. I'm doing it for a drop presently.

You've lifted your truck and theres not much in the ' bolt on ' world that will can be applied.
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Old 08-20-2007
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hes talking about the upper arms

I can get you some measurements of mine if you want.
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Old 08-20-2007
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Quote:
Originally Posted by nbro3232
I can get you some measurements of mine if you want.
Yeah man, just from mount to mount, bushing width, bolt center to frame. I might ask for some more a little later after some more research, but that'll satisfy me for now. Thanks for your help man.
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Old 08-20-2007
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the arms will fit the mounts. the ball joint wont match the spindle.
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Old 08-20-2007
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The Balljoint for an xlt is 0.660 inches thick on the shaft. The ones for an edge are 0.770-0.775 thick and the stopper for the spindle is in a different location ( XLT's are longer ) .

The pinch bolt is also a different size as well.

They will NOT work.
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Old 08-20-2007
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https://www.ranger-forums.com/forum2...ad.php?t=48614

Just take a look. The measurements will be correct, 11inches between the bushings and 2.010 inches per bushing.

They won't fit your spindle.
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Old 08-20-2007
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are you saying the balljoint wont fit in the spindle or balljoint wont line up with the spindle
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Old 08-20-2007
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Quote:
Originally Posted by nbro3232
are you saying the balljoint wont fit in the spindle or balljoint wont line up with the spindle
Both . I've been atthis for the last 3-4 weeks.. cutting, grinding, and have a growing stockpile of parts. Take a look in that link I posted. Theres a picture of a DJM upper arm with a balljoint on it laying ontop of a standard edge upper. Look at the pin diameters and lengths. They are totally different.

An XLT arm will bolt right in, but try and get the spindle to grab the pin. The stopper is about a half inch up from the top of the spindle and the pinch bolt and opening on the top of the spindle won't close enough to grab the pin itself. The casting of the spindle will break before its fully closed as well.

Last edited by D.; 08-20-2007 at 11:45 PM.
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Old 08-20-2007
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So what if you got a xlt spindle? would that work?
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Old 08-21-2007
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Ok, after a little more research I found that the Fabtech arms are NOT cast with the balljoints. They're just tubular arms with a hole. I'm not saying that I know this will work, but D. weren't you talking about putting Edge balljoints in those DJM uppers? How about an Edge upper balljoint pressed into the Fabtech arms. I don't have any balljoints to compare sizes to and mine right now are cast into the arms. I guess I could go bug some auto store and have them pull balljoints for me just to see if the diameters and depths are close. I'm probably just dreamin' big but someone will probably say something on here before I get back from dropping my truck at the shop.

And thanks for ya'lls help so far.
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Old 08-21-2007
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You could probably get your own arms custom made. Look over on dezert-rangers.com. There are a few guys that make them and they are not outrageously expensive.
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Old 08-21-2007
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Quote:
Originally Posted by Oh5Edge
Ok, after a little more research I found that the Fabtech arms are NOT cast with the balljoints.
What balljoints do they use then?

Quote:
They're just tubular arms with a hole. I'm not saying that I know this will work, but D. weren't you talking about putting Edge balljoints in those DJM uppers?
Ford doesn't make just a ' balljoint '. They make a whole ' upper arm assy '. Most aftermarket places sell it as all ' one piece ' as well.

I plan on using Moog 80012 balljoints.

Quote:
How about an Edge upper balljoint pressed into the Fabtech arms.
What balljoint? Whats the diameter of the fabtechs facilities for ' balljoints '. whats the inner diameter?

Quote:
I don't have any balljoints to compare sizes to and mine right now are cast into the arms. I guess I could go bug some auto store and have them pull balljoints for me just to see if the diameters and depths are close.
I spent an hour today doing the same.. Came up empty handed.

Quote:
I'm probably just dreamin' big but someone will probably say something on here before I get back from dropping my truck at the shop.
You COULD get a set of Uni-***** and custom pins for them. One of the pre-runner guys suggested it to myself when I first started my project. Its a noble thought that DOES have merit to it. Maybe they will chime in..
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Old 08-21-2007
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what-the-double-post?!?
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Old 08-21-2007
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Alright, called Fabtech directly and they said that the arms wouldn't bolt up, but whatever. I talked to two different people but neither of them could give me measurements, I only got the Moog-K8738 balljoint that they use in those arms. I guess I could call Moog and see if the moog-K8738 and the moog-K80012 have the same diameter where it mounts.
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Old 08-21-2007
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And calling MOOG directly, the guy said that those two balljoints had two different press diameters. So, that idea for me is out the window because the K-800012 is to big to be pressed into the Fabtech UCA. Now, I guess the Uni-***** with the new pins is the only other way I could still use the Fabtech arms.
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Old 08-21-2007
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Quote:
Originally Posted by Oh5Edge
And calling MOOG directly, the guy said that those two balljoints had two different press diameters. So, that idea for me is out the window because the K-800012 is to big to be pressed into the Fabtech UCA. Now, I guess the Uni-***** with the new pins is the only other way I could still use the Fabtech arms.
Look on dezertrangers, many people have drilled the spindle hole for a 3/4" uniball.
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