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Old 05-09-2011, 07:59 AM   #1
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radius arm suspension?

I'm a newbie here from michigan wanting to build a 4x4 van. I recently did a 4x4 swap to my 2wd ranger with a Dana 30 and leafs so I feel up to the task. I was thinking of using a 79 bronco d44 with the bronco radius arms but haven't found anyone else who's done that and was wondering if there is some reason I'm not aware of. I know that setup swaps into an independent ford f series pretty easily and can't see why it wouldn't go as easy on a van. I figured id ask you guys with experience why this isn't a common swap as I see most guys going leafs.

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Old 05-09-2011, 01:45 PM   #2
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Re: radius arm suspension?

My guess is the van is way heavier, s.t. it's not a great idea. Once you get everything customized for the increased weight, you might as well have done something from a 1 ton. But hey, be pioneering, I'm not that familiar with radius arms to say it's a bad idea. has a lot of decent info, and there are some other random pages out there about 4x4 donor/swaps on vans.

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Old 05-09-2011, 04:56 PM   #3
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Re: radius arm suspension?

What is a Dana 44 front axle rated for? My van has almost 5000# on the front axle. I feel more comfortable with a Dana 60 under it. Even a an E150 will have more weight on the front than a Bronco.

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Old 05-09-2011, 07:53 PM   #4
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Re: radius arm suspension?

QuadVan used to only do the D44/D50 IFS 4x4. However, they don't offer it anymore, because the current SuperDuty setup has more capacity, and is more reliable.

Clydesdale 4x4 in BC still does IFS 4x4. But i think max FAWR is 3400 pounds which is too light for many of the E350 setups out there.
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