radius arm drop and extension

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Dec 23, 2005 | 09:31 AM

god.boots

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radius arm drop and extension

Ive been working on this project for my 67 f100, its a 2wd, but since 4wd's have coils as well I thought id post it here. I got the 10.5" extensions from bent and twisted, painted the arms, then made a made a drop bracket(caster was way off because of 4" lift coils), that welded up to my stock one. Its made out of 1/4" plate, and 2.5"x2.5" square tube. All I need to do is drill a hole in the bottom part of the frame so the bracket is bolted in from underneath, not just the side. Then paint it. After I get back from vacation Ill do the same to the other side.

http://img.photobucket.com/albums/v6...1/P1010009.jpg
http://img.photobucket.com/albums/v6...1/P1010010.jpg

more pics of the drop before being welded to stock bracket are in my gallery.

Last edited by IB Tim; Dec 24, 2005 at 06:01 AM.

Dec 23, 2005 | 02:24 PM

Oval_obsessed

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From: Dixon, Il

I have been wondering if anyone had started making something like that. $120, not sure if that is too crazy or not price wise. Is the inside of the tube treaded or does it just slip inside?

Dec 23, 2005 | 02:32 PM

god.boots

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just slips over your old arm.

Dec 23, 2005 | 07:38 PM

KubotaOrange76

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From: GA

i dont know if its just a 4x4 ting because of the tension forces, but all the 4x4;s ive seen with that radius arm setup ends up bending them or tearing at the welds, they usually need more reinforcement around that area...just trying to help!

Dec 23, 2005 | 07:45 PM

god.boots

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are you talking about were the extension welds on? Yea I could imagine them tearing, or even bending. I went and spot welded mine on as well. Im not going to be wheeling this truck hard at all (its a 2wd) but I will see what it can do after I get my rear axle locked, and finish all the other stuff that it needs doing.

Last edited by IB Tim; Dec 24, 2005 at 06:01 AM.

Dec 23, 2005 | 08:07 PM

bremen242

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From: GANS

Quote:

Originally Posted by god.boots

A lot of people actually plate the entire arm with 1/4" plate (including the extentsion) and weld the heck out of it.

Dec 23, 2005 | 11:28 PM

74 F100 351m

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From: Okla.

If you look at the 78 in my gallery you will see that I didn't extent mine I just made them drop.

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Dec 24, 2005 | 01:02 AM

74 F100 351m

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From: Okla.

It would not limit the down traval, but would it limit the up traval? And are you going longer?

Dec 24, 2005 | 01:17 AM

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chrono4

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From: Elkhart IN

well not exactly limit, just would give the axle less leverage on the bushings. i think im going to offset the brackets towards the outside of the frame rail, and go with a long straight arm, so when it compresses i dont have and mangling issues. this is all asuming that i dont use the leaf sprung 44 sittin out back, withch on the this truck, im not looking for flex, so it will do just fine. but on the bronco, i think im gonna go with the longer arms like said.

Dec 24, 2005 | 01:32 AM

#11

74 F100 351m

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From: Okla.

If you outwords with the arms you would limit your turning, cause the tires would hit them. But the bronco's is a short so it still will turn ok.

Dec 24, 2005 | 01:36 AM

#12

chrono4

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From: Elkhart IN

didnt think about that, not to mention, wouldnt it also limit flex? how bout mounting them inside the frame rails?

Dec 24, 2005 | 02:00 AM

#13

74 F100 351m

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From: Okla.

If you could stay away from the diveshaft it should be ok. My 78 f250 doesn't have much room there.

Dec 24, 2005 | 09:41 AM

#14

god.boots

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yea longer arms = better flex. here is a side shot before I put the braket on, Im using rancho coils.

http://img.photobucket.com/albums/v6...1/P7120044.jpg