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post #1 of (permalink) Old 06-26-2006, 12:28 PM Thread Starter
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Rear Leaf Spring Mounts

I have started on the rear Spring swap on my 74 CJ5 (CJ for YJ)

I had to cut off the old narrow mounts and put my wider homemade mounts on. I have the drivers side done, If I can get a break in the weather I will be able to weld on the Passenger side mounts.


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post #2 of (permalink) Old 06-26-2006, 01:29 PM
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Re: Rear Leaf Spring Mounts

Mike, will there be any triangular bracing for the horizontal down piece? There are a heck of a lot of sheer forces that will be applied to the mount. I'd be worried on the weld holding up to those forces.
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post #3 of (permalink) Old 06-26-2006, 01:43 PM
 
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Re: Rear Leaf Spring Mounts

That's what I thought a first also, until I took a good look.
He's using a 'U' shaped piece to hold the spring 'Eye'.
Should be tough as an anvil!
(A gusset in the 'Front' couldn't hurt anything...)

I'm getting ready to do the same thing to my CJ-5, but I'm using aftermarket CJ-7 springs...

I'm worried about the spring mount to frame connection.
The factory frame is certainly noting to brag about!
I believe I'd brace up the frame a little more while I had the welder out the next time!
I might put some frame to mount side loading gussets in either...

Couldn't hurt!

I have a set of factory CJ-7 mounts I'm using as a Template to build some decent mounts.
Side of the frame support will be mandatory.
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post #4 of (permalink) Old 06-26-2006, 09:12 PM Thread Starter
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Re: Rear Leaf Spring Mounts

I do have 2 triangle pieces that I cut out, I'll put them on tomorrow. One will go on the frame in the middle. That should help when there is twisting of the frame.

And they are a bit stronger than stock.
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post #5 of (permalink) Old 06-27-2006, 09:10 AM
 
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Re: Rear Leaf Spring Mounts


I was looking into 'C' channel for making mine, but I like the looks of that 'U'...
Really strong and relatively easy to do.
(Consider your idea stolen! [img]/ubbthreads/images/graemlins/shocked.gif[/img] )

I'm with LEVE on this one.
I think there is tremendous side loading forces on that bracket, and I think it should probably have some lateral stability added...

Your idea incorporates pretty good protection for the spring 'eye' also.

I always wonder what the 'Snag Factor' is on anything that faces down...
(I'm REAL GOOD at getting hung up on snags!)
Maybe round off the sharp corners a little so ever piece of old fencing, ancient car part and tree limb in two counties doesn't follow me home! [img]/ubbthreads/images/graemlins/mad.gif[/img]

What are you doing for shackle hangers?
I'm not crazy about CJ-7 later model hangers with the holes drilled in them.
I've seen several broken just beyond the rivet mounts, broken through the big hole...

I've got an idea about a piece of box tubing with a piece of round tubing welded in for the shackle bolt gusset, but I'm not sure...
I'd really like to do this ONLY ONCE, and if that means over building it, so be it!

Wonder what LEVE has for an idea on shackle hangers?
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post #6 of (permalink) Old 06-27-2006, 10:02 AM
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Re: Rear Leaf Spring Mounts

[ QUOTE ]
...Wonder what LEVE has for an idea on shackle hangers?

[/ QUOTE ]

I like the Warrior product,



but it doesn't go far enough and I don't like the punched out, folded up tab.

I'd do a couple of things... I'd make the rear hanger similar to the OEM rear spring front hanger. I'd use 1/4" plate and make it in an "H" configuration. The top of the "H" would be about 5" top 6" wide, to spread the load along the frame. I'd slide the hanger into place on the frame and seam welded it to the frame. Bolts to the OEM nuts inside the frame would not be required, but would not hurt a thing. The bottom of the hanger would be rounded. That way the Jeep can slide over most of the obstacles rather that snag and catch them.
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post #7 of (permalink) Old 06-27-2006, 12:06 PM
 
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Re: Rear Leaf Spring Mounts


LEVE, that Warrior product is VERY close to the factory mounts I took off the CJ-7!

I'd like to see more support to the sides of the frame also.
The 'H' frame idea is a good one.
I'll have to grind it over in my pea brain a while!

Any good ideas for the shackle end mount?
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post #8 of (permalink) Old 06-30-2006, 06:09 AM Thread Starter
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Re: Rear Leaf Spring Mounts

I got the reinforced side pieces in and I finished the shackle end mount also. It is similar to the CJ mount just larger. I have to trim and round of the edges of the shackles and they will be ready for paint.



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post #9 of (permalink) Old 06-30-2006, 08:33 AM
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Re: Rear Leaf Spring Mounts

[ QUOTE ]

I always wonder what the 'Snag Factor' is on anything that faces down...
(I'm REAL GOOD at getting hung up on snags!)


[/ QUOTE ]

I've wondered about using YJ rear hangers to help with the 'Snag Factor'. Enlarge the picture, it is #4.

http://www.4wd.com/newsite/shop/prod...p?pid=52040320
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post #10 of (permalink) Old 06-30-2006, 10:23 AM Thread Starter
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Re: Rear Leaf Spring Mounts

I actually made these in a machine shop. and welded everything together.
I made them to incorporate my poly bushings.

I'll see if I can get something closer.
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