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post #1 of (permalink) Old 05-15-2002, 09:44 PM
monty
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missing links or 3/4 elip

Hello
Has anyone done a 3/4 eliptical susp set up on the rear of there zuk ? If so how was it ? I am trying to decide weather to do that or missing links all round ? Any thoughs
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post #2 of (permalink) Old 05-15-2002, 10:28 PM
 
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Re: missing links or 3/4 elip

monty - not a Zuk, but the attached pic is the 3/4 liptic rear under my 80" wheelbase Series One Rover, which is originally about the size of an SJ 410. I actually extended the wheelbase to 92" when I added the 3/4 liptic, and went to 62" mains, and 24" inverted packs. as you can see from the pic, I used 'free' arch at rest so there's some compression in the inverted pack on bumps. I 'd experimented with missing links, etc, but found them noisy, and too abrupt on-road, especially on bad washboard, and 'ungraded' gravel roads. You can always lock the missing lnks out, but 3/4 liptic you get all the benefits without havign to worry about it.

ride, and handling ( with wishbone locating link) were incredibly good for a short wheelbase rig. flex is unreal.

chris
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post #3 of (permalink) Old 05-16-2002, 09:24 AM
monty
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Re: missing links or 3/4 elip

Did you ever run it without the wishbone link ? how was it . This would be a trailered rig so on road ride is not important .

Monty
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post #4 of (permalink) Old 05-16-2002, 09:56 AM
 
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Re: missing links or 3/4 elip

the wishbone was to make it legal'. I set it up so that the wishbone was the same length from axle center to frame as the main leaves at static ride height, which helps pottn the carrier at the t-case when the suspension droops.

on-road it made a big difference, especially on cloverleafs, and on-ramps, where you can build up some lateral g-force. 0ff road, it doesnt effect the flex at all, but does give better control on side hills, and prevents axle wrap.

I'll see if I can dig you up a pic of the wishbone - the way I set it up, the wishbone simply had a 1" rod coming out the end of it, while the axle housing had a massive spherical rod end (heim joint), as did the frame ends of the wishbone.

chris
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