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Tech & Fab
Air shock / coilover / anti rock bar help question????
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<blockquote data-quote="Ragged" data-source="post: 261644" data-attributes="member: 4158"><p>IMO it looks like the air shocks are mounted too low for your four link. With your set up the shocks can really only travel down so as the truck articultes your four link is trying to 'screw' the diff under the truck. If you had shorter coil-overs (or 16s mounted higher) you could dial in more uptravel, keep your ride height AND your link geometry would work far better as it articulated. Another way to look at it: as your rear diff articulates now the diff gets further away from the truck, like driving a truck with 1" of lift and changing to 12" as it articulates: far less stable. (Your roll axis gets further away from your centre of gravity). </p><p></p><p>If you look at a well build Bouncer or Crawler (or a standard 4wd) from the front or back while it articulates you will see the centre of the diff doesn't move much while the wheels move a lot (this is good), with yours it looks like one wheel doesn't move at all, the diff centre moves alot and the other wheel moves a huge amount. Oil volume, coil-overs in the same spot and sway bars wont fix this. A limit strap would help a little but you will only get a tiny amount of travel. </p><p></p><p>I think your options are either change your air shock mounts and four link geometry or get shorter coil-overs. It's hard to see what your anti-squat % would be like from the pics so I can't comment if that's part of the problem.</p><p></p><p>Hope that helps.</p></blockquote><p></p>
[QUOTE="Ragged, post: 261644, member: 4158"] IMO it looks like the air shocks are mounted too low for your four link. With your set up the shocks can really only travel down so as the truck articultes your four link is trying to 'screw' the diff under the truck. If you had shorter coil-overs (or 16s mounted higher) you could dial in more uptravel, keep your ride height AND your link geometry would work far better as it articulated. Another way to look at it: as your rear diff articulates now the diff gets further away from the truck, like driving a truck with 1" of lift and changing to 12" as it articulates: far less stable. (Your roll axis gets further away from your centre of gravity). If you look at a well build Bouncer or Crawler (or a standard 4wd) from the front or back while it articulates you will see the centre of the diff doesn't move much while the wheels move a lot (this is good), with yours it looks like one wheel doesn't move at all, the diff centre moves alot and the other wheel moves a huge amount. Oil volume, coil-overs in the same spot and sway bars wont fix this. A limit strap would help a little but you will only get a tiny amount of travel. I think your options are either change your air shock mounts and four link geometry or get shorter coil-overs. It's hard to see what your anti-squat % would be like from the pics so I can't comment if that's part of the problem. Hope that helps. [/QUOTE]
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Air shock / coilover / anti rock bar help question????
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