How is everyone correcting coil spring arch?

The bow isnt hurting anything. If it really bothers you, you can remove the upper perch by cutting the welds around the tabs and move it into the center of the frame arch.
 
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The reason people move the upper mount is to make the bump stops line up again after a sizeable spring lift and raised skid. The spring just happens to get straightened out as a result.
 
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dbbd1 said:
There are also coil correction plates.
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Also an option, but the downside is they provide a small amount of additional height which then alters your shock travel. To correct it you need to change your shocks again, or buy shorter coils.
 
tworley said:
Also an option, but the downside is they provide a small amount of additional height which then alters your shock travel. To correct it you need to change your shocks again, or buy shorter coils.
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Yes, the domino effect...
 
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jjvw said:
Raising the pinion
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Almost, the bow is exacerbated when the pinion is raised but the spring is bowed somewhat from the factory due to the tilted upper perch. It is when the lower is tilted the opposite direction by raising the pinion that the bow gets more noticeable.
 
mrblaine said:
Almost, the bow is exacerbated when the pinion is raised but the spring is bowed somewhat from the factory due to the tilted upper perch. It is when the lower is tilted the opposite direction by raising the pinion that the bow gets more noticeable.
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That is Jeep’s way of a variable spring rate correct? Or something along the lines of using the same spring in multiple vehicles I can’t recall.
 
BuildBreakRepeat said:
That is Jeep’s way of a variable spring rate correct? Or something along the lines of using the same spring in multiple vehicles I can’t recall.
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There is really no other reason to do it that way and they combined the tilted perch with a real progressive rate spring. Unlike progressive wound that the aftermarket lies about by calling it rate instead of wound, the Jeep version is done the only way it can be done, the wire is fatter in the middle than it is at the ends.
 
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