How much Bump Stop?
I'm still working on the DPG Ultimate Kit. I've got rear 2" AND 20mm Bump Stop Spacers. Do I need one or the other, or both?
'06 "X" Wrangler SWB
2" OME Coils and HD Shocks
ADJ Track Bars
JKS 1.25" BL and 1" MML
I know what they do, I don't know how to go about telling which to use.
Need to know what size tires you are running :)
that depends on the length of the shocks.
with 2" lifts shocks are normally 1" longer than stock if they are fully compressed. that's why you need 1" extended bumpstops with them. otherwise the shocks would work like bumpstops when the are fully compressed. that would damage them quickly.
the things above are only right if you use stock shock mounting points. some people relocate them to get maximum flex. but that´s expensive and a lot of work.
if the tires are rubbing under the fenders when the jeep is flexing you can lenghten the bumpstops much more to avoid that.
I used the stock mounting points. If I jack the Jeep up by the axle, should I be able to tell if tires/bumpstops hit, or will jacking it up not bottom it out?
To correctly find the length of your bumpstops, you need to remove the springs with the vehicle supported by the frame.
Reinstall the shocks and then jack up the axle. You want your stops to hit about 1/2" before the shock bottoms out to allow for compression of the bumpstops.
Then install one spring on one side and move the floor jack over to the other side and jack it up. Depending on how the axle articulates, you may need to add or take away some bumpstop.
That's also a good time to slap a tire on and see how much trouble it will get into at full stuff.
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