XR observations

[Mocopo]

I'm sure everyone who said this is 100% correct. But can someone help explain to me how this works.

The 1" spacer will give me more up travel, but take away the exact same amount of droop, so I'm just trading droop for up travel, which sounds like a good deal.

But if I put 37"s on the jeep, how do the 37's, with no 1" spacer, give me more uptravel ?

I'm having a hard time wrapping my head around it. .

Putting 37s on it will not give you more up travel, it will technically be the same up travel. The only way to increase up travel is to shorten the bump stop. What people are saying is that with the current up travel/bump stop, the 35 is not yet fully stuffed, which means you have room to fit a bigger 37" tire without having to change anything.

Also, I'm sure the reason people are getting confused is because when someone says "available up travel," are they referring to the travel before you hit the bump stop or before you hit the fender... because the bump stop distance does not differ for different size tires, but the fender clearance will. I would argue the correct way would be to refer to the bump stop.

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[191185]

Putting 37s on it will not give you more up travel, it will technically be the same up travel. The only way to increase up travel is to shorten the bump stop. What people are saying is that with the current up travel/bump stop, the 35 is not yet fully stuffed, which means you have room to fit a bigger 37" tire without having to change anything.

Also, I'm sure the reason people are getting confused is because when someone says "available up travel," are they referring to the travel before you hit the bump stop or before you hit the fender... because the bump stop distance does not differ for different size tires, but the fender clearance will. I would argue the correct way would be to refer to the bump stop.

With 37's the bump stop distance is the exact same, and the 37 gets "closer" to the fender. - got it.

When I install the 1" spacer, do I actually gain bump stop distance? do I remove anything, or just install the spacer ?

I better go watch some youtube videos and try to understand this better lol.

 

[Mocopo]

With 37's the bump stop distance is the exact same, and the 37 gets "closer" to the fender. - got it.

When I install the 1" spacer, do I actually gain bump stop distance? do I remove anything, or just install the spacer ?

I better go watch some youtube videos and try to understand this better lol.

EDIT: I said it wrong at first.... YES you increase your bumpstop distance when you add a 1" spacer. Technically you also increase your amount of available downtravel before you overextend the spring, but that is limited by the shock travel anyway (sorry if that just added confusion).

All you would need to do is add the spacer, nothing to be removed (you do need to take the spring out to get the spacer in though).

 

[Craigger]

I'm sure everyone who said this is 100% correct. But can someone help explain to me how this works.

The 1" spacer will give me more up travel, but take away the exact same amount of droop, so I'm just trading droop for up travel, which sounds like a good deal.

But if I put 37"s on the jeep, how do the 37's, with no 1" spacer, give me more uptravel ?

I'm having a hard time wrapping my head around it. .

I think you're overthinking this. A 1" spacer is basically just adding pre-load to the spring. That's all. Does nothing to the amount of up-travel (assuming you're not fully compressing spring).

 

[Herson]

Craiger was/is correct. A one inch spacer from Teraflex pretty much solves this problem. I just installed it and gained about 1 1/4 to 1 1/2 inches of bump stop space. Shock length is also 1.5” longer now. I just took all the bumps/dips around town that I’d bottom out on and it was just fine.

Am I still going to waste 5 grand and put a 3 inch lift on and some remote reservoir shocks…..yes. I want better flex on the trails.

Item number from Teraflex for the spacers is 1155100.

Here is mine. Rubicon 2.0 with 392 suspension. I didn’t measured it but it is at least 5-6” if not more. I can’t imagine having that short upward travel.

 

[stumblinhorse]

With 37's the bump stop distance is the exact same, and the 37 gets "closer" to the fender. - got it.

When I install the 1" spacer, do I actually gain bump stop distance? do I remove anything, or just install the spacer ?

I better go watch some youtube videos and try to understand this better lol.

I doubt if you wheel much you won’t rub 37s.

but to answer your question. A bump stop is actually what its name suggests. when you hit a bump it stops your travel. It is there to protect the suspension, fender and tires. A spacer goes on top of the spring and as said increases your lift/ride height. Travel or articulation is limited; up by the bump stop and down by the shock length(extended). Too long of shock your spring falls out. Bump stops too short your shock fully compresses or you rub. Too long of a bump stop only is an issue with the ride and the abrupt “bump”. Too short of a shock again will limit your down travel which means wheel off the ground off roading. It is all a balance. One that seems they didn’t do that well with the XR…

and ps. I would never do a spacer. IMHO there are so many far superior aftermarket springs for a little bit more money. Get those. You have already done the same amount of work by removing the stock spring to install a spacer. Why put it back in there?

 

[Mocopo]

I doubt if you wheel much you won’t rub 37s.

but to answer your question. A bump stop is actually what its name suggests. when you hit a bump it stops your travel. It is there to protect the suspension, fender and tires. A spacer goes on top of the spring and as said increases your lift/ride height. Travel or articulation is limited; up by the bump stop and down by the shock length(extended). Too long of shock your spring falls out. Bump stops too short your shock fully compresses or you rub. Too long of a bump stop only is an issue with the ride and the abrupt “bump”. Too short of a shock again will limit your down travel which means wheel off the ground off roading. It is all a balance. One that seems they didn’t do that well with the XR…

and ps. I would never do a spacer. IMHO there are so many far superior aftermarket springs for a little bit more money. Get those. You have already done the same amount of work by removing the stock spring to install a spacer. Why put it back in there?

I feel like they did the bare minimum to get people on 35s from the factory, knowing that anyone who seriously takes it offroad will upgrade suspension components anyway. Gotta remember, this was possibly a very quick release in order to answer back on that Sasquatch Package from Ford... I wouldn't be surprised if Jeep starts making slight changes to the XR package depending on how it sells.

 

[191185]

I doubt if you wheel much you won’t rub 37s.

but to answer your question. A bump stop is actually what its name suggests. when you hit a bump it stops your travel. It is there to protect the suspension, fender and tires. A spacer goes on top of the spring and as said increases your lift/ride height. Travel or articulation is limited; up by the bump stop and down by the shock length(extended). Too long of shock your spring falls out. Bump stops too short your shock fully compresses or you rub. Too long of a bump stop only is an issue with the ride and the abrupt “bump”. Too short of a shock again will limit your down travel which means wheel off the ground off roading. It is all a balance. One that seems they didn’t do that well with the XR…

and ps. I would never do a spacer. IMHO there are so many far superior aftermarket springs for a little bit more money. Get those. You have already done the same amount of work by removing the stock spring to install a spacer. Why put it back in there?

I'm definitly not looking to put a cheap bandaid on it. I am not ready to commit so coil overs or some crazy $5,000 suspension just yet.

But I do want to fix it the correct way. I've done springs on my RZR so that shouldn't be a big deal ..

So you're saying changing the springs only, is possible to give me more up travel ? Do I loose down travel ?

Has anyone done this and have part numbers ? Or do I need to weigh the jeep / mods to determine which springs to get ?

I have 3/4" up travel at best, measured las t night. . .going wheeling Saturday and will pay close attention to how it wheels with such little up travel..

When I took it to Moab, it seemed like the tire would go in the air WAY TOO SOON ... felt like IFS. ..

 

[Craigger]

I'm definitly not looking to put a cheap bandaid on it. I am not ready to commit so coil overs or some crazy $5,000 suspension just yet.

Not sure what you mean by cheap bandaid fix. When you add weight to the front, you need to add more pre-load. A spacer is the only way to do that with the existing suspension setup. Now - are there better springs out there? Absolutely. But, you're not making the current springs 'worse' by adding preload (via a spacer).

 

[Mocopo]

I'm definitly not looking to put a cheap bandaid on it. I am not ready to commit so coil overs or some crazy $5,000 suspension just yet.

But I do want to fix it the correct way. I've done springs on my RZR so that shouldn't be a big deal ..

So you're saying changing the springs only, is possible to give me more up travel ? Do I loose down travel ?

Has anyone done this and have part numbers ? Or do I need to weigh the jeep / mods to determine which springs to get ?

I have 3/4" up travel at best, measured las t night. . .going wheeling Saturday and will pay close attention to how it wheels with such little up travel..

When I took it to Moab, it seemed like the tire would go in the air WAY TOO SOON ... felt like IFS. ..

IMO, the tire being lifted too quickly is more so a result of poor flex all around, not just poor up-travel. You can increase this a lot by getting a longer stroke shock. A lot of people recommend the Fox 2.0 for 2-3" lift. I think that will net you almost 2 more inches of downtravel/flex. I'm considering the Fox 2.0 Res shocks meant for 1.5" - 3.5", and pair it with a 1.5" front coil spacer plus 3/4" rear coil spacer. Should line me up for 37's with mildly decent flex well enough. It's about a $1200 fix that I'll build upon in the future and put a proper 2.5" or 3.5 lift on eventually. At least I'll have the shocks I need already.

EDIT: 1.5" front coil spacer because I'll need to make up for the added weight of the winch

 

[AnnDee4444]

You have already done the same amount of work by removing the stock spring to install a spacer. Why put it back in there?

Predictable ride height increases is the main reason I would consider spacers. Say you want to level front/back or side/side. Or you're close to you're garage door and can only lift 1". You never truly know how much height you'll gain from a spring, partly due to the variations in vehicle weights.

 

[stumblinhorse]

I'm definitly not looking to put a cheap bandaid on it. I am not ready to commit so coil overs or some crazy $5,000 suspension just yet.

But I do want to fix it the correct way. I've done springs on my RZR so that shouldn't be a big deal ..

So you're saying changing the springs only, is possible to give me more up travel ? Do I loose down travel ?

Has anyone done this and have part numbers ? Or do I need to weigh the jeep / mods to determine which springs to get ?

I have 3/4" up travel at best, measured las t night. . .going wheeling Saturday and will pay close attention to how it wheels with such little up travel..

When I took it to Moab, it seemed like the tire would go in the air WAY TOO SOON ... felt like IFS. ..

Look for springs that have the preload built in. Meaning the spring coils will stack and not compress. It won’t change anything about your ride since the shocks dictate that. My JKUR was fully loaded with bumpers, winch skids etc. I used progressive rate springs and as I loaded up they stack and didn’t compress.

Be careful changing stuff if you are not aware of the implications. Longer shocks with stock springs can get your springs loose when fully flexed If they are too long. that is why many just buy a “kit”

 

[Mocopo]

Look for springs that have the preload built in. Meaning the spring coils will stack and not compress. It won’t change anything about your ride since the shocks dictate that. My JKUR was fully loaded with bumpers, winch skids etc. I used progressive rate springs and as I loaded up they stack and didn’t compress.

Be careful changing stuff if you are not aware of the implications. Longer shocks with stock springs can get your springs loose when fully flexed If they are too long. that is why many just buy a “kit”

Very true on the longer shocks, but is it good to note that is why most people seem to be recommending the Fox 2.0 shocks for 2-3" lift. It gives you 2 extra inches of travel without overextending the stock XR spring.

 

[stumblinhorse]

Predictable ride height increases is the main reason I would consider spacers. Say you want to level front/back or side/side. Or you're close to you're garage door and can only lift 1". You never truly know how much height you'll gain from a spring, partly due to the variations in vehicle weights.

I imagine that is true but if you are that close to your garage door you have to always make sure you door opener is working perfect…. I bet most have more room then they think. But 1“ or 2“ springs should be fine on a steel bumpered (not a word!) winched XR.

 

[stumblinhorse]

Very true on the longer shocks, but is it good to note that is why most people seem to be recommending the Fox 2.0 shocks for 2-3" lift. It gives you 2 extra inches of travel without overextending the stock XR spring.

I would think you have to test it. All I have seen is that stock jeep springs are not very long fully extended. But it is an easy test. Just pull one end bolt on a shock and jack it up see when the spring comes loose and measure…

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