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Old 03-03-2012, 11:45 AM   #1
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Do wheel spacers have any negitive effects

I'm thinking about putting 1.5" wheel spacers on to give me a little wider stance but before I do will it cause any problems like premature or uneven tire wear? I don't know if it matters but I am running 33/12.5/15's

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Old 03-03-2012, 11:48 AM   #2
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for offroading most people vote against them,Some say it put more strain on bearings but honestly its the same strain as deep offset rims.

I personally wouldnt trust them,Its more pressure on the lugs and studs.

but for mall crawlers they willget the job done

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Old 03-03-2012, 11:53 AM   #3
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OK thks the vote is no.... This is my daily driver but atleast a few times a month it finds it's way to a trail or something else( depending on how much beer is in the cooler) any other suggestions on how to get the wider stance without going up on tire and wheel size?
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Old 03-03-2012, 02:32 PM   #4
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Many of us use them with no problems. I use them to bring my 8.8 back to the D35 with dimensions. They are many reputable spacer brands in the market. Just my 2 cents.
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Old 03-03-2012, 02:37 PM   #5
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Its only the people that have never used them that are afraid of them. I have a set going on my jeep so I can use JK wheels.
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Old 03-03-2012, 02:42 PM   #6
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I have a set on mine and have not experienced any problem to date. I get out on the trail as much as I can, couple of times a month and it has been great. I think those that haven't used them are afraid to?
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Old 03-03-2012, 03:40 PM   #7
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Ill let you know in a couple months. I'm gonna get a set to run on the front dana 30 so I can have the 5 on 5 1/2 bolt pattern all the way around. I swapped in a ford 9 inch last summer.
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Old 03-03-2012, 03:49 PM   #8
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I am running spydertrax 1.25" spacers on the rear because the 8.8 is a little narrower than the d35. I have been wheelin on the rocks with them on 35x12.50s with no problems.
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Old 03-03-2012, 04:46 PM   #9
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I ran 1.5" spacers on my CJ5 for 8 or so years, and about 40K miles, including running Tellico and many miles of off roading here in NM. No problems. As far as stress on bearings and such, running 1.5" spacers on a 5" back space wheel is no different than running a 3.5" back space wheel.
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Old 03-03-2012, 04:56 PM   #10
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Old 03-03-2012, 05:32 PM   #11
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Originally Posted by 02_Sahara View Post
I'm thinking about putting 1.5" wheel spacers on to give me a little wider stance but before I do will it cause any problems
If you live in Utah, wheel spacers will cause your vehicle to fail the required annual safety inspection.

FYI
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Old 03-03-2012, 06:12 PM   #12
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I've always heard people say they knew of a guy who lost a wheel due to wheel spacers, but I've never personally heard of anyone doing so. I think a lot of the negative things said about them are urban legend.
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Old 03-03-2012, 11:36 PM   #13
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If you put them on properly you will not have a problem. Had mine for 2 years and I beat on the Jeep in Moab quite often.
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Old 03-04-2012, 12:09 AM   #14
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I put RC 1.5" spacers on my JK a year ago and love the wider stance. No accelerated tire wear at all. No problems off road. Used Loctite on the spacer lugs. checked the torque after 500 miles and tight as the day I installed them. The Rough Country spacers were only $59 per set on JC Whitney. If you're doing any serious rock crawling, I'd would probably go up to the spyder trax.
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Old 03-04-2012, 12:26 AM   #15
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Originally Posted by Sherpa View Post
If you live in Utah, wheel spacers will cause your vehicle to fail the required annual safety inspection.

FYI
I suppose you could take them off for inspection and then reinstall them??
My jeep is currently registered in Florida, but will be full time in UT next year. The spacers only move the tires out, not quite an inch from the fenders so I don't think I would have any trouble from the PO-PO if I put them back on.
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Old 03-04-2012, 12:56 PM   #16
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I suppose you could take them off for inspection and then reinstall them??
This is an age-old trick to pass inspection, and I know many people have done it. Be advised: if either front tire contacts any part of the vehicle (read: lower control arms) at full steering lock, that will also cause you to fail the inspection.

That's why I run wheels with proper offset rather than wheel spacers.
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Old 03-04-2012, 02:25 PM   #17
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Thanks Sherpa, good on clearance with fenders and suspension w/o the spacers. I like the asthetics and wider track with them. But next set of rims I will be paying more attention to the backspacing. We have no inspection at all here in Fl, the only thing the cops will pull you over for is burned out lights.
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Old 03-04-2012, 02:52 PM   #18
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The less backspacing, the more strain on wheel bearings and the more scrub radius. Research scrub radius and steering axis inclination.
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Old 03-04-2012, 07:21 PM   #19
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Quote:
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I suppose you could take them off for inspection and then reinstall them??
My jeep is currently registered in Florida, but will be full time in UT next year. The spacers only move the tires out, not quite an inch from the fenders so I don't think I would have any trouble from the PO-PO if I put them back on.
I get my Jeep inspection done at a 4x4 shop in Utah and they know the difference between spacers and adapters. Spacers are illegal and adapters are legal. If you go to a run of the mill shop they will not know the difference and will fail your vehicle. There are quite a few 4x4 shops in Utah so you will not need to travel far for inspection.
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Old 03-05-2012, 01:27 AM   #20
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In short no it won't have any negative effect. As for putting more strain on any component, it won't so don't worry about it. Spacers aren't exactly cheap so you might as well just get rims with the correct backspacing from the getgo.
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Old 03-05-2012, 01:53 AM   #21
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I had very little backspaceing on my last set of wheels much like what you want to do and it saved my tub from a lot of damage many times. The tires kept me away from ravine walls and saved the tub, I did however rub the white lettering off and was near having white walls from the abuse. But it did have a wide stance.





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Old 03-05-2012, 10:14 AM   #22
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The less backspacing, the more strain on wheel bearings and the more scrub radius. Research scrub radius and steering axis inclination.
Took awhile, but someone finally popped in with the correct answer. The downside to wheel spacers is messing up your scrub radius and the horrible steering that comes with it.

It's pretty obvious from most of the replies so far that how well a rig handles is fairly secondary to most other considerations. The only exception is using spacers to bring the heavily backspaced JK rims into proper scrub radius with the TJ kingpin axis.
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Old 03-05-2012, 11:28 AM   #23
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so what is ''Scrub radius"? I want to use wheel spacers but not if they are going to cause problems. I see most people have no problems running them. Id only be using 1'' spacers. Thanks
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Old 03-05-2012, 12:09 PM   #24
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Took awhile, but someone finally popped in with the correct answer. The downside to wheel spacers is messing up your scrub radius and the horrible steering that comes with it.

It's pretty obvious from most of the replies so far that how well a rig handles is fairly secondary to most other considerations. The only exception is using spacers to bring the heavily backspaced JK rims into proper scrub radius with the TJ kingpin axis.

In your opinion Blaine, is there any difference between running a rim with 3-3/4 backspacing vs running a rim with 5" BS and 1-1/4" spacers? Besides the obvious point of a single rim vs rim and spacer.
I would think the loading on the knuckles would be identical and both would equally effect steering performance.

BTW, I have never ran spacers and don't intend to.
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Old 03-05-2012, 01:03 PM   #25
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Actually, I think the handeling is better with the slightly wider trac and I've had them for over 15,000 miles on and offroad. I don't see a problem or danger using the "hub centric" spacers. Under no circumstances should anyone use the cheap spacers that attach behind the wheel using the vehicles existing lugs.
It seems like simple physics, that using spacers and rims with alot of backspacing would add stress to bearings and other components.
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Old 03-05-2012, 01:27 PM   #26
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In your opinion Blaine, is there any difference between running a rim with 3-3/4 backspacing vs running a rim with 5" BS and 1-1/4" spacers? Besides the obvious point of a single rim vs rim and spacer.
I would think the loading on the knuckles would be identical and both would equally effect steering performance.

BTW, I have never ran spacers and don't intend to.
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Agreed. Whoever disagrees should have their heads examined
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Old 03-05-2012, 02:47 PM   #27
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So if they are not " hub centric" dont use them?
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Old 03-05-2012, 05:04 PM   #28
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So if they are not " hub centric" dont use them?
From the information I've seen regarding non hub centric spacers is that they're made of a lesser grade aluminum alloy.
Because the spacer doesn't have it own lug bolts, it's shortening the amount of threaded bolt that the lug nuts can be tightened on to when the wheel is remounted.
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Old 03-05-2012, 05:05 PM   #29
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In your opinion Blaine, is there any difference between running a rim with 3-3/4 backspacing vs running a rim with 5" BS and 1-1/4" spacers? Besides the obvious point of a single rim vs rim and spacer.
I would think the loading on the knuckles would be identical and both would equally effect steering performance.

BTW, I have never ran spacers and don't intend to.
Vince
Loading is the same and to answer the scrub radius question, when the tire are turned side to side, ideally they should pivot around the contact patch. If you run too much or too little backspacing, the tire rolls as you turn the steering back and forth and that's not conducive to good handling.
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Old 03-05-2012, 06:51 PM   #30
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In your opinion Blaine, is there any difference between running a rim with 3-3/4 backspacing vs running a rim with 5" BS and 1-1/4" spacers? Besides the obvious point of a single rim vs rim and spacer.
I would think the loading on the knuckles would be identical and both would equally effect steering performance.

BTW, I have never ran spacers and don't intend to.
Vince
The upward force is being applied 1.25" further out. That's 1.25" added to the torque arm.

ex. 3500 lbs / 4 = 875 lbs 875lbs * (1.25 / 12) = ~ 88.5 ft-lbs of torque.

Identical no. A big deal ... I couldn't say but wouldn't imagine it is.


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