Control Arm Rubbing tire - solution 101 - found
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I went to the alignment shop to look at where the control arm was rubbing the rim/tire. Found the issues and now I need to get two rims with 2 3/4-2 7/8 backspacing.
Now to find the best store to by two front rims. |
Re: Control Arm Rubbing tire - solution 101 - found
This is where most do some slight clearance work on the a-arm 'gutter'.
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Re: Control Arm Rubbing tire - solution 101 - found
Typically a 3-1/2” backspace will clear just fine.
What does your clearances look like with the wheel straight and the weight on the suspension? |
Re: Control Arm Rubbing tire - solution 101 - found
Does this only happen with dropped spindles? I've had 15x8 wheels (4" backspacing)on my stock height pickup for 20+ years and it doesn't rub.
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Re: Control Arm Rubbing tire - solution 101 - found
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Re: Control Arm Rubbing tire - solution 101 - found
Some guys run a taller rim 16 or 17s is another way around this with drop spindles
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Re: Control Arm Rubbing tire - solution 101 - found
I forgot to mention I do have a 2 1/2 drop
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This is why grinding a little off the arm lip is common. |
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Just my opinion,... but that would not be a good look. |
Re: Control Arm Rubbing tire - solution 101 - found
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I have run 15x7 rallys with dropped spindles with no rubbing..
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Thanks Never thought of that. I did find a wheel with 2 3/4 BS. |
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Re: Control Arm Rubbing tire - solution 101 - found
If you are just dead set to not trim the control arm try this. Remove one wheel and stack 1/2" of flat washers on three of the wheel studs then bolt the wheel back on and recheck control arm clearance. This can help determine just how much less back space you really need.
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Re: Control Arm Rubbing tire - solution 101 - found
Maybe I got lucky but I am running a 2-1/2" static drop in the front and 15x8 rallys with no rubbing issues. My backspacing is similar to the 4.25 as shown in the first post here.
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Re: Control Arm Rubbing tire - solution 101 - found
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https://www.summitracing.com/parts/WVI-31-580604 |
Re: Control Arm Rubbing tire - solution 101 - found
I did some trimming like suggested and added a 1/4 inch spacer to get the clearance I needed.
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Re: Control Arm Rubbing tire - solution 101 - found
After reading all this I wonder if I should get a 15x7 wheel for the fronts and maybe a 1/2 " BS and that would do the trick. I really dont want the front wheels to go outside the fender...
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I solved the same problem on my S10 by using a pair of 3/8" wheel spacers. Over 100k miles without issue. I had them made by a local machine shop with proper hub centering and wheel stud sizing. No generic parts house spacer.
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Re: Control Arm Rubbing tire - solution 101 - found
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Now I am aggravated as I noticed a split in the outer tie rod boot and the one on the passenger side is totally split. WTH? These things aren't a year old. |
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I hate hand sanding ! For the 3rd time ... rain tomorrow need to prime it again tonite . |
Re: Control Arm Rubbing tire - solution 101 - found
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Could this part of my problem...
I have a P245/60/15 tire? Is the size a little to big adding to my issues? I am just trying to look at all possibilities. Thanks |
Re: Control Arm Rubbing tire - solution 101 - found
Tire size should be moot.... It's the wheel lip that interferes w/the a-arm gutter.
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Re: Control Arm Rubbing tire - solution 101 - found
The reason behind the one drop spindle mentioning does not increase width that is for stock 67 70 drum front brake measurement
71 72 disc is slightly wider so is the rear axle is slightly wider as well |
Re: Control Arm Rubbing tire - solution 101 - found
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Here's a pic of mine , ignore the dust everything in the shop is covered in dust. :chevy:
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Ok ... so if I understand it correctly:
I have a 4" BS and if I go with a 3" BS it will pull the tire another inch outwards? Thanks |
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The more aggressive you get, the harder it is on wheel bearings as a result from the additional weighted leverage of a steel wheel. Just a maint related item to keep in mind. Again..... Trimming the rain gutter is very common for the minimal clearance needed. It just needs to be done w/care in mind. |
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In other words, maybe my above post is incorrect. |
Re: Control Arm Rubbing tire - solution 101 - found
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Its a measurement from the wheel mounting surface to the inside edge of the wheel. Less backspacing moves the wheel out. |
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I just might go with a 7" wheel/tire combo in the front and 8" in the back. That would solve my problem plus I could decrease my BS without it going to far outwards. :burnout:
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Be prepared because even 7" wheels sometimes get close enough that it requires a little clearance work on those porky a-arm gutters. The OE disc brake 6" wheels are usually the ones that clear w/o issue. Aftermarket 7" wheels w/spec'd back spacing should be good. |
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