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Are the Rear Wheels at slightly different “depths” in the wheel well?

I feel like I’m taking crazy pills, but hear me out:

I have Vossen 21x10.5 wheels on my car. I’ve been seeking the perfect stance. Therefore, I recently got an alignment and set my rear camber identical on both sides.

Here’s the weird thing: with the camber angle is exactly -1.24 on both sides, so both sides *should* be identical. But the top of my right rear wheel sits about 3-5mm farther in than the left rear wheel.

nothing is wrong with my suspension, all bushings and whatnot are in good shape....I can’t explain this one. Can someone else with flush fitting wheels check me on this??
 
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Reactions: Doanster1

Doanster1

Active Member
Feb 14, 2018
1,170
617
Oregon
Even though I’m religious about tire pressures, my right rear always wears faster on the inside than the left, ie a tiny more negative camber? That little difference *could* answer your question, but 3mm diff could also be in the noise/measurement accuracy since I assume you used a couple diff straight edges or rulers here.
 

Hayseed_MS

Spreader of "Endless Non Sequitur"
Jan 19, 2021
2,774
12,120
Strongbadia
Keep in mind that you have not just the subframe but you have the body, the tire, the wheel, the rotor you even have contamination between the wheel and rotor, Etc. This all adds to the stack up on the tolerances. So for the whole system to be out 3 to 5 mm maybe within tolerance. I don't know if that's truly happening but that's one thing to consider.
 
I feel like I’m taking crazy pills, but hear me out:

I have Vossen 21x10.5 wheels on my car. I’ve been seeking the perfect stance. Therefore, I recently got an alignment and set my rear camber identical on both sides.

Here’s the weird thing: with the camber angle is exactly -1.24 on both sides, so both sides *should* be identical. But the top of my right rear wheel sits about 3-5mm farther in than the left rear wheel.

nothing is wrong with my suspension, all bushings and whatnot are in good shape....I can’t explain this one. Can someone else with flush fitting wheels check me on this??

Funny you should mention this, I haven't lowered my car yet and just eye balling it, the right rear wheel look like it has more negative camber than the left side.
 
Even though I’m religious about tire pressures, my right rear always wears faster on the inside than the left, ie a tiny more negative camber? That little difference *could* answer your question, but 3mm diff could also be in the noise/measurement accuracy since I assume you used a couple diff straight edges or rulers here.

I was told by Tesla, the right rear wheel will always wear faster than the left bc it is considered the "power" wheel.

But i though my car was AWD..??
 
I had a nearby shop just check (not adjust) my alignment, and they showed -1.15 on the left, and -1.25 on the right. So, could just be a slight difference in the machines' calibration.

I adjusted my camber on the right wheel to get it visually the sale as the driver's side, and will have the toe re-adjusted this week. We'll see if that fixes it.
 
Interesting, I need to get out the measure for sure now. Was looking at a friends car today and the stance just seemed a bit off, thought I was imagining that one side of the car at the rear looked perfect and flush, the other side (passenger) looked a bit off....

That's exactly what I noticed. The passenger side was a bit more 'recessed' than the driver by a couple millimeters.

To get them looking identical at the wheel arch, I set the camber to -1.6 driver side, -1.2 passenger side.
 

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