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Old 01-11-2019, 04:09 AM   #1
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Question Suspension vs Wheel Size & Offset

I'm wondering if a Camaro 2.0T with 18x8.5 32mm offset wheels from the factory and a Camaro 2.0T with 20x8.5 25mm offset wheels from the factory have identical or different suspension setups?

I posted the question in the Camaro6 forum but they don't seem to be communicative there.

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Old 01-11-2019, 07:01 AM   #2
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Not sure what you are asking. But changing wheels will not require any suspension modification.
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Old 01-11-2019, 01:52 PM   #3
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Not sure what you are asking. But changing wheels will not require any suspension modification.
I'm curious if the factory adjusts the suspension based on the offset of the wheels.

I also don't understand why the 18" and 20" offsets are different when the width of the wheels are the same? I thought the diameter doesn't affect the offset.
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Old 01-11-2019, 02:35 PM   #4
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7mm is just over 1/4". I can't imagine it would matter.
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Old 01-11-2019, 08:17 PM   #5
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Are the sizes paired up with appearance packages? That may be part of it
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Old 01-11-2019, 09:51 PM   #6
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Are the sizes paired up with appearance packages? That may be part of it
The 20x8.5 25mm offset wheels are part of the RS package, but sorry I don't understand how that affects the offset.

Edit: It appears that it's to give it a more aggressive stance, but from a performance aspect, is the higher offset (if the diameters were equal) better because it brings the wheels in?
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Old 01-12-2019, 09:56 PM   #7
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Just a guess, but...

Lower profile tires generally have a wider tread than higher profile tires. That will require more effort to steer.
By moving the tires in there will be more leverage to turn the wheels.
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