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+5 offset and rolling the fenders

Old Apr 23, 2020 | 10:27 AM
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Default +5 offset and rolling the fenders

My son is looking at some Comis Racing S1's 18x10.5 + 5 for the rear. Stock suspension for now but *may lower in the future.

https://cosmisusa.com/collections/bl...5-5-5x114-3-bc

We don't mind rolling the fenders but... with +5 will that even work with rolled fenders? If so will it be minor or major work to get them under there?



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Old Apr 23, 2020 | 11:00 AM
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Originally Posted by Stump250
My son is looking at some Comis Racing S1's 18x10.5 + 5 for the rear. Stock suspension for now but *may lower in the future.

https://cosmisusa.com/collections/bl...5-5-5x114-3-bc

We don't mind rolling the fenders but... with +5 will that even work with rolled fenders? If so will it be minor or major work to get them under there?
EDIT: Pics added for clarity.

Depends on tires.

I run several sets of 10.5s with fully rolled n’ sealed guards. (And to complete the data.... -19mm static drop)

10.5 +22 or +23 (different sets) with 285s are within about 4mm of the fender. (Pics below)



10.5 +22 with 285/35-19 (above and below). Tight but no rubbing.



10.5 +23 with 285/35-19


10.5 +9 with 275s (below) still have plenty of space. Could probably fit +5 offset wheels with this size.


If you run more camber (say as much as -3deg), probably fit 285s but I would never run that far out of range unless for track use.

Note: have seen lots of applications running even negative offsets that seem to fit. Not that practical when it throws alignment well out of range but do they fit without rub? Yup, somehow they make them fit, but likely at a cost of optimal handling; but can't really say for sure.

Just datapoints for you.

Last edited by MicVelo; Apr 23, 2020 at 12:24 PM.
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Old Apr 24, 2020 | 06:55 PM
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Thanks for the reply, the pics help a lot. Looks like it’s doable just some work. He’s been indecisive on wheels for good reason.
hard to spend the money not knowing if they will fit correct.
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Old Apr 25, 2020 | 05:19 AM
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They have the same wheel in 18x9.5+15. We all know as guys, we all want that extra inch, but sometimes it's not worth it possibly not fitting imho
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Old Apr 25, 2020 | 05:20 AM
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And on a 9.5 wheel, the tires shoulder will be squared up
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Old Apr 25, 2020 | 08:20 AM
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Originally Posted by travlee
They have the same wheel in 18x9.5+15. We all know as guys, we all want that extra inch, but sometimes it's not worth it possibly not fitting imho
Originally Posted by travlee
And on a 9.5 wheel, the tires shoulder will be squared up
Yup, the 9.5 +15 (with 275/40 rear) that sent me on my "rolled guards journey"... At least a dozen sets of wheels without a single interference issue until these "narrow width" but lower offset wheels necessitated rolling.



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Old Apr 25, 2020 | 11:36 AM
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Originally Posted by Stump250
My son is looking at some Comis Racing S1's 18x10.5 + 5 for the rear. Stock suspension for now but *may lower in the future.

https://cosmisusa.com/collections/bl...5-5-5x114-3-bc

We don't mind rolling the fenders but... with +5 will that even work with rolled fenders? If so will it be minor or major work to get them under there?
As stated above, go with the +15. Damm nice looking wheel btw!
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