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Old 04-08-2021, 01:23 PM   #1
SwiTchY86
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Need advice on tire dimensions for a staggered setup

Hello everyone,

I need help with calculating tire sizes for a staggered setup. I've ordered Rota Grids - Front: 18x8.5 5x100 ET44, Rear: 18x9.5 5x100 ET38.
Since I'm still waiting for my wheels to arrive, I'm having trouble deciding with tire sizes.
I did some research and I couldn't find any reasonable anwsers, but I was thinking of going 225/40R18 for the front and 245/40R18 for the rear.
Should I be looking at 245/35R18 at the rear? I am going for a bit of a stretch on the tires, so no need for extra wide tires.

Any help or tips appreciated.

Thanks in advance!

Edit: I am running BC Racing coilovers and haven't touched the ride height yet. It is sitting at the height at which coilovers come from the factory. Will be looking for a nice, flush fitment.

Last edited by SwiTchY86; 04-08-2021 at 01:26 PM. Reason: Forgot to mention
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Old 04-08-2021, 03:33 PM   #2
gpvecchi
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9.5x18 ET 38 will poke out from wheel arches...
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Old 04-09-2021, 06:46 PM   #3
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My advise would be to not do staggered setup, but it came too late, as you have already ordered wheels.
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Old 04-09-2021, 07:01 PM   #4
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Save yourself grief and take the wheels back and go square setup.
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Old 04-09-2021, 07:33 PM   #5
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215/245 or 225/255 need same diameter.

225 squared is classic NA setup
245 squared classic FI setup
225/255 is for the bad ass FI setups.
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Old 04-09-2021, 07:36 PM   #6
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Quote:
Originally Posted by gpvecchi View Post
9.5x18 ET 38 will poke out from wheel arches...
In the rear with a 245 it will be pretty flush with about -1.5 degree camber, 255 will poke unless he does more camber
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