IS F (2008-2014) Discussion topics related to the IS F model

18x9.5 +38 squared tire size/fitment question

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Old 02-27-19, 05:18 PM
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rem0rse
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Originally Posted by Dragtek
Sorry, what series? Like 275/30 or 275/35?
275/35 will definitely rub on a 19x9.5 +38 - some have tried 275/30 and have been okay but Im still rubbing with 265/30 on steep hills.
Old 02-27-19, 05:58 PM
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Originally Posted by Dragtek
Sorry to bring up an old thread, but has there been any additional members running 18’s? I’m tryinf to determine my tire sizes as I just got new 18” 57dr’s like the OP.

I prefer to run a square setup on tires, but looking for the widest tires.
I had been running a 18x9.5 +45 square combo with 275 35 tires for more then 3 years. It has been great so far. I recently change from Enkei PF01 to WedsSport SA-20R. So far, I'm loving the look


Last edited by idoke1; 02-27-19 at 06:02 PM.
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Old 02-27-19, 06:00 PM
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Jwconeil
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I ordered 45 offset so that I can run wide tires. I’m not sure how wide you can go on 38 offsets. You will probably need to sacrifice some width.
Old 02-27-19, 06:03 PM
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Originally Posted by idoke1
I had been running a 18x9.5 +45 square combo with 275 35 tires for more then 3 years. It has been great so far. I recently change from Enkei PF01 to WedsSport SA-20R. So far, I'm loving the look

what specs are these, and what suspension. It looks very good.
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Old 02-27-19, 06:25 PM
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18x9.5 +45 with a 285/30/18. No rubbing whatsoever



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Old 02-27-19, 06:26 PM
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Originally Posted by Jwconeil
I ordered 45 offset so that I can run wide tires. I’m not sure how wide you can go on 38 offsets. You will probably need to sacrifice some width.
thats what I figured. Maybe like 255’s?
Old 02-27-19, 06:53 PM
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Originally Posted by Dragtek


thats what I figured. Maybe like 255’s?
It really depends on the tires. Some 275s have a 9.7 inch tread width and some 265s have a 10.2 tread width. It’ll be very close, so I recommend having tires fitted at a shop where you can return them if they don’t fit. I’d start with normal 265s and go down from there. FYI a 255 on a 9.5 stretches enough that you have no outer rim protection. I have a 255 on a 9.5 just because it needed a tire, and if I lay it down the rubber doesn’t touch the ground, the rim lip does.
Old 02-27-19, 07:13 PM
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Thank you for the info.
Old 02-27-19, 07:29 PM
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Originally Posted by Jwconeil


what specs are these, and what suspension. It looks very good.
BC with Swift springs 16k/12k rate
WedsSport SA20R 18x9.5 +45 offset
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Old 02-27-19, 07:32 PM
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Originally Posted by BirgeyT1
18x9.5 +45 with a 285/30/18. No rubbing whatsoever



Are you running any spacers on the front? I never could get my set of Toyo t1s 285 30 to fit in the front without lifting my coils higher.
Old 02-27-19, 10:49 PM
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9.5 +45 would be fine, but +38 is a different story it may not seem like alot on paper but it matters.
Old 02-28-19, 06:38 AM
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Originally Posted by idoke1
Are you running any spacers on the front? I never could get my set of Toyo t1s 285 30 to fit in the front without lifting my coils higher.
No front spacers and about 4mm of clearance between the tire and the spindle.
Old 02-28-19, 08:55 AM
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Originally Posted by idoke1
BC with Swift springs 16k/12k rate
WedsSport SA20R 18x9.5 +45 offset
Love the look of the weddsport setup - any photos from the front that show the offset a bit better?
Old 02-28-19, 10:51 AM
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Originally Posted by Vervish
Love the look of the weddsport setup - any photos from the front that show the offset a bit better?




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Old 02-28-19, 11:26 AM
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Wow - that looks amazing.

Any fender mods?

Thanks.

Last edited by Vervish; 02-28-19 at 11:39 AM.


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