WHEEL FITMENT GUIDE: Will these fit? What offset do I need? - Page 6 - Lexus IS Forum
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post #76 of 1756 (permalink) Old 09-14-2010, 11:10 AM
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OK so i think i have one that may be what I'm looking for and looking for some input.

Front:
18 x 7.5 +48 wheels with 215/35 x 18 tires

Rear:
18 x 8.5 +38 wheels with 225/35 x 18 tires

Any comments or concerns with this setup? This was selected with the intention of maxing out the capabilities of the fenders without modification. FYI, car is 2003 IS300. I am also planning to install Eibach Prokit springs too, does that affect anything?

Thanks in advance.
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post #77 of 1756 (permalink) Old 09-15-2010, 04:22 PM
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^^Front 225/40 will not "max out" anything...pretty standard. The rear you could probably go 235/40 or 235/35.

03 BO is300 e-shift - powered by a vortech S/C, work vs-xx with falken fk 452, bilstein shocks with eibach pro kit...pshhh yeah right R.I.P 2/11/09
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post #78 of 1756 (permalink) Old 09-17-2010, 01:16 AM
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Posted in the other wheel fitment thread, but that one doesn't get any attention. So…

Looking at getting a set of BBS RS wheels. There are two different sizes I'm interested in getting, depending which would fit better:

17x8+35
17x9+35

or

17x8.5+35
17x9.5+35

I would like the wider wheels, but I'm not sure if one will work better with the other. Right now I have no modifications to any fenders. Just H&R springs (~1.5-2 in. drop), but I do plan on getting some coilovers very soon, so probably more drop soon.

I'm running 17x8.5+44 (with 5mm spacer) and 17x9.5+42 right now with no problems, but I'm wondering if the offset difference will be problematic.

2004 IS 300 - Sold
1992 NSX - Traded
2000 S2000 - Traded
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post #79 of 1756 (permalink) Old 09-17-2010, 07:21 AM
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^^What tires are you running on your existing 17x8.5 and 17x9.5 wheels? Thanks.
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post #80 of 1756 (permalink) Old 09-17-2010, 09:52 AM
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Front: 205/40/17
Rear: 215/45/17

2004 IS 300 - Sold
1992 NSX - Traded
2000 S2000 - Traded
2002 IS 300 Sport Cross
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post #81 of 1756 (permalink) Old 09-17-2010, 11:08 AM
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A 9mm difference in offset wont matter as long as your fenders are rolled, which I imagine they already are. With 17x8.5/9.5+35 you could even run 225/40 & 255/35 with fenders rolled flat and the rear bumper tab trimmed. No need for much stretch.

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post #82 of 1756 (permalink) Old 09-18-2010, 03:38 PM
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Hey guys, I need some advice on how to make these wheels fit correctly. I'm still learning about wheel fitment/tire sizes so bear with me. The wheels are a set of Enkei RPF1s and the sizes are:

FW: 18x8.5 offset 29
RW: 18x9.5 offset 30

What size tire would look/fit the best? Also how hard is it gonna be to make these suckers fit? I am dropped on Tanabe coilovers and am pretty low. (0 finger wheel gap )I know the fenders will definitely need to be rolled but should I expect any other difficulties? Thanks guys any help is appreciated

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post #83 of 1756 (permalink) Old 09-24-2010, 04:04 PM
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Hey guys,

Im in the process of trying to sell my car but if I keep it, id like to change it up.
Currently I have

Front 19x8 + 35 w/ 215/35/19
rear 19x9.5 + 38 w/ 235/35/19

I have a slight rear pull with rolled fenders and
fronts are shaved and rolled


I am looking at

Front: 19X8.5 +35
Rear: 19X9.5 +35

I am assuming I am good to go and will just put them on.

I used the calculator and said slight pull, i am already pulled and lowered.
I am just wanting to know which tires would be good for me
]

I am overseas and am going to try and set the car up and purchase items from here.
I know APEX has close offsets as to what i am getting, Just looking for some good info.

thanks guys, really appreciate any help.
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post #84 of 1756 (permalink) Old 09-24-2010, 04:53 PM
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How come with 18x8 35mm and 18x9 41mm I need to roll fenders. If I would put a 245/40-18 would I really need to roll? How about the 235/40-18?

The company selling the wheel said that they will fit without modifications.
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post #85 of 1756 (permalink) Old 09-29-2010, 03:52 PM
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Does anyone think it's possible to do 17x9 +20 all the way around? Probably with stretched tires and roll?

2004 IS 300 - Sold
1992 NSX - Traded
2000 S2000 - Traded
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post #86 of 1756 (permalink) Old 09-29-2010, 11:46 PM
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Quote:
Originally Posted by Powerdrift View Post
Does anyone think it's possible to do 17x9 +20 all the way around? Probably with stretched tires and roll?
Yes, 215/35 or 40 all around someone can chime in for that, roll your fenders flat. Look for jon on the forums he has a thread running/was running aggressive 17's with just a roll

Quote:
Originally Posted by bogi094 View Post
How come with 18x8 35mm and 18x9 41mm I need to roll fenders. If I would put a 245/40-18 would I really need to roll? How about the 235/40-18?

The company selling the wheel said that they will fit without modifications.
Are you lowered at all?
Even if not, you will probably still have to roll the fenders. I'd imagine with both tire setups even the 235's you might rub at least once. The stock suspension is so soft, if it were my i'd just throw on the 245's and not worry about rolling and see what happens

Quote:
Originally Posted by nicog92 View Post
Hey guys, I need some advice on how to make these wheels fit correctly. I'm still learning about wheel fitment/tire sizes so bear with me. The wheels are a set of Enkei RPF1s and the sizes are:

FW: 18x8.5 offset 29
RW: 18x9.5 offset 30

What size tire would look/fit the best? Also how hard is it gonna be to make these suckers fit? I am dropped on Tanabe coilovers and am pretty low. (0 finger wheel gap )I know the fenders will definitely need to be rolled but should I expect any other difficulties? Thanks guys any help is appreciated
(Depending on how low you want to be run the 35's for lower)
215/35 or 40/18
225/35 or 40/18

I am currently running a 18x8.5 +25 with a 225/40/18 and 18x9.5 +30 225/40/18. I was rubbing a bit in the front on hard turns and big dips with rolled fenders all around but i just got some 215/40's so I'd imagine i won't be rubbing anymore unless i lower the car more...which i plan on doing anyways

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post #87 of 1756 (permalink) Old 10-11-2010, 09:05 PM
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Setup: 18x9 +40 in the rear.

is a 255/35 too much tire? i know a roll is in order but should i go down to a 245?

not goin crazy with a stretch, just wanted a wider rim in the rear. i am lowered on Tein SS.

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post #88 of 1756 (permalink) Old 10-12-2010, 10:10 PM
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18x9.5 +20 offset all around lowered on d2 rs coils. what tire size would be good to run?
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post #89 of 1756 (permalink) Old 10-28-2010, 04:17 PM
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Ok I'm trying to understand this, I have a 02 model stock height, will the following volk's fit:

18x8.5 +40
5x114.3

225/40/18 tires

I'm not looking for staggered, just the same all around. Basically if it will fit without requiring any modifications.

Thank you for your info and help!

Last edited by imhaunted; 10-28-2010 at 04:36 PM.
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post #90 of 1756 (permalink) Old 10-29-2010, 01:40 PM
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Quote:
Originally Posted by Twitched1 View Post
Setup: 18x9 +40 in the rear.

is a 255/35 too much tire? i know a roll is in order but should i go down to a 245?

not goin crazy with a stretch, just wanted a wider rim in the rear. i am lowered on Tein SS.
245/35 is good.

Quote:
Originally Posted by imhaunted View Post
Ok I'm trying to understand this, I have a 02 model stock height, will the following volk's fit:

18x8.5 +40
5x114.3

225/40/18 tires

I'm not looking for staggered, just the same all around. Basically if it will fit without requiring any modifications.

Thank you for your info and help!
Those will fit fine without modifications. Your car will look like a truck, but they will fit fine.

03 BO is300 e-shift - powered by a vortech S/C, work vs-xx with falken fk 452, bilstein shocks with eibach pro kit...pshhh yeah right R.I.P 2/11/09
03 BO is300 HKS/ Koni/ Eibach/ Enkei/ Signal Auto/ Brian Crower/ Titan/ TRD NEO/ EDM/ TRD elegant R.I.P 8/1/13 rear ended. :(
05 BO is300 Tein... bought and sold in a month...lol. The game is not the same


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  Lexus IS Forum > 1st-Gen IS300 > Wheels and Tires

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