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

255/35/19 and 275/35/19 Michelin PSS Tire SET UP

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Old 07-02-15, 10:35 PM
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mattbeeezy
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Thumbs up 255/35/19 and 275/35/19 Michelin PSS Tire SET UP

Looked everywhere and couldn't find this set up on OEM IS-F 08-11 wheels..... so I dropped the cash and went for it anyways. The ride is much better and the IS-F hooks a lot faster with wider rears compared the stock sizes 225/40/19 and 255/35/19(which I had and were also Michelin PSS'). I took it to speeds of 125-130 mph no shakes or vibrations and on off and on ramps I just gun it and it grips very... very well. Put about 5XX miles before this review... couldn't be happier

My main concern was the clearance... it fills in very well and does not rub. I'm lowered on BC coilovers so I'm sure on stock height you'll be just fine.
Front:
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Rear:
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Full Picture:
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Last edited by mattbeeezy; 07-03-15 at 12:19 AM.
Old 07-02-15, 10:53 PM
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BluStreak1
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Dang your car looks good brother! Can't wait to see it in person one day!
Old 07-02-15, 11:35 PM
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mattbeeezy
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Originally Posted by BluStreak1
Dang your car looks good brother! Can't wait to see it in person one day!
Thanks bro I appreciate it!
Old 07-03-15, 12:12 AM
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bnizzle87
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I'll agree that it will hook better. But stock sizes were 225/40/19 and 255/35/19. Giving the rear wheels 275/35 just adds to the diameter and decreases the revs/mile. I've seen a few F owners who wanted the same aspect ratio in the front and rear, and it might actually be better for street driving, as to not have a low profile tire (especially here in LA where potholes are prevalent).
Old 07-03-15, 12:47 AM
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I8ABMR
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can you post any pics from the side. Very cool that you tried this. How does it feel in the twisties?? Quick transitions ?
Old 07-03-15, 01:21 AM
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mattbeeezy
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Originally Posted by I8ABMR
can you post any pics from the side. Very cool that you tried this. How does it feel in the twisties?? Quick transitions ?
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I hope that side shot is better.....

To tell you the truth theres not too many twisties here on the island other than north shore but everyone drives at a moderate pace here(speed limit) so I couldn't really tell you. I know you guys like taking you car on the track but honestly this as a daily set up perfect. I just mash on the pedal, all I want the car to do is to hook without breaking loose and grip whenever I need it and it does just that.
Old 07-03-15, 06:35 AM
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SoulFreak
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Very awesome you tried this! Finally! I was also searching for someone to have this type of setup. I'm very grateful you tried it and shared. I'm fully stock on a 2011 F, I loose confidence when my tail gets out a bit. I'm a decent driver and I correct it immediately but it keeps me from just mashing the pedal from a dead stop and having full confidence my car won't got haywire. For the rear is that maximum you can go? On stock wheels? 275? The front setup looks perfect. Also, did you install through dealership?
Old 07-03-15, 07:57 AM
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lobuxracer
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I am running the same tires on the 2014 rims. They do fill the wheel wells better. I haven't had them to the track yet, but braking and turn in are better. I'm betting midcorner speed will be up a bit as well, but it's hard to tell on the street.
Old 07-03-15, 02:31 PM
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ISFPOWER
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i have brand new 245/35 275/35 michelin super sports in my closet. waiting to dial in perfect alignment with new RR racing bushings before putting it on.

im running a 20mm spacer with my current 275/35 now at camber setting of -1.2 . no rubbing. lowered a good amount.

255/35 is a bit too wide IMO if you want to have a flush set up.

Last edited by ISFPOWER; 07-03-15 at 02:35 PM.
Old 07-03-15, 03:25 PM
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Originally Posted by ISFPOWER
i have brand new 245/35 275/35 michelin super sports in my closet. waiting to dial in perfect alignment with new RR racing bushings before putting it on.

im running a 20mm spacer with my current 275/35 now at camber setting of -1.2 . no rubbing. lowered a good amount.

255/35 is a bit too wide IMO if you want to have a flush set up.
yeah I just wanted to go the wider without going the spacers route. I never liked the feeling of running spacers even on my vip cars, I would just buy rims with specs that made it flush instead of running spacers.

Yeah those RR racing bushings look good and fancy I wanted to switch them out. I'm currently running FIG's LCA bushings 90 duro and I've put a little over 4k on them on stock spec alignment.... no front inner tire wear and I've drove across country on them twice. Its a pretty proven product so I'll hang on to switch over.
Old 07-03-15, 10:01 PM
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ModInJapan
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Lookin good!!

I see you're still taking care of the Tom's diffuser. Let me know when you want to transition into my Wald Diffuser!

-Josh (Joshhleee, SGM ISF)
Old 07-04-15, 06:57 PM
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SoCalISF
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Originally Posted by ISFPOWER
i have brand new 245/35 275/35 michelin super sports in my closet. waiting to dial in perfect alignment with new RR racing bushings before putting it on.

im running a 20mm spacer with my current 275/35 now at camber setting of -1.2 . no rubbing. lowered a good amount.

255/35 is a bit too wide IMO if you want to have a flush set up.
Post some pics when you do, considering those sizes my late wheels.
Old 07-05-15, 07:27 AM
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Mike_1GO
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with an increase in tire diameter, does acceleration feel a bit slower?
Old 07-05-15, 09:57 AM
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Sean
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Originally Posted by lobuxracer
I am running the same tires on the 2014 rims. They do fill the wheel wells better. I haven't had them to the track yet, but braking and turn in are better. I'm betting midcorner speed will be up a bit as well, but it's hard to tell on the street.
I remember when you got the wheels and I thought it was the 245/35 / 275/30. I know some of us are considering 275/35 more now since you can get PSS in that size without going on a waiting list.
Old 07-31-15, 10:37 PM
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Originally Posted by lobuxracer
I am running the same tires on the 2014 rims. They do fill the wheel wells better. I haven't had them to the track yet, but braking and turn in are better. I'm betting midcorner speed will be up a bit as well, but it's hard to tell on the street.
Lobux do you happen to have a decent side view pic of your car with the late wheels and 255/35-275/35 tires on it?


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