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

Bridgestone Potenza S04 Pole Position

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Old 06-23-16, 03:02 PM
  #91  
badboylex
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So are 285 a go on our cars or not guys....
Old 06-23-16, 04:18 PM
  #92  
mikersoft
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Originally Posted by badboylex
So are 285 a go on our cars or not guys....
If you have 2012+ wheels, I'd say definitely. According to the posted specs on tirerack.com the S04 in 285/30 is fine on a 9.5 wheel.




Plus, Lou and others have given positive feedback with them on .5 inch narrower pre-2012 wheels. Check out the comments & pic by VtotheJ earlier in the thread.
https://www.clublexus.com/forums/is-...ml#post8974691

-Mike
Old 06-23-16, 06:21 PM
  #93  
badboylex
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Ok then.....the jury is in
Old 06-25-16, 12:01 PM
  #94  
UCrazyKid
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I've been running this set up for almost a year now and I love it. best set of tires all-around I have every had on the car including PS2's in stock sizes. This is my second 245/285 combo I've had on the car and the SO-4PP are wonder for traction, balance, noise and ride.

I'm also running the rear F-sport swaybar and RR Racing LCA bushing on an 2008.
Old 06-25-16, 03:31 PM
  #95  
badboylex
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What is the brand name tires on your car ucrazykid
Old 06-25-16, 05:41 PM
  #96  
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....look at the name of the thread.
Old 06-26-16, 07:44 AM
  #97  
badboylex
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Boy I love that look of the 285's on the back of the F with the stock wheel.
Old 06-29-16, 09:10 AM
  #98  
F_Throttle
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Alright. So originally I posted that I was going with 245/275 PSS.. But then the Ebay deal earlier this year really made the S-04s very attractive. I've had 2.5K miles on these so far and I kind of wish I stuck with OEM size.

If you ever take on back to back S-turns, you'll definitely feel the 'boaty' feel that other users are reporting caused by a bit more body roll. It feels like I have to do more work to transition in between turns. The turn-in is odd and I cant say if it was improved or worsen - maybe i'm not used to it, but I almost want to say that the understeer is slightly more pronounced? ie: think "dead on center".

The one thing that did change - was that I can no longer break traction. Which is a plus/minus when you have access to an open warehouse lot. The "catch" spot on a steering correction is alot more harder to feel.
Old 06-29-16, 09:18 AM
  #99  
badboylex
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Thanks man.....
Old 06-29-16, 03:02 PM
  #100  
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Might look into the 275's
Old 06-29-16, 05:03 PM
  #101  
idoke1
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Originally Posted by jum3
Alright. So originally I posted that I was going with 245/275 PSS.. But then the Ebay deal earlier this year really made the S-04s very attractive. I've had 2.5K miles on these so far and I kind of wish I stuck with OEM size.

If you ever take on back to back S-turns, you'll definitely feel the 'boaty' feel that other users are reporting caused by a bit more body roll. It feels like I have to do more work to transition in between turns. The turn-in is odd and I cant say if it was improved or worsen - maybe i'm not used to it, but I almost want to say that the understeer is slightly more pronounced? ie: think "dead on center".

The one thing that did change - was that I can no longer break traction. Which is a plus/minus when you have access to an open warehouse lot. The "catch" spot on a steering correction is alot more harder to feel.
Exactly my thoughts and opinion
Old 07-27-16, 04:42 PM
  #102  
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Originally Posted by jum3
Alright. So originally I posted that I was going with 245/275 PSS.. But then the Ebay deal earlier this year really made the S-04s very attractive. I've had 2.5K miles on these so far and I kind of wish I stuck with OEM size.

If you ever take on back to back S-turns, you'll definitely feel the 'boaty' feel that other users are reporting caused by a bit more body roll. It feels like I have to do more work to transition in between turns. The turn-in is odd and I cant say if it was improved or worsen - maybe i'm not used to it, but I almost want to say that the understeer is slightly more pronounced? ie: think "dead on center".

The one thing that did change - was that I can no longer break traction. Which is a plus/minus when you have access to an open warehouse lot. The "catch" spot on a steering correction is alot more harder to feel.

How does the car act when launching with the pole positions? I just purchased some but have yet to install.
Old 07-28-16, 08:29 AM
  #103  
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Hm, that's 245/275 on the stock sized wheels?
Old 07-28-16, 09:03 AM
  #104  
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Originally Posted by 512ISF
How does the car act when launching with the pole positions? I just purchased some but have yet to install.
I don't think launching is the problem with the users here. There is no slippage compared to the 255. But I don't know if that translate into faster times since this is a heavier tire.
Old 07-28-16, 02:12 PM
  #105  
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If you ever take on back to back S-turns, you'll definitely feel the 'boaty' feel that other users are reporting caused by a bit more body roll. It feels like I have to do more work to transition in between turns. The turn-in is odd and I cant say if it was improved or worsen - maybe i'm not used to it, but I almost want to say that the understeer is slightly more pronounced? ie: think "dead on center".

The one thing that did change - was that I can no longer break traction.

I recenty switched from 245/285 set up to 255/275 set night and day difference. Like you turn in was strange, increase understeer I had that bloatly feel as well. When on the highway hitting high-speed sweepers over triple digits is when I really felt understeer, and was even more pronounced. I never felt confident driving the car at high speeds on highways and transitioning between lanes at speed. The 255/275 have solved all those problems, understeer is no longer issue, much tighter more precise feeling as well as predictability mind you I only have about 500 miles on the tires and they feel world better than Old setup. As for traction is concerned so for the 275 or holding the power I used to break loose even with the 285 my power mods are I/H/E

Last edited by Weapon F; 07-28-16 at 02:50 PM.


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