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Ultimate wheel and tire thread?


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#61 crainp Posted 17 March 2012 - 05:44 PM

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View PostNeoseven, on 16 March 2012 - 08:07 PM, said:

Baseball bat! :) I've done that on an RX-7 before, but I used one of those fender rollers on the GT-R when I switched to running GT-R rear tires at all four corners back in 09.  Just ordered my first set of Kumho V710 in 18" for my future track excursions.

Can you roll the front fenders with the plastic light that runs into it?  I have it on my 2012, can't remember if the earlier models had it.


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#62 Neoseven Posted 19 March 2012 - 03:27 PM

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View Postcrainp, on 17 March 2012 - 05:44 PM, said:

Can you roll the front fenders with the plastic light that runs into it?  I have it on my 2012, can't remember if the earlier models had it.
The 2009's are the same with the side marker light mounted at the separation between the front bumper and fender.  If I remember correctly (it's been three years) we rolled the fenders only along the top, just making enough room where it was catching.  Also, my car was lowered significantly with the Amuse spring kit.  I was running the stock rear wheels and tires front and back to try to get around some of the pushing I was experiencing with the car.  Eventually, I had a body shop flare the front fenders slightly and repaint them so it looks completely factory.



#63 sjj31 Posted 22 March 2012 - 05:26 AM

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View Postseanm@stillen.com, on 05 August 2011 - 03:10 PM, said:



The stock 20"  Dunlop Sport Maxx- the new one- are a pretty quick tire.  

I have some experience with the R888 and the NTO1 as a tire on a race car, and they both work out well. They are a streeable tire.  You have to pay attention to the -able.  They are closer to a real street tire though, than say a BFG R1, or a Hoosier.   The R1 and the Hoosier are a DOT tire, but you would never realistically expect to drive them on the street for anything more than a straight line shot to the track.

Instead of as much about the compound or quickness, I would look more into the widths.  Look at the Top Speed car from One Lap. They were on a 300 treadwear Michelin PSS tire, but in a huge size.

More width= more heat capacity. More heat capacity means you can run longer before you overheat them. It means they will last you longer because you are operating them in a range where they are happy.

And that gets me back to running a square setup.

Had an opportunity to pick up 8 full thread sport maxx from rdagher in 285/35/20 and planning on running square. Only issue is my rims are 10/11 vs OEM 9.5/10.5. Will the square 285s still work? I daily drive the car also but have a ton of track days scheduled this summer so I was stocking up! Bought 4 complete sets of tires (2 square dunlops and 2 sets 285/295 pss)


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#64 seanm Posted 22 March 2012 - 11:10 AM

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View Postsjj31, on 22 March 2012 - 05:26 AM, said:

Had an opportunity to pick up 8 full thread sport maxx from rdagher in 285/35/20 and planning on running square. Only issue is my rims are 10/11 vs OEM 9.5/10.5. Will the square 285s still work? I daily drive the car also but have a ton of track days scheduled this summer so I was stocking up! Bought 4 complete sets of tires (2 square dunlops and 2 sets 285/295 pss)

That is no issue. The 285 will go on a...I think 9 inch to 11 inch rim. Rif has been hooking up those tires.  He is a local LA guy.  I've been out to the track with him a couple times.

Edited by seanm@stillen.com, 22 March 2012 - 11:10 AM.



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#65 Deever112 Posted 21 April 2012 - 10:54 AM

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Great wheel & tire info.  Picked up a 2013 Black Edition a few weeks ago - new to this forum.  Will soon be purchasing extra sets of wheels.  Assume that offset of OEM 2013 20s same as 2012 specs.  Can anyone confirm?



#66 seanm Posted 23 April 2012 - 11:19 AM

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View PostDeever112, on 21 April 2012 - 10:54 AM, said:

Great wheel & tire info.  Picked up a 2013 Black Edition a few weeks ago - new to this forum.  Will soon be purchasing extra sets of wheels.  Assume that offset of OEM 2013 20s same as 2012 specs.  Can anyone confirm?

They haven't changed the offsets or sizes since 2009.


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#67 TheCutter Posted 23 April 2012 - 02:13 PM

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View PostDeever112, on 21 April 2012 - 10:54 AM, said:

Great wheel & tire info.  Picked up a 2013 Black Edition a few weeks ago - new to this forum.  Will soon be purchasing extra sets of wheels.  Assume that offset of OEM 2013 20s same as 2012 specs.  Can anyone confirm?

Welcome to the forum, Deever112!   :welcome:


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#68 Blackheart.RE Posted 23 April 2012 - 04:22 PM

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What tire brand and tire size will fit Volk VR.G2...

20"x10 +30 offset front
20"x11 +15 offset rear



#69 NJNYCGTR Posted 08 June 2012 - 10:42 AM

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Can I put Bridgestone REO70R2 fronts with REO70R rears or am I better off staying with the REO70R fronts until all 4 wear out and then change to Dunlop Sport Maxx?
Only thinking of changing because R2's have better traction, right?


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#70 Grunt0322 Posted 19 June 2012 - 11:28 PM

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Great thread with a lot of good info. Subscribed!


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#71 2010grntrsmo Posted 24 June 2012 - 09:44 PM

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Maybe someone can help me out. I will need a new set of tires within the next few months. I only drive my car on the street and am not concerned with grip or performance. The only thing I'm concerned about is making the tires last as long as possible. What tires do you guys recommend for long- life?



#72 djpathfinder Posted 25 June 2012 - 02:30 AM

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For the street, I would go with Michelin Pilot Super Sports.  They are quieter, lighter, cheaper and perform better than the OEMs.  Don't be afraid to go away from the OEM runflat tires that the car came with.


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#73 ATL_GT-R Posted 09 July 2012 - 08:46 PM

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I hate to ask a silly tire question, but here it goes:  Can I run 295/35 PSS on the front stock rims and the OE 285/35 Bridgestone RE07R RFs in the rear?


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#74 timsanders Posted 09 July 2012 - 09:19 PM

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View PostATL_GT-R, on 09 July 2012 - 08:46 PM, said:

I hate to ask a silly tire question, but here it goes:  Can I run 295/35 PSS on the front stock rims and the OE 285/35 Bridgestone RE07R RFs in the rear?
I am not sure,I do know they have to be within a certain percentage of overall diameter.


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#75 ATL_GT-R Posted 09 July 2012 - 09:25 PM

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View Posttimsanders, on 09 July 2012 - 09:19 PM, said:

I am not sure,I do know they have to be within a certain percentage of overall diameter.

Yeah, I am just not sure on the math. 35%x295 / 35%x285 versus stock ratio of 40%x255 / 35%x285.  Guess I could figure out what the max ratio delta should be and if the front is the numerator or denominator, but I am feeling a bit lazy.


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#76 audioenvy Posted 09 July 2012 - 09:34 PM

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View PostATL_GT-R, on 09 July 2012 - 08:46 PM, said:

I hate to ask a silly tire question, but here it goes:  Can I run 295/35 PSS on the front stock rims and the OE 285/35 Bridgestone RE07R RFs in the rear?

So there are four parts to the question, right?

(1) Will the 295/35/20 fit in the front? I believe the answer is YES but it may look puffy.

(2) Is the ride height difference going to be a factor? I believe the answer is NO because I am running 285/35-20 front and 295/35-20 rear and have no issues. I don't see why swapping would cause a problem.

(3) Will the car handle well? I don't think it will but I have no idea.

(4) Will it look as good as 285 front and 295 rear? NO.


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#77 ATL_GT-R Posted 09 July 2012 - 09:42 PM

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View Postaudioenvy, on 09 July 2012 - 09:34 PM, said:

So there are four parts to the question, right?

(1) Will the 295/35/20 fit in the front? I believe the answer is YES but it may look puffy.  I know it will fit

(2) Is the ride height difference going to be a factor? I believe the answer is NO because I am running 285/35-20 front and 295/35-20 rear and have no issues. I don't see why swapping would cause a problem.  This is really what I am curious about but the "tall" difference is what matters and I am uncertain if the divergence from stock can be on front or back

(3) Will the car handle well? I don't think it will but I have no idea.  Doesn't matter outside of 1200 miles of interstate driving, just dont want weird traction control interference

(4) Will it look as good as 285 front and 295 rear? NO. Hell no. You are correct.

See responses above.  I just want to make the long interstate drive to the strip where I will be putting 18's with MTs on the rear.  The 295 in front should help a bit with traction.


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#78 audioenvy Posted 09 July 2012 - 09:54 PM

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View PostATL_GT-R, on 09 July 2012 - 09:42 PM, said:

See responses above.  I just want to make the long interstate drive to the strip where I will be putting 18's with MTs on the rear.  The 295 in front should help a bit with traction.

Is this for your drive down to the beach party?! Makes total sense now. I'll bet a package of Oreos it doesn't matter which end is higher so long as the rotational difference is under a certain amount, which it is (at least for the Michelin 285 versus 295). Besides, isn't the Bridgestone 28" tall? The Michelin 295 is 28.1" tall.

Are you going to remove the passenger seat and put your tires in that space? Or will they fit elsewhere??


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#79 ATL_GT-R Posted 09 July 2012 - 10:10 PM

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View Postaudioenvy, on 09 July 2012 - 09:54 PM, said:

Is this for your drive down to the beach party?! Makes total sense now. I'll bet a package of Oreos it doesn't matter which end is higher so long as the rotational difference is under a certain amount, which it is (at least for the Michelin 285 versus 295). Besides, isn't the Bridgestone 28" tall? The Michelin 295 is 28.1" tall.

Are you going to remove the passenger seat and put your tires in that space? Or will they fit elsewhere??

Yeah, for the ride down to Beach Party.  I can fit the drag setup in the back seat, I believe.

Here is my math.  Is this correct?  Does it work?

Stock:          F 255x40% = 102;  R 285x35% = 99.75 ::  102/99.75 = 1.0226
Proposed:    F 295x35% = 103.25; R 285x35% = 99.75 :: 103.25/99.75 = 1.0351


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#80 audioenvy Posted 09 July 2012 - 10:15 PM

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Yes, that works. The 255/40-20 is 0.1" taller than the 285/35-20. What you are proposing is AT MOST 0.2" taller in front.


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