I realllllllllllllllly want to go with a 295/30/19 (or even a 305/30/19 MUHAHA jk) on the front and rears with my new square setup. I feel like that would be square enough on the wheels and short enough on top to minimize inner fender rubbing. I'm just worried about "inner suspension/brake" clearance as it says on the rim and tires calculator online. I have no idea what that means and how that affects the front.

10.5 up front is what I run with 285's. It is a quick easy and relatively inexpensive way to cure understeer. I am not sure it is all that Ideal myself though since it is inadvertently going to affect acceleration. I have RPF01's which are +15, and once I put a suspension on, I may have to roll my fenders a bit.

There are other ways to deal with understeer once your suspension is tunable. But for a quick dirty way to cure it, square setup on 285's works great.

It does. And no need to go above 9.5" if you're going 285 square. Keep the weight down and no stretching if tire brand changes.

wait what? :confused:

What are confused about :confused:

no need to go above 9.5" wheel if you're going with 285 square?

but you wouldnt run a 285 wide tire on a 10.5" wheel? but above you said you shouldnt go above 9.5" wheel on 285....you're advice is conflicting

Yeah. What's confusing? If your doing 285 tires there's NO need to use a 10" or 10.5" wheel. There's NO need to go above a 9.5" when a 9.5" wheel will be perfect. Not only is there no need, you shouldn't.


Correct. A 10.5" wheel is to much for a 285 tire in my book. Again correct. You shouldn't go above a 9.5" wheel if you're using a 285.

You drunk? High? Or just trying to be confusing to yourself?

Just wanna say, one thing everybody is forgetting here...stretchness of the tire is a function of both width AND sidewall height. 275/40 on a 10.5 wheel is less stretched than 275/35 on the same wheel.

What do you guys think is the upper limit (most negative) for camber on fronts for daily use? Im gathering camber helps reduce rubbing slightly , just wondering whats too much since the stock specs have a decent range to them.


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No more than 2 degrees for daily.

boy there is alot of bad info in this thread!

your book is screwy...

so Nissan is stupid for running a 285/35 on the rear nismo rims? :rolleyes:

Yes. Same with the -0.5 to zero front camber and -2 rear. Car handles like **** compared to a correct alignment.

What's a correct alignment?

my nismo didnt come with a -2 degree rear camber. it was -1.4/-1.6 from the factory (AFTER A 1" DROP IM -2)


where are you getting your info? the same tire book?

Correct per spec or correct for being correct?




How would you know your factory camber? Who aligns a new car? Most people do a before and after but the before already has the lowering springs on so that doesn't count. There's no way with OEM everything your front was that low, you'd be out if spec per nissan. Spec is -1.4 to +0.1.

Every car is different. Spec is -2.2 to -1.2 rear but it will always be more rear from nissan which is retarded, like a 285 on a 10.5.

Any book in the world. Ask one people on this forum if they think rear camber should be more than the front. You almost ALWAYS want -1 more in the front. For the track I plan on -3 front and -1.8 rear. For a good handling street car would be -2.5 to -2.0 front -1.5 rear.

i had to get new tires shortly after purchase so i had it alighned for sh1ts and giggles.

and i never said anything about my front camber settings. i was strictly talking about the rear


OEM i was within spec. (id hope so!)

after a 1" drop im at front: -1.7 rear: -2 (no camber kit used)

a 285 on a 10.5" rim isnt retarded......

It definitely isn't "retarded" if the tire fits well, and especially if it runs wide. Just like certain shoes run big and certain run small. Certain tires mushroom pretty good in 285 width on a 9.5" rim as well in reference to synolimits response. Too much mushroom definitely isnt desirable either. Again, i can see where both sides are coming from though.


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Again, tire depends, but I'm still more comfortable with 10% over. Typically, smoother ride, more sidewall protection, less chance of popping a bead. IF I'm at 100mph plus doing sweepers, I want zero chance. I want a good looking mushroom. Not a square or a round ball as posted.

I have a set of 285 on 9 9.5 10 10.5 sitting in my garage Pretty much the same ****, it doesn't matter unless u r racing professionally

http://imagizer.imageshack.us/v2/800...0/854/yn1n.jpg

http://imagizer.imageshack.us/v2/800...0/841/fnkv.jpg

http://imagizer.imageshack.us/v2/800...0/546/hjkz.jpg

Actually I counted I do have 9", 9.5", 10", 10.5" with 285s on there. $hit I need a life.

"Right alignment" is a bit subjective here...for a street car, safety is also a concern. An alignment with razor sharp response isn't for everyone either.

Static camber doesn't help with straight line braking either isn't it?

Also, negative 2 at stand still means -2.5 or even -3 during compression. Must take into account of the camber curve along with the static camber. I for one is glad that I didn't just blindly go for more front camber (based on my skill level and where I push the car).

Syno, just excuse some of us not being the pro driver and pro fabricator that you are.

Sorry for going off topic, back to tire discussion.

just incase anyone cares, the SO-4 pole positions run super wide for a 285 and the rim protection on it is the best ive ever seen. during lunch ill snap a pic of mine.

A pic definitely would be appreciated! I have heard they run narrower from some people, but knowing they run wide would be nice! Which tires did you have previously?


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the factory advan sports in 285/35
ventus v12's in both 285/35 & 305/30
cheap *** Kumho's in 285/35
now SO-4 pole positions in 285/35


apparently this is considered a retarded fitment SO-4 pole position in 285/35/19 on the factory nismo rim (10.5" wide)

http://www.the370z.com/members/fuct-...etarded-01.jpg

http://www.the370z.com/members/fuct-...etarded-03.jpg

http://www.the370z.com/members/fuct-...etarded-02.jpg

look at the rim protection....

(its not easy getting a good pic while they are on the car)

When ordering my next set of tires, I'm looking to go to the S-04's and possibly drop from a 295/35 to the 285/35 to save costs. My rears are 10.5" so it's nice to have the visual like that. :tup:

:tiphat: cool you can be retarded like me :tup:

Some people would argue I already am...

:inoutroflpuke:

love the tires sir! tirerack specs for tire width are awesome to help verify this stuff. they look like the 285/35/19 (10.3") runspretty close the 285/35/19 for the advan sport (10.3") as well based on tire rack specs. i do prefer the S04 tread pattern over the advan sports though.

did you notice any difference in feel between the tires?

i really enjoy these so4's so far. the advan sports were also a great tire. for the price id go so4. both are amazing in the rain! as far as feel, both are very very comparable with the daily driving i was doing.

v12's were decent for a budget tire.

hankook sucked and wore out quick

When I tried the v12s to save cost, I found them awesome in the wet due to the tread, but dry grip was lacking, and cornering felt very wobbly.

The only reason I don't stick with PSS' is cost, and them discontinuing the 265/35 size.

I have S-04s in 305 rear and 265 front. I know this is not a square set up but the tires cover the rims perfectly. Attached are my alignment specs. I am dropped on Teins just like Fuct, and I have rear camber arms and tow bolts!

I don't think you can get a better tire for the money. I pushed them very hard this past weekend on a mountain run and they performed better than I had expected, especially with a 170 more whp!:tup:

Have you had a chance to compare these with any "aggressive" driving? Im strongly considering these as long as they are close to the advan sports ive got currently!


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i think they are very comparable to the advan sports. get em, you will like them.

Are these sized on oem nismo wheels? If so, how if any did it effect the fender gap since the diameters are smaller then oem sized tires.

it would increase the gap if the tires arnt as tall. silly question or am i missing something? :icon14:

It is really not that noticeable on the rear tire because it is so meaty and is even with the finder, but you can notice more of a gap on the front if you know what you are looking for it. It does not look bad at all! For me cosmetics come second to performance, even though I don't track at this time. What am I talking about, the Nismo looks awesome and is functionally designed regardless of wheel gap! :p

Well thanks to fuct i now have to decide between

Michelin pilot super sports: longer tread life, most expensive, great performance

Michelin pilot sport a/s 3: longest tread life, "supposedly" just as good as most summer tire performance, peace of mind in cold, $200 less than pss's but $200 more than s04s

Bridgestone s04: cheapest tire, great performance, probably lowest tread life

Oh the agony of choosing! At least my company gets a tire discount now!



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Don't waste your time with A/S tires on the Z. They're just not good enough in any season.

The PSS' will be your best bet if you don't mind the cost. If not the S04's will be just fine. And treadlife is subjective based on the driver/foot. So take that into consideration as well.

Also, look and see if the tires you want come in the sizes you want.

Yeah i was a bit iffy on the AS tires. Im thinking im going to go 285/35/19 for tire sizing since i dont really plan to track anytime soon. Im not sure if i should be considering the Re11 as well since its still much cheaper than the PSS.

From what im reading the s04s have a slightly better response and a stiffer sidewall than the pss's, and the re11s probably have a slight up from the s04s as well from a street standpoint.

I understand driving patterns affect treadwear heavily, but i think its safe to say the PSS will last longer than the s04 or re11. I imagine about 20k for pss and 15k for either bridgestone. Im reading that both the re11 and the pss retain good grip throughout their tread life, i just havent heard anything about the s04s yet. I do like the flat sidewall look of the re11s. The s04 kinda looks a little bubblier than the pss and re11 but i could be wrong.



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Did you end up with 285? I'm currently running s04 265/35/19 on 19x10.5 and lowered on swift. Since it's a little stretched for my liking, I'm thinking to go for either 275 or 285. How was 285? no issue with rubbing or inner clearance?
BTW, are you Korean?