Nissan 370Z Forum

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-   -   Why you should use these tires with NISMO Wheels: 285/35R19 (F), 325/30R19 (R) (http://www.the370z.com/wheels-tires/96741-why-you-should-use-these-tires-nismo-wheels-285-35r19-f-325-30r19-r.html)

solidus 05-11-2016 11:29 AM

Setup ordered!! I'll be in the club next week. Ordered RE11's in 275/30R19 F and 325/30R19 R for the Nismo. Will most likely have the tires installed, take the car to have the AC system evac'd and then to the garage for BP single install. Tires just in time for massive power increase.:happydance:

Tires arrived today. Sending the 275/30's back and waiting for next Wed for the 285's to come

Edit** 285 arrived today (Monday) already dropped off at tire shop for install tomorrow morning. Pics to come.

solidus 05-17-2016 11:53 AM

4 Attachment(s)
:happydance::stirthepot:

Halfkiddio 05-18-2016 08:38 AM

Quote:

Originally Posted by solidus (Post 3481531)
:happydance::stirthepot:

I feel sorry for the guy who had to mount those rears. Wide tires on a narrow (in context) wheel isn't fun.

JARblue 05-18-2016 09:44 AM

Quote:

Originally Posted by Halfkiddio (Post 3482070)
I feel sorry for the guy who had to mount those rears. Wide tires on a narrow (in context) wheel isn't fun.

Are you suggesting that 275mm tires on a 9.5" wide rim and 325mm tires on a 10.5" wide rim are too wide?

Halfkiddio 05-18-2016 10:19 AM

Quote:

Originally Posted by JARblue (Post 3482144)
Are you suggesting that 275mm tires on a 9.5" wide rim and 325mm tires on a 10.5" wide rim are too wide?

IMO, yes. I currently have a 265/35 and a 285/35 setup on my sport package rays, and I don't exactly like how they feel on the dragon. However, they are the first tires i've run in this sizing, so I am holding total judgement until I can try out another brand once these wear out.

The 275 on a 9.5" wheel is fine, but a 325 on a 10.5" wheel is too much for me. i would want an 11.5" to a 12" wheel for that size.

VinceThe1 05-24-2016 12:27 AM

Quote:

Originally Posted by solidus (Post 3481531)
:happydance::stirthepot:

Congrats! You had 275/30R19 for the front? Good thing you sent those back as they're far too small in overall diameter. They should be 275/35R19 or (even better) 285/35R19. Are your 285s 30s or 35s?

VinceThe1 05-24-2016 12:32 AM

Quote:

Originally Posted by Halfkiddio (Post 3482070)
I feel sorry for the guy who had to mount those rears. Wide tires on a narrow (in context) wheel isn't fun.

Depends on the tire, if it's a stiff sidewall runflat then yes, they're probably impossible to mount. My coopers however fit relatively easily, I watched them install them and it didn't look like like they had any difficulties whatsoever.

VinceThe1 05-24-2016 12:47 AM

Quote:

Originally Posted by Halfkiddio (Post 3482187)
IMO, yes. I currently have a 265/35 and a 285/35 setup on my sport package rays, and I don't exactly like how they feel on the dragon. However, they are the first tires i've run in this sizing, so I am holding total judgement until I can try out another brand once these wear out.

The 275 on a 9.5" wheel is fine, but a 325 on a 10.5" wheel is too much for me. i would want an 11.5" to a 12" wheel for that size.

To each his own, I hate the stretched look of the original 245/285 setup. Do meaty tires make the ride floatier? Sure, but barely. I love the composed ride with those tires and they really protect the wheels..and I don't mean from curb rash, I mean from bumpy roads, DIPs, potholes, etc.

To anyone that wants to install stretched and/or really low profile tires on their wheels on anything by a show car, don't. Even with forged wheels, you need adequate tire sidewall to cushion the blows sometimes experienced on regular roads. I know from experience...I bought 4 brand new front 19x9.5 +40 2014-2015 Z34 Nismo FORGED RAYS wheels for my Acura TL, then fitted 275/30R19 Nittos on them...and now, after a year of daily driving, when I put the car on the lift, 3 of the 4 wheels are slightly eggshaped. No such thing with my beefy tires on my Z...trust me, NO wheel is strong enough for daily driving with rubberband tires. Whoever doesn't believe me can experience it first hand.

It is much better for the ride, your wheels, your tires, your suspension, your kidneys, etc. to have a respectively narrower wheel with a wide, meaty tire than to have a wide wheel with a respectively narrow, skinny tire.

solidus 05-24-2016 05:02 AM

Quote:

Originally Posted by VinceThe1 (Post 3485548)
Congrats! You had 275/30R19 for the front? Good thing you sent those back as they're far too small in overall diameter. They should be 275/35R19 or (even better) 285/35R19. Are your 285s 30s or 35s?

The fronts are 285/35. RE11's don't come in a 275/35. And the tire guy was hating life. This setup rides better than the stock setup did.

cv129 05-24-2016 07:06 PM

Hi VinceThe1,

From a rim protection stand point, I agree with you.

From a performance stand point...I do think that there's a diminishing return. I've always thought tread width should closely match the rim width (measuring inner barrel, not lip to lip).

Measurement #'s from TireRack:

Tread Width - 285/35/19 RE11 has tread width of 10.4", which practically equals the Nismo rear rim width. The measurement is from the tire mounted on a 10" rim, so mounting it on a 10.5" inch would give it a slightly bigger tread width #.

Section Width - this is sidewall to sidewall width, same tire is 11.4". I think Nismo rears is around 11.5" lip to lip. Looking at my rears, the tire sidewall looks to be flat, if not at a ever so slight angle, so I see your point on rim protection.

However, with 325/30/19, tread width of 11.5" was measured on a 11.5" rim. Mounting it to a narrower rim will decrease the actual contact patch. I don't know the exact math, but I want to point out it the tire treads across the width aren't getting evenly pushed to the ground, hence not quite effectively being utilized. As far as ultimate grip goes, 325 probably still beats 285 on the same 10.5" rim, but I think mounting overly wide tires onto relatively narrow/skinny rim width that's out of range shouldn't be used as a blanket conclusion IMHO.

My theory is for street tires. Slicks are something else.

VinceThe1 05-25-2016 10:21 AM

Quote:

Originally Posted by cv129 (Post 3486144)
Hi VinceThe1,

From a rim protection stand point, I agree with you.

From a performance stand point...I do think that there's a diminishing return. I've always thought tread width should closely match the rim width (measuring inner barrel, not lip to lip).

Measurement #'s from TireRack:

Tread Width - 285/35/19 RE11 has tread width of 10.4", which practically equals the Nismo rear rim width. The measurement is from the tire mounted on a 10" rim, so mounting it on a 10.5" inch would give it a slightly bigger tread width #.

Section Width - this is sidewall to sidewall width, same tire is 11.4". I think Nismo rears is around 11.5" lip to lip. Looking at my rears, the tire sidewall looks to be flat, if not at a ever so slight angle, so I see your point on rim protection.

However, with 325/30/19, tread width of 11.5" was measured on a 11.5" rim. Mounting it to a narrower rim will decrease the actual contact patch. I don't know the exact math, but I want to point out it the tire treads across the width aren't getting evenly pushed to the ground, hence not quite effectively being utilized. As far as ultimate grip goes, 325 probably still beats 285 on the same 10.5" rim, but I think mounting overly wide tires onto relatively narrow/skinny rim width that's out of range shouldn't be used as a blanket conclusion IMHO.

My theory is for street tires. Slicks are something else.

What you said about not using the whole tread is true and actually very beneficial to me. The 370Z calls for heavy camber in the rear (compared to let's say, a sedan), so his actually helps a lot with camber wear. The 285s that came with my wheels were like new amd in less than 10k (of my driving), the inside was bald while the outside looked nearly new. With the 325s, nearly 2 years and 25k later, I still got plenty of tread on the inside and much less camber wear overall. :tup:

As far as traction goes, wider tire doesn't give you extra traction, the compoind of the tire does. A wider tire gives you a wider contact patch, but a shorter one. Also, even if you go get a larger contact patch you still don't get more traction as the weight of the car just gets distributed more evenly over the lager area so each square inch has less pressure on it so less traction, but it's compensated with the extra surface area.

The one true benefit of wider tires is less heat and less stress per square inch = less wear. There are drawbacks too like added weight, easier hydroplaneing, extra cost, and internal wear/skipping on sharp corners (not noticeable for the most part)

I chose the wider tires as for me, they have much more benefits than drawbacks.

Spooler 05-25-2016 12:59 PM

Quote:

Originally Posted by solidus (Post 3485581)
The fronts are 285/35. RE11's don't come in a 275/35. And the tire guy was hating life. This setup rides better than the stock setup did.

Hunh, the guy that has done 2 sets of tires for me in this size RE11's hasn't had any issues at all. Never said a pep about it.

VinceThe1 05-25-2016 08:15 PM

Quote:

Originally Posted by solidus (Post 3485581)
The fronts are 285/35. RE11's don't come in a 275/35. And the tire guy was hating life. This setup rides better than the stock setup did.

Excellent :tup:

275 or 285 in a 30 aspect ratio would of been way small

VinceThe1 05-25-2016 08:16 PM

Quote:

Originally Posted by Spooler (Post 3486803)
Hunh, the guy that has done 2 sets of tires for me in this size RE11's hasn't had any issues at all. Never said a pep about it.

Did he mount them on the front or the rear? On what size wheel?

solidus 05-27-2016 11:47 AM

Quote:

Originally Posted by Spooler (Post 3486803)
Hunh, the guy that has done 2 sets of tires for me in this size RE11's hasn't had any issues at all. Never said a pep about it.

Not sure what your guy mounted but I'm refering to the 325 rear going on a 10.5 Nismo Rays. I went to a pretty reputable installer and they came to get me from the lounge to explain why it was taking so long. They just said that the sidewall was giving them hell mounting it. It was'nt impossible just not a standard mount.


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