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-   -   Newbie question on new tire setup (http://www.the370z.com/wheels-tires/28895-newbie-question-new-tire-setup.html)

xbigb4ller69z 12-10-2010 09:46 AM

Newbie question on new tire setup
 
What would be the ideal setup for the new volks TE37sls?

19x9.5 +22
19x10.5 +12


I'm looking at the RE11's. I'm thinking 305's in the rear and 265's in the front? what do you guys think? I want the most tire width possible.

ChrisSlicks 12-10-2010 09:57 AM

275 front, 305 rear.

xbigb4ller69z 12-10-2010 10:30 AM

275/35R/19 in the front? and 305/30R19 XL in the rear? how would the car be balanced?

Guard Dad 12-10-2010 11:08 AM

The 275/305 combo has the proper diameter front and rear and should look good but like you, I am wondering how it drives, rides and sounds. Fitting the widest possible tire to a given rim size can (not always) leave the tire poorly supported, the result being degraded handling instead of improved handling. I've seen a lot of positive feed back about the look and fitment of the 275/305 combo on the factory Sport rims (the rim size you are considering compares favorably with the 9" wide front/10" wide rear Sport rims and, according to the specs available on Tirerack.com, should support a 275/305 reasonably well) but not much on handling. As a side note, the wider tires should provide a little extra protection for the rims from curb damage.

I wouldn't mind hearing any thoughts on which tires offer the most grip, best wear, lowest noise and best ride. Going to the "wrong" wider tire could be as big of a mistake as going to the wrong size.

Chris_1 12-10-2010 11:12 AM

a 275 is not really the best idea as the car will drive very differently if its a daily driver car. If its more for show, then by all means, but if you are a daily driver dont do it. I would suggest a 255 / 305 rear combo. Its a good solid look, it wont be too stretched on the wheel, and your car will have that factory balance with a better look.

Urzakor 12-10-2010 11:50 AM

I'm picking up 19x10 and 19x11 wheels pretty soon. Any suggestions for size/fitment for those wheels? I figured 275/305 would work but I'm not sure how it affects grip/handling.

ChrisSlicks 12-10-2010 12:12 PM

Quote:

Originally Posted by xbigb4ller69z (Post 846045)
275/35R/19 in the front? and 305/30R19 XL in the rear? how would the car be balanced?

I've run this setup on the stock sports rims for well over a year and the handling has been great. Street, auto-x and some track driving has been done on this setup. On the rims you are looking at you have an extra 1/2 inch of width so the fitment should be perfect. This information is based on the RE-11 which has a very stiff outer sidewall, your results may vary with a different tire.

I would generally discourage creating a large width differential front to rear as that will throw off the car's natural handling balance.

xbigb4ller69z 12-10-2010 12:26 PM

so is 255 / 305 rear combo the best setup for performance/looks ? I have stillen sways right now. I just want to make sure I'm not losing any performane...

ChrisSlicks 12-10-2010 12:32 PM

Quote:

Originally Posted by xbigb4ller69z (Post 846215)
so is 255 / 305 rear combo the best setup for performance/looks ? I have stillen sways right now. I just want to make sure I'm not losing any performane...

A 50mm width differential is too much in my personal opinion, you will invite unwanted understeer.

christian370z 12-10-2010 12:36 PM

Quote:

Originally Posted by xbigb4ller69z (Post 846215)
so is 255 / 305 rear combo the best setup for performance/looks ? I have stillen sways right now. I just want to make sure I'm not losing any performane...

Not ideal, like Chris said you will get a lot of understeer so unless you want your car to push through turns instead of remaining balanced, you should go 275/305 or 265/295.

Guard Dad 12-10-2010 01:48 PM

Wider front tires can sometimes reduce steering precision. How did the 275/35's on the front affect the steering? The 265/295 or 275/305 sizing appeals to my "Bigger is Better" nature so I am eager to hear your feedback.

Chris_1 12-10-2010 02:07 PM

This can be debated all day, but if he is going to daily drive this car, a 275 is going to track like crazy, and he is going to hate the way the car drives. Its also going to add alot of added stress on the steering pump which people seem to forget. Its your car at the end of the day, if you are going to be tracking mainly on that setup, then what your doing is fine in my opinion.

ChrisSlicks 12-10-2010 02:07 PM

Quote:

Originally Posted by Guard Dad (Post 846329)
Wider front tires can sometimes reduce steering precision. How did the 275/35's on the front affect the steering? The 265/295 or 275/305 sizing appeals to my "Bigger is Better" nature so I am eager to hear your feedback.

I think the results may vary by tire, but with the RE-11's the steering is very precise. I was able to consistently win at our local auto-x events in the unlimited street tire class. With a softer sidewall tire I would have some concern of tire roll causing numbness, but it just hasn't happened with this tire. My tire guy hates them though, he always has a battle getting it onto the rim.

kenchan 12-10-2010 02:10 PM

i would use the stock nismo tire size for that setup and lower the ride considerably. :)

ChrisSlicks 12-10-2010 02:17 PM

Quote:

Originally Posted by kenchan (Post 846359)
i would use the stock nismo tire size for that setup and lower the ride considerably. :)

For the conservative side of things that is a good option too. Like wheels Chris said the narrower tires will track less on uneven road surfaces.

ClemsonWill 12-10-2010 02:38 PM

I have the 265/305 setup on my TE37s. I will agree that they track considerably more than the stock tires on uneven payment. However they have serious grip. With the TT setup you are probably going to want as much grip in the rear as possible.

Quote:

Originally Posted by ChrisSlicks (Post 846357)
My tire guy hates them though, he always has a battle getting it onto the rim.

My tire guy told me the same thing.

xbigb4ller69z 12-10-2010 03:34 PM

Quote:

Originally Posted by ClemsonWill (Post 846402)
I have the 265/305 setup on my TE37s. I will agree that they track considerably more than the stock tires on uneven payment. However they have serious grip. With the TT setup you are probably going to want as much grip in the rear as possible.

My tire guy told me the same thing.

how does you car feel when you daily drive it on the streets? do you think you lost any handling? gained?

zero 12-10-2010 03:43 PM

I am running 255/305 setup. I was afraid of increasing understeer so I compensated with a stiffer rear sway bar. The car feels great for long daily drive and a weekend canyon run.

ChrisSlicks 12-10-2010 04:07 PM

Quote:

Originally Posted by xbigb4ller69z (Post 846451)
how does you car feel when you daily drive it on the streets? do you think you lost any handling? gained?

I think overall I gained, and the tire was a key component of that. The tires were the very first thing I changed on the car, so initially I ran the new tires with stock suspension. In that configuration handling only got better, turn-in was still crisp and overall lateral grip was increased. There is probably slightly more tracking, but nothing that I find objectionable even on a 500 mile drive. With coilovers and sway bars I'm even more happy.

ClemsonWill 12-10-2010 06:57 PM

Quote:

Originally Posted by xbigb4ller69z (Post 846451)
how does you car feel when you daily drive it on the streets? do you think you lost any handling? gained?

Well, I don't daily drive it. I put around 500 miles on the RE-11s before I took them off for the winter. What little I have driven them I am very happy. It really all depends on what you are looking to get out of the tires. If you are looking for more of a daily driver tire, maybe consider something else. Ventus V12 tire is a popular choice. I have heard good and bad things about the tread life on the RE-11s. Once I get more miles on mine I will be happy to chime in about them.

import111 12-11-2010 02:12 AM

275/305 is about the same split as the stock 245/275...I would go 275/305.


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