Yes I ran the T1Rs for 300 miles (I think it was even more, closer to 500, but don't remember fully).
Sure it changes from when you first drive on them but that happens quickly, maybe less than 100miles. After that the poor cornering feeling did not change.
Maybe after 4k miles it may feel much better who knows. Maybe you get there sooner when shaving the tire.

Then I switched to PS2 because I hated the feeling so much and it was better with the SAME ALIGNMENT, EXACT SAME TIRE SIZE, ON THE SAME WHEEL, and the PS2 weren't even yet at 100 miles, if you really must talk about settling in.

But it still didn't feel as good as the OEM tires. But 80% of the people on this forum will not understand this and think you are an idiot because you liked the OEM tires. You walk on ice here in this forum, if you out yourself as someone not liking T1R, but liking OEM.

Probably what I in my case should have gotten are the S03's.

To the OP:
Since you changed your alignment, of course there is a chance that it got messed up. (I didn't, because I didn't want to rely on messy alignment in bad shops, when it was fine originally. Also I only moved from 225->245 and 245->275 on 8->8.5 and 8->9.5 wheels, so didn't think it should be necessary)
I am not sure about your description of the back end coming out with a 1 sec delay and so on...

So there is a chance that what you see is maybe not related to the tire.

What I am talking about is crispness of turn in vs. comfort:
With OEM even when going too fast into a 90 degree turn, it would literally feel like driving on rails. No sqealing tires, not an inch understeer, no getting into to the center lane (on a right hand turn). Huge feeling of lateral g's
With T1r same turns same driving, sqealing like crazy, getting into the center lane (understeer) and not much lateral g to be felt. Very mushy feeling on turn in, like the car is not following the turn in.
It overall felt really comfy with the T1R's if thats what you want.
With the PS2s much better same turn same driving, but still not as good as OEM.
And tire pressure was always same and in the 35-40 range (knowing that higher should give better feeling)

Hope this helps figuring out if you have a problem or not.

EDIT:
One more thing: The OEM were at around 4k miles if that makes any difference whereas both PS2 and T1R were new when I did the testing.
Also my tests were purely related to sidewall stiffness and fun on dry streets. Not to real traction on acceleration/hard braking to the point were ABS kicks in, or hydro planing and rain.
That's were the badness of the OEM may come in.

 

Falken RT-615's have a pretty stiff sidewall. I have had good luck with them.

 

Those are supposed to be really good tires, and when my current Falkens wear out, I will be probably trying those out. Their treadwear rating isnt that great though, and Im a little worried I will only get about 10k on them.

 

I would have to agree with pedroosan about the T1s. Also, the S02 and S03s have been discontinued. The RE050s that comes OEM with the 05+ G35 coupes are the replacements. After I wear out my T1s I'm going to have to look into other brands. But you can't argue the price difference. The T1s were about $230/ea and PS2s are close to $400/ea for 285/30/19s.

 

Those seem to be pretty expensive to me. I only paid about $150 a tire for my ST115's. I know they are not as aggressive perhaps as some of the tires mentioned, but they fit the bill. I think the RT 615s are only a little more money a tire as well.

 

I have the same observations and similar conclusions regarding the toyo T1S/T1R vs OEM RE040. I have the Conti SportContact II now, and they feel even more mushy than the toyos. However, both the SportContacts and the Toyos are light tires compared to their respective competitors.

All in all, it's not crisp handling, but the grip is all there. It's just a matter of preference, and I don't have a gripe with the mushy feel for daily driving. Once I put the R-comps in, I feel the difference in sidewall construction right away.

With 19" wheels, having a mushier tire makes daily driving more comfortable and quiet.

There are a few older threads on this topic:
https://my350z.com/forum/showthread....light=toyo+T1S
https://my350z.com/forum/showthread....light=toyo+T1S

Also, don't rule out aggressive offsets. It probably does something to the overall feel and wheel rates.

 

+1

Just wish they made them in a greater range of sizes

 

It’s not often we end up talking of tire feel vs driver’s style and preferences.

I don’t speed on the street. But I don’t slow down for corner much. I really like these 2 roundabouts near my place! I have to admit, Ohio is pretty flat and straight. I miss the hills a lot. I derive my driving pleasure from working the contact patch. Getting some rear wheel steering while powering out of a corner… Mmmmh good…

The re040 were ok for casual driving. Way too noisy if you were to push the boundary a bit. Good to warn the driver of impeding slide. I found them to be borderline treacherous in the wet though. The rears lasted 7,000 miles, including 4 track days.

Swapping to the wider Falken Azenis RT-615 was a big plus. Very stiff sidewall, “cheater grip” for a street tire. The performed much better in the rain as long as I had more than 50% thread. The rears lasted 8,000 miles and about the same amount of track days. Oh, once you get past the 50% thread, these tires are tons of fun in the dry! They give enough feed back that you can play hide and seek with the VDC/TCS, slidding the car just enough not to set it off. Fun!

Last summer, I switched to the Bridgestones KDW2 mainly because of their exceptional wet weather rating. I’ve had them for 13,000 miles now (no track for these) and I like them. Not as grippy or responsive as the Azenis, they perform very well in the wet. Not as noisy as the Azenis, they have this annoying rumble on light deceleration. I’m always wondering if I’ve blown a gear. Swapping to the smooth RA1 showed that to be a KDW2 “problem”.

One tire I miss is the Pirelli PZero Nero Asymetrico I had on my Suby. Not as grippy as the Azenis RT-215 I also had, these tires were ridiculously easy to drive at the limit. Very quiet, you can get them to slide through a corner on a whim. I don’t know how they did it, but the static and dynamic grip level, and the transient behavior in between, is very linear. So you slide and then catch the slide without upsetting the car’s balance. No snappy thingy. These are my next street tire.

 

+99999999

when i first went to the T1rs.. it didnt feel as responsive as my old T1s.. but after a good breakin period they felt great