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I have about 250 miles on the new Sumitomos and some impressions

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Old 03-21-2009, 04:49 PM
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jyoteen
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Thumbs up I have about 250 miles on the new Sumitomos and some impressions

Yes, the tires are still quiet. Quieter than the previous Michelins (even when the PS2s were new)

Grip is comparable on the street. Frankly, I don't think i'd ever push to the limit of the tire on the street. That's just asking for trouble without run off room and worse, traffic, if any. I live a stone's throw away from Angeles Crest Highway and I've seen pretty bad accidents up there in the form of spirited driving.

I bought these knowing full well that when I go to the track, i'll be running track tires, so the money you save here can be applied to a better performing tire specific to the application.

Wet performance is tough to gauge (although we did have some rain) because when it rained, the tires were really new so I wasn't going to push it there either. Grip in the wet seems reasonable.

Road feel is a bit muted due to the comfort that this tire seems to provide. Sidewall isn't soooo stiff that it's jarring. Responsiveness seems to be ok. Acceptable to me and I would think that I drive the car pretty hard.

Braking is tough for me to say because I run track pads on the street with the full complement of bus squeal. I've been too lazy to change those out and thus, the pads never get hot enough for me to really see if the tires provide the confidence in going deep.

That is all.

It is worth it to get these tires.
Old 03-21-2009, 05:21 PM
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BillJ
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great write up and let me tell you that on the track in the wet, they were still very grippy. Me like so far too...
Old 03-21-2009, 07:11 PM
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Dennis C
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I actually tried to have a set installed today but TireRack was sold out. I have to wait a week or two now.
Old 03-21-2009, 07:59 PM
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sparks259
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drove the III's on track.
grip is so-so, nothing to brag about.
Old 03-22-2009, 01:07 AM
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jyoteen
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Originally Posted by sparks259
drove the III's on track.
grip is so-so, nothing to brag about.
I would be unsatisfied with street rubber on the track so I'd be going with either something like toyos or Hoosiers
Old 03-26-2009, 02:45 PM
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Van
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Originally Posted by sparks259
drove the III's on track.
grip is so-so, nothing to brag about.
Ever drive PS2s on the track?
Old 03-26-2009, 02:58 PM
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Dennis C
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I have ordered a set. They are being installed at Tire Rack next week in South Bend.
Old 03-26-2009, 10:07 PM
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kitwetzler
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Originally Posted by Van
Ever drive PS2s on the track?
They're still street tires. Even the hottest street tires, the NT-05s and the new RE-11, etc, put the PS2 to shame, and they still suck on the track after a couple of laps. R compounds are a whole new ball game
Old 03-26-2009, 11:46 PM
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Van
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I specifically want street tires on the 996 so I can drive it to the track. (Which is only a few times a year.)

The rest of the time I trailer the race car, which only uses R compounds... but sometimes I feel like playing hooky from work and sneaking out with the 996.

FWIW, I've done about 3 events on the PS2s and found them not too bad.

Old 03-27-2009, 02:39 AM
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Edgy01
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Thanks for the write-up. What dimensions are you running F & R?
Old 03-27-2009, 09:25 AM
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programmatore
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Originally Posted by Dennis C
I actually tried to have a set installed today but TireRack was sold out. I have to wait a week or two now.
That explains why it took TireVan (local service that comes to your home or office to install and balance the tires) took 2 weeks to get the tires. They called me last week to tell me the tires were stuck in US Customs!

I got them mounted on Wednesday. So far so good -- and the Sumos are really quiet! Granted the Pirelli P-Zero Rosso Assymetricos they replaced were pretty worn.
Old 03-27-2009, 03:18 PM
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jyoteen
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Originally Posted by Edgy01
Thanks for the write-up. What dimensions are you running F & R?
stock C4s sizing. 235s and 295/30s in the rear
Old 03-27-2009, 04:51 PM
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springgeyser
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Originally Posted by kitwetzler
They're still street tires. Even the hottest street tires, the NT-05s and the new RE-11, etc, put the PS2 to shame, and they still suck on the track after a couple of laps. R compounds are a whole new ball game
I drove PS2 on the track for DEs and AX. They work fine for 20 min sessions and it is faster than some cars wearing Toyos. PS2 is a great all around tires if the price was not so darn high.

Some drivers need stickier compound tires to make up for other shortfall....
Old 03-27-2009, 05:06 PM
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CosmosC4S
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Originally Posted by jyoteen
stock C4s sizing. 235s and 295/30s in the rear
I believe the stock fronts are 225 instead of 235
Old 03-27-2009, 05:47 PM
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jyoteen
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Originally Posted by CosmosC4S
I believe the stock fronts are 225 instead of 235
right. I knew it didn't look right when I typed it.


Quick Reply: I have about 250 miles on the new Sumitomos and some impressions



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