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Camaro Z/28 Forum - Z/28 Specific Topics Discussions related to the 5th gen Camaro Z/28 model

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Old 07-12-2014, 10:08 PM   #76
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Quote:
Originally Posted by 1LEMayhem View Post
The surface of those tires looks like they were melted then cooled off.
Which set of photos? I posted some and backintops posted another set. I think what you're seeing is the clag that David Hobbs likes to talk about. You leave the track with hot tires and, on your way off the track, through the pits, and into the paddock, the tires pick up any little bits of rolled rubber left on the surface...
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Old 07-14-2014, 07:18 PM   #77
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Originally Posted by backtotintops View Post
rain might change one's opinion on "fun" though
I would never dive the Z28 in the rain. I have not washed my ZL1 the whole time I have had it 1 year 8 months and it never been in rain at all. It has not rained much at all here in San Diego. The tires make a BIG difference on the Z28. Now the ZL1 feels stiffer side walls than the Z28. It's like some one let air out of the back tires switching to the Bridg.
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Old 07-15-2014, 02:57 PM   #78
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Tires - the BIGGEST compromise on a car.....

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I would never dive the Z28 in the rain. I have not washed my ZL1 the whole time I have had it 1 year 8 months and it never been in rain at all. It has not rained much at all here in San Diego. The tires make a BIG difference on the Z28. Now the ZL1 feels stiffer side walls than the Z28. It's like some one let air out of the back tires switching to the Bridg.
Tires make a HUGE difference on any car. You got what you paid for. Not a bad compromise for the street, but there are better choices if cost is no object.

Michelin PSSs, Yokohama AD08Rs, Bridgestone RE-11s. All slightly better performers, at a higher price. Bridgestone S-04s are better for the street than Pirelli Trofeos. Smoother ride, quieter, less tramlining; MUCH better tread life, MUCH lower cost; but less cornering grip, of course. That's what you are feeling.

The whole suspension was optimized for the Pirellis, change tires and there will be some downside... S-04s still seem like reasonable choice for the street.

Oh, and check rear tire pressure; maybe somebody DID let the air out.

Best Regards,
John

Last edited by lostwon; 07-16-2014 at 12:54 AM.
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Old 07-16-2014, 02:02 PM   #79
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I will be installing a set of Yokohama AD08-R tires onto my street wheels, probably by the end of the week. I'll report back here, but am hoping these work better on the street than the Trofeos, while offering a sportier feel than the S-04s. The Yokos are known for having great grip, so I think they are worth a shot...
I just installed a set of Yokohama AD08-Rs on my OEM wheels. I've only driven them for a few (mostly freeway) miles so far and they're not broken in yet, but at first glance they seem to be a good middle-ground between Trofeos and the S-04 on the street.

1. There is NO tramlining on irregular surfaces, and I drove over quite a variety of not-smooth pavement during my ride home from the shop. In this regard it's as good as the S-04 for street use and very well-behaved.

2. They feel very responsive on the street, and are far better in this regard than the S-04. However, this was a 20-mile drive, and I didn't have a chance to push the tires at all. No high-speed cornering was attempted.

3. They are firmer -- with a slightly harsher ride -- and noisier than the S-04. However, they're nowhere near as harsh and noisy as the Trofeo.

I will report back after trying them under more aggressive cornering conditions, as I think the stickier/more aggressive nature of this tire, compared to the PSS, may make it the ideal street/high performance tire for the Z/28...
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Old 07-16-2014, 02:17 PM   #80
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Quote:
Originally Posted by lostwon View Post
Tires make a HUGE difference on any car. You got what you paid for. Not a bad compromise for the street, but there are better choices if cost is no object.

Michelin PSSs, Yokohama AD08Rs, Bridgestone RE-11s. All slightly better performers, at a higher price. Bridgestone S-04s are better for the street than Pirelli Trofeos. Smoother ride, quieter, less tramlining; MUCH better tread life, MUCH lower cost; but less cornering grip, of course. That's what you are feeling.

The whole suspension was optimized for the Pirellis, change tires and there will be some downside... S-04s still seem like reasonable choice for the street.

Oh, and check rear tire pressure; maybe somebody DID let the air out.

Best Regards,
John
34 lbs front and rear.
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Old 07-16-2014, 08:33 PM   #81
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One more point. When I left this morning for the tire shop, I was driving on the Trofeo Rs. About 10 minutes before leaving, I noticed it had started sprinkling. By the time I pulled out of the garage it was a major Texas deluge, complete with areal flood warnings. We live at the bottom of a canyon and the ride out was quite interesting. Let's just say I was extremely careful, with the Trofeos frequently hydroplaning at one (or more) corner(s) of the car; until I got on the main highway I was well under the speed limit.

I know a couple of people in California who use Trofeo Rs on their daily drivers (one actually owns a tire store), but I can't imagine doing that in the parts of the country that get actual rainstorms all year long...
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Old 08-01-2014, 10:58 AM   #82
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Has anyone considered or run a set of Hoosier R6's on track with the Z/28? If so, what were the outcomes? TIA.
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Old 08-06-2014, 03:51 PM   #83
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Quick update on the Yokohama AD08-Rs I'm running on my OEM wheels. I did a 500-mile trip last week, on the backroads between Austin and Dallas. The Yokos are great street tires; though not as comfy as the Bridgestone S-04 they are VERY tolerable on the street. On the comfort scale, they are way closer to the S-04 than the Trofeo R. They are noisier and stiffer/harsher (than the S-04), but this is not objectionable. They completely eliminate the tram-lining and nervous behavior with pavement irregularities that you get with the Trofeo R. I have yet to try them in the wet. Also, I still haven't had the chance to truly flog them, so I can't yet report on how well they perform at the limits...
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Old 08-06-2014, 09:34 PM   #84
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hi brt...

why did you get these when you already had the bridgestones? I love the bridgestones and have run them hard in wet, dry, offroad, dirt, mud, grass...great street tire...I went camping with my z last weekend and it fit my tent and cooler in the trunk!!!...try that viper! Never run them on a track but will autox with them soon. Just wondering???

The way I look at it...if I need the difference in performance between the bridgestones and trofeos ON THE STREET there is something wrong...never needed that extra yet and I drive very fast when I'm alone.
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Old 08-06-2014, 10:00 PM   #85
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hi brt...
why did you get these when you already had the bridgestones?
I really wanted to try them, and... [ahem] I have two Z/28s. The Bridgestones are on the CA/28 and the Yokos on the TX/28. So far I don't see much downside to the Yokos, so I'll be interested to see what they do when pushed. I am hoping they might be capable of handling a little AutoX and cool/damp track duty...

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I love the bridgestones and have run them hard in wet, dry, offroad, dirt, mud, grass...great street tire...I went camping with my z last weekend and it fit my tent and cooler in the trunk!!!...try that viper!
Wow -- kudos for using your car well and often! I'm guessing the Z/28 is one of the faster RVs out there...
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Old 08-06-2014, 10:10 PM   #86
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Oops...I must have missed that...that's great...what color?

Considering what gt3s cost its a steal at 75 ...smart move. I had to scratch hard just to get one.

As for tires..I'm going Hoosiers after the trofeos.
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Old 08-07-2014, 10:17 AM   #87
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Oops...I must have missed that...that's great...what color?

Considering what gt3s cost its a steal at 75 ...smart move. I had to scratch hard just to get one.

As for tires..I'm going Hoosiers after the trofeos.
#1 Silver, #2 White. I'm sure we'll hear back from you about the Hoosiers; can't wait to hear how that works out...
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Old 09-06-2014, 12:44 PM   #88
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I have yet to try them in the wet. Also, I still haven't had the chance to truly flog them, so I can't yet report on how well they perform at the limits...
So any chance you can report on the wet handling abilities and flogging abilities of the Yokohama AD08-Rs yet?
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Old 09-07-2014, 07:33 PM   #89
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So any chance you can report on the wet handling abilities and flogging abilities of the Yokohama AD08-Rs yet?
Sorry; no. I don't normally drive the car when it's wet, and none of my track events have been cool or damp.

So, all I can say is that the AD08-Rs feel a lot better and more responsive than the Bridgestone S04s, with far better turn in. They make the car feel a LOT more alive without feeling nervous, and without excessive tire noise. They seem to fit the car's design well -- but, as stated, I haven't tracked them yet...
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Old 09-07-2014, 11:54 PM   #90
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Thanks for the reply brt3.
I'm planning on changing out the originals for a tire to break in on and street drive till next year when I plan to start training at a local track.
As someone else said, the driver needs modified.
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Old Today, 02:24 AM   #91
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Has anyone tried the Michelin Pilot Super Sport?
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