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Old 09-14-2003, 07:26 PM   #1
Malcolm WRX
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Question Tires: Bridgestone Potenza RE070 vs Dunlop SP9000

Tire Rack has the RE070s listed as ultra-high performance and the Dunlop SP Sport 9000 as max performance. Having driven on both extensively, I don't understand their rating system, where max is the highest non-racing performance category. The Dunlop 9000s are good tires, but from what I can tell from driving with the two on different cars, the 9000s are not even close to the RE070s in terms of grip. Thoughts?
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Old 09-14-2003, 07:55 PM   #2
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That seems screwy. Strange rating system.
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Old 09-14-2003, 08:41 PM   #3
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I thought the 9000 were high performance all season?
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Old 09-14-2003, 09:03 PM   #4
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Nope, the 9000s are summer tires. I've run them fast in torrential rain, and they did really well until they hydroplaned, but my guess is most other high performance tires would have hydroplaned sooner. In the conditions I was driving, liftoff occurred between 90 and 100 on a perfectly paved road. I felt comfortable in the high 80s, but there was no way I was going over 100 and I doubt the car would have gone much faster anyway. It was like driving on ice at that speed. My beef is with their dry performance, it seems weak, but then, they have pretty good tread life, so it is all a compromise.

It just makes me wonder why the SP9000 and RE070s are not in opposite categories.
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Old 09-14-2003, 09:23 PM   #5
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I've run 9000's on a Type R for 3 years. In my opinion they are not summer only tires, but depending on where you live...they're certainly not snow tires. They are all weather performance tires and on my R they were excellent in every respect.
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Old 09-15-2003, 07:30 AM   #6
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How can they be "all weather" if they're not acceptable in snow?
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Old 09-15-2003, 09:41 AM   #7
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Quote:
I've run them fast in torrential rain, and they did really well until they hydroplaned, but my guess is most other high performance tires would have hydroplaned sooner. In the conditions I was driving, liftoff occurred between 90 and 100 on a perfectly paved road.
You were driving 100 MPH, in a torrential rain, on a public highway? Not trying for a Darwin Award are you
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Old 09-15-2003, 10:25 AM   #8
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Quote:
Originally posted by Belvadere
I've run 9000's on a Type R for 3 years. In my opinion they are not summer only tires, but depending on where you live...they're certainly not snow tires. They are all weather performance tires and on my R they were excellent in every respect.
They are summer ONLY tires.

-st
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Old 09-15-2003, 10:26 AM   #9
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Default Re: Tires: Bridgestone Potenza RE070 vs Dunlop SP9000

Quote:
Originally posted by Malcolm WRX
Tire Rack has the RE070s listed as ultra-high performance and the Dunlop SP Sport 9000 as max performance. Having driven on both extensively, I don't understand their rating system, where max is the highest non-racing performance category. The Dunlop 9000s are good tires, but from what I can tell from driving with the two on different cars, the 9000s are not even close to the RE070s in terms of grip. Thoughts?
The 9000s won't compare at all. If you are looking for something comparable but not so pricey, I would go with the Kuhmo MX.

-st
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Old 09-15-2003, 04:21 PM   #10
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The SP9000s seem to be the "rain specialist" Max perf. tire.

One of the european car mags did a test of max perf tires about a year ago, and the 9000's definitely gave up a couple seconds to the likes of S02PPs and the Goodyear F1 whateveritis (Goodyear's highest-end street tire at the time), but in the wet-track portion of the test the 9000s came out on top of everything else pretty handily.

I can't say that I've driven on RE070s, but I can't imagine they'll do wonderfully in rain, but they might certainly be better in dry conditions.

Whoever mentioned high-performance all season is probably thinking of the SP5000s, which are completely different.

I'm not sure how tires get rated into those categories anyway. It may just be the manufacturer just decides how they want to sell a tire and label it that way. does anyone here know if there are objective tests/measures to assign tires?
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Old 09-15-2003, 05:31 PM   #11
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I consider the 9000s an adult max-performance tire (great in the rain, quiet, comfortable, excellent tread life, 90% of the grip at the maximum). That's what I was able to glean from the Tire Rack reviews, and why I am on my second set of 9000s.

If you want max dry performance, with no other parameters considered, there are other tires for you to look at than the 9Ks.

Kevin
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Old 09-15-2003, 07:41 PM   #12
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Quote:
Originally posted by gtguy
I consider the 9000s an adult max-performance tire (great in the rain, quiet, comfortable, excellent tread life, 90% of the grip at the maximum). That's what I was able to glean from the Tire Rack reviews, and why I am on my second set of 9000s.

If you want max dry performance, with no other parameters considered, there are other tires for you to look at than the 9Ks.

Kevin
Kevin, How are the 9K's in the snow? Are they a M+S tire or just a dry/wet tire?

Thanks,

LB

Never mind...I looked it up on TireRack...no winter use (i.e. snow)!

Last edited by Lowball; 09-15-2003 at 08:32 PM.
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