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Dunlop Direzza Sport Z1

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Old Jan 15, 2008, 09:50 AM
  #76  
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Originally Posted by donour
Awesome info Rick. Thanks. How did you find the transient behavior. Thats the area where I really thought the RE01R was giving up ground to the AD07.

Am I correct in believing you ran Z1s in front and two RE01Rs in the back?

d

Yes that was the tire configuration we ran. I wanted to get a direct comparison w/o having the balance of the car affect the times. Also the first group was cold and dirty and we didn't know at the time if the Dunlops would get enough heat in the rear. As you know, the best thing about the 'stones are they good cold.

The Z1 transition well, they don't have that sidewall flop-over and then set feeling the RE-01s have. At the same time they have a slight numbness like a worn r-compound.

The course had some high g transitions and a long national like slalom and the car felt great.
Attached Thumbnails Dunlop Direzza Sport Z1-cs-1-13-08-map.jpg  
Old Jan 16, 2008, 11:23 AM
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Originally Posted by SS RX7 r2
Yes that was the tire configuration we ran. I wanted to get a direct comparison w/o having the balance of the car affect the times. Also the first group was cold and dirty and we didn't know at the time if the Dunlops would get enough heat in the rear. As you know, the best thing about the 'stones are they good cold.

The Z1 transition well, they don't have that sidewall flop-over and then set feeling the RE-01s have. At the same time they have a slight numbness like a worn r-compound.

The course had some high g transitions and a long national like slalom and the car felt great.
Interesting. I wonder how they fair heads up with the neovas.

d
Old Jan 17, 2008, 03:04 AM
  #78  
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Are there any other places besides TireRack that sell these? I searched around Google and found that only carry it.
Old Mar 10, 2008, 01:45 PM
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bump to get an update on the Direzza's
Old Mar 10, 2008, 06:20 PM
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Originally Posted by Bosshog
bump to get an update on the Direzza's
We ran them yesterday at a pre-event to SCCA San Diego national tour. We came in 1-2 in the STU Street tire class. You guys should see my new wing endplates.
Old Mar 11, 2008, 05:14 PM
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i might give it a try also

Last edited by HaVoC RR; Mar 11, 2008 at 05:16 PM.
Old Mar 11, 2008, 05:19 PM
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if i can sell my stock advans i think i might give these a try. iwant something that will last a bit longer than the advans.
Old Mar 12, 2008, 06:33 AM
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good luck getting them in 245 40 17
Old Mar 13, 2008, 08:30 PM
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where are you guys finding these at? they are on back-order everywhere i checked
Old Mar 13, 2008, 08:51 PM
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The Direzza Z1 are discontinued. They are being replaced by Direzza Z1 Star. Neal said Evo fitments should be available by the end of the month.
Old Mar 14, 2008, 04:09 AM
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Originally Posted by SilvrEvoIX
The Direzza Z1 are discontinued. They are being replaced by Direzza Z1 Star. Neal said Evo fitments should be available by the end of the month.
do you know why? didn't they pretty much just come out?
Old Mar 14, 2008, 08:26 AM
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Originally Posted by FastAzzEvo
do you know why? didn't they pretty much just come out?
We had a set last Sept., but they've been out in Japan for a while. The new tire is a compound change with the same tread, which will be better for street driving, as it doesn't need as much heat to get grippy.
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