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    Aug 25, 2006 8:46:51 AM

    997TT (HKG)
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    Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Which one is better for track? Michelin PS2 (not cup) or Pirelli Corsa (semi-slick)

    Aug 25, 2006 9:30:50 AM

    ray911
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    Reply to: 997TT (HKG)

    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Quote:
    997CS said:
    Which one is better for track? Michelin PS2 (not cup) or Pirelli Corsa (semi-slick)



    Depends probably on the car and condition. A tire tester from Porsche told me that the new Michelin PS2 with the two compounds which are used on the new Turbo are very good and currently his choice. He preferred them even to the Corsas which in the dry do not have a really advantage to the Michelin.

    I could not really believe this. But he said that the outer half of the Michael tire is a semi-slicks comound while the inner part is normal. Thus you have best of both worlds. In a fast turn on the track, the cars run more on the outer part with and thus gets the necessary stability.

    Aug 25, 2006 9:43:13 AM

    Eggplant Cab
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    Reply to: ray911

    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Well I can only relate what I saw at the track. My friend had Michelin PS2 at te ring on his Porsche 997TT and lapped consistently around 8.50-9 (with traffic). He then switched to PZero Corza the next day and cut about 15 seconds from his times. Traffic wasn't better and humidity and temps were about the same. He felt the corzas gripped better. I only drove his car on Corsas and compared to my experience with my 997S X51 last year, I'd say the PZero Corsas are grippier.

    Aug 25, 2006 2:09:04 PM

    WR
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    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    What is the working temperature for both tykes? Anyone know?

    Aug 25, 2006 3:10:40 PM

    997TT (HKG)
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    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Front 37 Rear 44?

    Aug 26, 2006 2:39:31 AM

    WR
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    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    working temperature, but of course, the racing slick should have higher working temp. For places like HK and Taiwan, I think it might be too dangerous for street use???

    Aug 26, 2006 9:15:50 AM

    Vincy
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    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    I have spent a lot ot time on the track with the PS2s, but in a Corvette. They are great, good tracting when cold and you can get away from the guys on track tire. When they warm up they are still good but the hot racing tires on other cars then get better. The PS2s are good on the street wet or dry. I don't want to change tires for the track so I keep buying the PS2s.

    Dec 15, 2006 7:04:13 AM

    Tboner
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    Reply to: Vincy

    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Neither Use Toyo R888 Track tyre on both road and track is a cut slick but grips better than the Corsa by a mile and lasts longer than the Mich, also more stable than the Mich , very noisy to use on the road ( a lot of tyre noise ) but oh the grip levels and the Toyo is just 60% of the cost of the Mich !!

    Dec 15, 2006 3:11:20 PM

    TT Surgeon
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    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Corsas are a better track tire than the ps2. But the msc cups are the best on the track.
    FWIW, Hoosier is selling racing tires at less than 300 each.

    Dec 16, 2006 1:41:20 PM

    guy2
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    Reply to: TT Surgeon

    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    there are three different versions of pirelli corsas available. which one are we talking about?
    and there are also several different versions of michelin ps2 tyres out there.

    please be me specific.

    Dec 16, 2006 2:05:15 PM

    eclou Offline
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    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    For track usage, everyone is kidding themselves if they think there is a better tire than the Hoosier R6

    Dec 17, 2006 9:14:43 AM

    Tboner
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    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Sorry the r888 is better than the Mich by a country mile , Mich's onlg get so much useage because of there tie up with the Porsche Cup deal and Porsche Clubs!! Hoosiers no idea on a Porsche used Hoosier on my oval race cars yes very very good but the wear rates Has anybody in the US tried the Toyo r888 ! worth a go if not cost is good and track consistency superb , just need 1 full heat cycle and they are ready .

    Dec 17, 2006 7:49:15 PM

    eclou Offline
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    Reply to: Tboner

    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Hoosiers will last anywhere from 1-4 hard weekends, depending on how much on-track time and the care you take to measure and adjust the tire temps/pressures.

    Dec 17, 2006 11:13:17 PM

    Tboner
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    Reply to: eclou

    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    here is a question , who runs what tyres and at what Cold Pressures and Hot Pressures

    Ill start off my track 996TT Cold 36 / 36 hot 48/48 ish

    Dec 17, 2006 11:15:27 PM

    Tboner
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    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Hoosier wear is very similar to the R888 Toyo's i get 4 t/days and the use in between usually 2000 Road miles + the T/days

    Dec 18, 2006 2:48:41 AM

    eclou Offline
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    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    with Hoosiers I use around 26-28psi cold and bleeding off over 40 psi. But most importantly I use a contact pyrometer to check the inner, middle, and outer temps of each tire

    Dec 18, 2006 6:35:37 PM

    Targa Tim
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    Reply to: Tboner

    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slick)

    Quote:
    Tboner said:
    Sorry the r888 is better than the Mich by a country mile , Mich's onlg get so much useage because of there tie up with the Porsche Cup deal and Porsche Clubs!! Hoosiers no idea on a Porsche used Hoosier on my oval race cars yes very very good but the wear rates Has anybody in the US tried the Toyo r888 ! worth a go if not cost is good and track consistency superb , just need 1 full heat cycle and they are ready .



    Hi Tboner,

    Is the Toyo R888 the same as the Toyo RA-1, as I couldn't find R888 on the Toyo website. Thanks.

    Mar 4, 2007 10:09:47 AM

    Tboner
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    Reply to: Targa Tim

    Re: Michelin PS2 VS Pirelli Corsa tyres (semi-slic

    No do not think so it s quite a new tyre for 2006 , just ordered 2 more sets for the 997TT ( only thing i will say by the way ) very very noisy for road use i am talking turn up the BOSE !!
     
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