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Thread: extreme summer rubber in winter......

  1. #1
    Join Date
    Mar 2003
    Location
    somers,ny
    Posts
    4,040

    extreme summer rubber in winter......

    Just wondering....


    anyone ever witness/experience any unusual damage/cracking/ reduced performance when their extreme summer rubber was exposed or used a wee bit in snow/freezing temp?

    Im keeping a car on streets this winter.......grrrrrrr.

  2. #2
    Join Date
    Jul 2011
    Location
    Arlington, VA
    Posts
    9,933
    My Cars
    2018 BMW M240i
    What temperatures are we talking about? What brand and model tires? I have MPSS on my car and Michelin says drive slowly over a short distance if the temperature is much below 40*F. It also says not to move the car if the temperature is 20*F or less. I live in metro-DC and the temperature will be above 40*F today so I’ll take him for a long drive.

  3. #3
    Join Date
    Mar 2003
    Location
    somers,ny
    Posts
    4,040
    Great info

    Dunlop would not tell me nada
    Direzza 3

    O-30
    Last edited by jrkoupe; 02-01-2022 at 03:52 PM. Reason: Add info

  4. #4
    Join Date
    Dec 2020
    Location
    San Jose, CA, USA
    Posts
    718
    My Cars
    1994 "532i6", 1998 528iT
    Don't. I drove Direzza Z2's in the winter once and that ruined the rubber. No more grip.

    OTOH if you just wanted the 200tw tread pattern to flex at shows, and never have it wear out... yes, cryo-treating track tires is the way.

  5. #5
    Join Date
    Mar 2003
    Location
    somers,ny
    Posts
    4,040
    Circuit

    Thnx but elaborate pls

    Drove on them
    ?

    How. Once? All winter ??? Often ??

    What temps

    This is a track day ride ….

  6. #6
    Join Date
    Jan 2012
    Location
    Southern NJ
    Posts
    209
    My Cars
    97 M3 Coupe, 05 LGT
    I've had probably 4 or 5 of sets of tires I started using mid-season that had plenty of tread left and were still very fast at the end of the season. I've left those tires on the car over the winter at times and I've also relocated some of those sets of tires to storage in my warm basement before it got cold. In both cases I noticed a fall off in feel and AX times the following season. Nothing drastic, but a 1-2% change can take you from the top of the leaderboard to mid-pack pretty quickly. It seems to be more pronounced with r-compound 200tw tires like the RE71R and A052. I never noticed that issue with Z2s, but they are a harder compound tire than some current offerings. Never saw any cracking in these tires, but I have seen cracking in max performance summer tires on my daily.
    Last edited by SLA; 02-08-2022 at 09:31 AM.

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