Time to ditch the summer tires?

Discussion in 'Wheels & Tires' started by SilverbackGT, Nov 10, 2019.

  1. SilverbackGT

    SilverbackGT New Member

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    I'm running my GT at VIR next weekend (HPDE2) and trying to make a decision on tire setup. My Michelin SS 305/30/19s still have some life left (about one more weekend worth) so I'd like to go ahead and wear em out. However, they're slippery on the street right now when it gets cold out and I'm wondering if it's time to swap them out for winter tires. I know it'll be easier to warm em up at the track but this is my first year driving track so a second opinion would be much obliged.

    Lows in the 30s and highs in the 40s

    Winter tire suggestions for North Carolina? I don't plan to drive my mustang in the snow, just cold temperatures.
     
  2. Mikthehun1

    Mikthehun1 Well-Known Member

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    Can't speak on the track question, but Pirelli Sotozero III's are very good on cold, dry pavement.
     
  3. OP
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    SilverbackGT

    SilverbackGT New Member

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    Great I'll check out those pirellis. I reached out to Michelin but I have a feeling they tell me to swap out the super sports for an all season tire.
     
  4. FDHog

    FDHog Well-Known Member

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    Just put Pilot Sport A/S 3+ on mine. The summer tires are on the rack.
     
  5. LarsenGrind

    LarsenGrind Well-Known Member

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    I have these as my winters. Have been using them two winters now. We dont get very much snow here in Copenhagen, Denmark. These tires have not seen more than two inches of snow so far. Most important thing is I feel confident driving the car with these tires in these conditions.
     
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    SilverbackGT

    SilverbackGT New Member

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    What size are you guys running? They're not available in 305/30/19
     
  7. FDHog

    FDHog Well-Known Member

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    255 and 275/40 19
     
  8. Mikthehun1

    Mikthehun1 Well-Known Member

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    You're better off with a narrower tire anyway for any snow that you do see. Too wide, and you wind up snowshoeing on top of the snow.
     
  9. Norm Peterson

    Norm Peterson corner barstool sitter

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    For the track, any tire that's at all suitable for that activity will need to be gradually warmed up over the first two or three laps, possibly longer. Drive with a little enthusiasm and pick up the pace gradually to build heat. I'm assuming Pilot Super Sports here, not the PS4S as I have no personal experience with the newer tire. I wouldn't trust any winter tire to hold up.

    Pilot Sport A/S 3+ should have enough cold-weather capability for the temperatures that you listed, and should be capable of dealing with light snow.


    Norm
     
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  10. kluke15

    kluke15 Well-Known Member

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    i dont know how people drive these cars in the snow let alone several inches of it. ive attempted here in reno i can barely let the clutch out without the car slipping. i know my tires arent the greatest but i cant grab worth a shit unless its dead flat. think im on the goodyear eagle f1 a/s
     
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  11. ElCid08

    ElCid08 Well-Known Member

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    Dealing with the same thing here in SC. Lows are dipping into the 20’s this week. Swapping my 4S’s for A/S’s.
     
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  12. Mikthehun1

    Mikthehun1 Well-Known Member

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    All season tires are no season tires unless you live in Arizona. The compound compromises to give "good enough" performance across a wide temperature range. Good enough isn't sufficient for extreme weather, especially in a performance car. If you had a good set of winter tires, you'd understand how much of a difference it makes. The car is easily driveable year round with the right rubber.
     
  13. kluke15

    kluke15 Well-Known Member

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    i guess so. my tires seem to do well enough in all conditions except snow. i had to replace the factory summer tires by like 2500 miles cause it was too cold here and i didnt have the option to go a set for summer and another for winter. will def be getting a second set when these ones are toast.
     
  14. Norm Peterson

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    In kluke's case, "good enough" would probably have to cover for exaggerated throttle response coming from that Lund 91 tune. Why do you think that factory tunes for snow/wet are even milder than "normal mode", let alone anything more responsive. Whether it's you working the pedal or the ECU translating that to the throttle plate, tire grip can only support a limited amount of throttle plate opening.

    I have no idea how effective the S550's traction control might be, but I can tell you that you're better off not trying to drive like it's still summer and relying on TC to keep you out of wheelspin.


    kluke - I'd strongly suggest swapping the tune back to OE for the winter and re-installing that Lund once the weather warms up again. And go a little (or maybe a lot) gentler with both the gas and clutch engagement getting the car underway. Don't even think of this in terms like "launching".


    Norm
     
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  15. Hack

    Hack Well-Known Member

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    I would run the Pilot SS tires on track and then change to winter tires for street use after that. I wouldn't want to burn up a fresh set of winter tires and then end up with poor traction until spring comes around. I've run the Pilot SS tires in cool and cold temperatures and they work surprisingly well. Just take it easy at first to get a feel for how they are doing (pretty much like you probably always do at the track).
     
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