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Pirelli Diablo Rosso Corsa 2

Discussion in 'General' started by twistychaser, Sep 6, 2020.

  1. twistychaser

    twistychaser Well-Known Member

    I'm just getting into track days and getting away from the streets. My question is about tire life. I know DOT requires a certain amount of tread depth. When running strictly on track though, how far can I take these tires on a novice pace? I'm looking more for a mm range on the tread and edge of the tire depth indicator holes. Can I run them safely to the point of almost slick as long as I'm riding a dry track? Surely they don't need to be changed for the track because the tread is to the wear markers, am I correct? Thanks in advance for your input.
     
  2. gixxerboy55

    gixxerboy55 Well-Known Member

    What, so your saying you want to run your street tires till they look like a slick,and if this is the hot setup for the track.
     
  3. michael_chicago

    michael_chicago Well-Known Member

    Change them at the wear markers. Hypersport tires are not that expensive and they’ll last forever at novice pace.
     
  4. pickled egg

    pickled egg Tell me more

    Before everyone jumps your shit, tires don’t last as long on the track, and all those idiots you see with cords showing on the street would have crashed themselves to Timbuktu a week of trackdays earlier if they ran those things even at a medium pace.

    If you’re smooth and consistent in your riding, the tires will tel you when they’re going off. They will go off well before the tire surface looks like the forehead of @Steeltoe.
     
  5. twistychaser

    twistychaser Well-Known Member

    Thanks for the feedback guys. Just trying to figure out if I need a new tire before I do a track day on the 28th. I don't want to take off a tire with some life left, but as stated above, not that expensive, so I think I'll go ahead with a new one. It's very close to wear markers, but I didn't know if those were basically to tell you that your DOT life is over, or if the tire in general is finished.
     
  6. TurboBlew

    TurboBlew Registers Abusers

    if I were paying $40 to mount a tire I could see some reservation about the expense. Thats where a 2nd set of wheels comes in handy.
    If youre just getting into trackdays you should have enough tread for roughly 75-95 laps.
     
  7. gixxerboy55

    gixxerboy55 Well-Known Member

    Generally the track day providers recommend that the tires be in good shape and no more than half worn. If you're new to Trackdays and are in the c group it's not as critical. Also you don't want to run old tires, as they age they tend to get hard.
     
    pittmeister likes this.
  8. Knotcher

    Knotcher Well-Known Member

    I've certainly thrown away every non-endurance race tire well before it was truly done.

    I don't regret any of it.
     
    gixxerboy55 likes this.
  9. motion

    motion Nihilistic Member

    Best advice I had as a novice: New tires are the cheapest insurance ever.
     
  10. Pneumatico Delle Vittorie

    Pneumatico Delle Vittorie Retired "Tire" Guy

    As a tire wears the tread rubber does heat cycle and tends to get harder. But more importantly as the tire looses tread thickness along with the bizillions of flex cycles that weakens the carcass this causes a big loss of performance.
     
    Last edited: Sep 6, 2020
    RichB and gixxerboy55 like this.
  11. StaccatoFan

    StaccatoFan My 13 year old is faster than your President

    Less rubber also has less material to hold heat. Heat's needed for grip.

    And nobody's said it, yet...but if your tire is almost to the wear marker, there's a chance you won't pass morning Tech.
     
  12. Knotcher

    Knotcher Well-Known Member

    upload_2020-9-6_20-36-2.jpeg

    It’s important stuff.
     
  13. notbostrom

    notbostrom DaveK broke the interwebs

    What is the date stamp on your tires?
     
  14. Kyle Brosius

    Kyle Brosius Well-Known Member

    0DBB1DD0-19D8-402B-A2D5-3253F2B23B6F.jpeg I’m a cheap bastard, I’d have a new tire mounted on a spare wheel and run that tire till it gets squirmy then swap it out. You can run tires a lot longer than most people do.
     
  15. twistychaser

    twistychaser Well-Known Member

    3318 rear
    0318 front

    I mounted them August/19

    2300 miles
     
  16. MGM

    MGM Well-Known Member

    Is the rear squared off? Most street tires will get a flat center section with that mileage. It jacks up the handling..
     
  17. twistychaser

    twistychaser Well-Known Member

    No, it has most tread in the center. I have done my very first track day on them as well in June. I live at the foot of the "Back of the Dragon" in Virginia. That is basically the extent of my riding is twisties. I think I'm going to order a new set and ride these in the mountain for a couple more weeks and call them good, mount my new set a few days before the 28th and get them scuffed in before the track day.
     
    svracer22 and gixxerboy55 like this.

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