Snow tires.....

[B Vibert]

Yup, I remember showing up at a particularly cold and wet autocross
track one October and taking FTD with Eagle GS-C's.  I beat quite a
few cars on "sticky" tires that day.  They just couldn't get enough
heat into them to make them work.

I also remember getting stuck in 2cm of snow with Yoko A509's.  They
were like riding on hockey pucks.

Burl Vibert
1987 5kcstq
Kingston, Ontario]



Larry C Leung wrote:
>
> As a side note, tire rubber has a point, called the glassing temp, at
> which the rubber
> tends to act more like, well, glass. For some summer tires, it's as high
> as 40-45
> degrees F, from the wet performance of my Kumho 712s in those temps
> (otherwise
> GREAT rain tires) I'd say that they glass then. I think my BFG R1s had an
> even higher
> glassing temp, at a 50 degree autocross in the past, I went into a
> downhill offcamber
> right hander on a go-cart course I was quite familiar with I went into it
> at my normal
> speed of about 40 MPH in my GTi and for the first time (remember cold
> tires, especially
> at the rear of a FWD car) I simply snap spun the car. Car was skitish
> most of the afternoon
> until the temps warmed, where upon I actually still won my class in the
> last run.
>
>