Say I wanted auto-x tires for weather around -2C to 10C. What would work the best? I'd assume r-compounds are designed for outdoor temps of above 10*C. Would it be wise to go with a max performance summer tire (I'm thinking Toyo T1R)? Or something even more suited to auto-x in the league of Azeni 615's and the like?
HiTempguy wrote: Say I wanted auto-x tires for weather around -2*C to 10*C.
That is similar to 26 F to 50 F
All-seasons? 
That's what I'd run. A summer tire or R compound is going to feel like you're running on the wheels from a Power Wheels vehicle, that's for sure.
GameboyRMH wrote: All-seasons?
Yes, probably all seasons. But specifics is what I am after ;) Some sort of high performance all season that is designed for everything except snow would probably fit the bill.
The 195/45R15 Nexen 3000's I used actually had a suprising amount of grip this weekend. But I am looking for the best tire for these specific conditions (which due to the cheapness of that tire it is not).
Edit- Thanks for the conversion, I was gonna throw it up there but was hoping everybody knew (I got lazy). My bad.
I've run summer tires down to about 0F on an autocross course. The first run they don't have much grip, but after that they're fine.
Drop the pressure a bunch to generate some heat in the tread.
I find that most people who complain that summer tires have no grip in the cold have never driven them in the cold. Still WAY more grip than an all-season, provided there is no precipitation.
I autocrossed yesterday in sub-50*F weather (had to de-ice the windows in the morning even) on Azenis RT615's and had great grip.
I would recomend the high performance summer (r1r, or reo1r, etc.) They work well in the rain as well
I've run in January before (it was flurrying) on Yokohama A032Rs, and they were slippery as hell until about the third run. Then they gripped up a little, but it was still about the equivalent of sticky street tires.
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