Quote:
Originally Posted by CSG Mike
You get diminishing returns on gained grip with wider tires, but you do get more heat capacity. Keep in mind with smaller tires, the entire tire heats up faster.
The reduced rotational inertia will manifest as higher straight line speeds.
Imagine if the M3 had wheels lighter than yours. There are wheels in the 10 lb range that are 17".
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I just double checked and Hoosier actually doesn't sell 215 sized tires. So what would you recommend? 205 A6 would probably have great grip, but I'm a little concerned about them overheating, especially as I tend to have my fastest laps towards the end of my sessions. 205 R6 would probably have better heat capacity. That said I'm still waiting on an official ruling of what the new R7/A7 will be scored for 2015. Right now the R7's are a 13 point tire and the A7's are 22, which would put the A7's out of reach for me, even at 205 size.
Another option that I'm considering is moving to 225/45R17 Maxxis RC-1, simply because they have a very generous contingency program. 5+ in class means 1st gets 2 tires, 2nd 1 tire, 3rd one tire. 3-4 in class 1st and 2nd get a tire. I think I would be getting at least 2 tires a weekend (since they count Saturday/Sunday as separate events). Compared to the Hoosier's where you need 5+ in class for 1st to get 2 tires and 7+ for 2nd to get 1 tire.
I'm assuming that even at 205 the Hoosiers would probably still be faster than the 225 Maxxis, but I would be interested to hear your thoughts. I remember seeing you, @
CSG Mike in one of Maxxis' promotional videos.