G
GreenGSX
Guest
Since I haven't been out in the garage a lot this week I'll go through my tire selection process.
Most of my track experience has been on R-comps but this last season I switched to street tires in an effort to reduce my costs. I picked the Khumo MX in a 255/40-17 for a couple of reasons. First off at $121/tire they were very affordable and there was enough info out there on them that I thought I knew what I was getting into. The skinny on them was that they had good grip, didn't turn to butter when they got hot, but they lacked in the turn-in department. Turns out they were dead on and my experience with them showed that no matter how hot they got they stuck but turn-in vanished. So that is my starting point.
These are the tires I considered.
Khumo XS. Brand new and not a lot of info out there on these. They were designed to beat the Falkens as the ultimate street tire. I liked the price at $151/tire but without knowing how they would hold up to track use I'm not going to take a chance on them.
Khumo MX. See my comments above. They work, they're cheap, but the turn-in goes away when they get hot. At only $137/tire they are on my list but at the bottom.
Bridgestone Potenza RE-01R and Bridgestone RE070 both look like good options but lack the sidewall stiffness of the Dunlops. If price weren't a concern I may have picked the RE-01R but it is..
Yokohama ADVAN Neova AD07. Lots of dry grip not so good in the rain and yes, they cost to much. $238/tire
Michelin Pilot sports. The ones that come stock on Porsche are race rubber disguised as street tires. These are the tires I would get if I were spending somebody else's cash. At $243/tire out of my league.
Dunlop Direzza Z1 Star Spec. These are supposed to have the same dry grip as the Bridgestones and Yoko's with better wet performance. The sidewalls are stiffer then the stones which I like and at $167/tire they were within our budget.
So, today I ordered six from the Tirerack with the special One Lap branding. Four to go on the car and two for the spares we will be bringing on the trailer.
Most of my track experience has been on R-comps but this last season I switched to street tires in an effort to reduce my costs. I picked the Khumo MX in a 255/40-17 for a couple of reasons. First off at $121/tire they were very affordable and there was enough info out there on them that I thought I knew what I was getting into. The skinny on them was that they had good grip, didn't turn to butter when they got hot, but they lacked in the turn-in department. Turns out they were dead on and my experience with them showed that no matter how hot they got they stuck but turn-in vanished. So that is my starting point.
These are the tires I considered.
Khumo XS. Brand new and not a lot of info out there on these. They were designed to beat the Falkens as the ultimate street tire. I liked the price at $151/tire but without knowing how they would hold up to track use I'm not going to take a chance on them.
Khumo MX. See my comments above. They work, they're cheap, but the turn-in goes away when they get hot. At only $137/tire they are on my list but at the bottom.
Bridgestone Potenza RE-01R and Bridgestone RE070 both look like good options but lack the sidewall stiffness of the Dunlops. If price weren't a concern I may have picked the RE-01R but it is..
Yokohama ADVAN Neova AD07. Lots of dry grip not so good in the rain and yes, they cost to much. $238/tire
Michelin Pilot sports. The ones that come stock on Porsche are race rubber disguised as street tires. These are the tires I would get if I were spending somebody else's cash. At $243/tire out of my league.
Dunlop Direzza Z1 Star Spec. These are supposed to have the same dry grip as the Bridgestones and Yoko's with better wet performance. The sidewalls are stiffer then the stones which I like and at $167/tire they were within our budget.
So, today I ordered six from the Tirerack with the special One Lap branding. Four to go on the car and two for the spares we will be bringing on the trailer.
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