Sport techno tire choices
12-17-2012, 12:39 PM
#16
Yes, I got that off Porsche.com. It was a good catch because I learned they feel a wider rear tire more desirable on the 4S, even though its the same wheel as on the 2S. Probably simply that they know how much fatter the 4 guys like their rear ends, so gave them the fattest tires to go with. I mean, what good is a fat butt without thunder thighs to balance things out? Seriously, both sizes are within the range of ideal fitments, so get whatever turns you on.
Thanks.
12-17-2012, 03:01 PM
#17
Burning Brakes
According to the Porsche Tequipment brochue the Sport Techno tire size on the rear is the 305. No question whatsover. You can download the brochure in colour PDF form from the Porsche web site.
12-17-2012, 03:10 PM
#18
So we know all 4S rear wheels are 305. But what about the 2S sport techno wheels? The consensus here in the forums seems to be that they are 305 in the rear as well. The fact that you can't order wheel spacers with them in the configurator kind of supports this.
Sorry, I'm not familiar with what N rated means. Could you please clarify? Also, does this mean they don't plan on offering a 305 size for the Super Sports?
Thanks.
Sorry, I'm not familiar with what N rated means. Could you please clarify? Also, does this mean they don't plan on offering a 305 size for the Super Sports?
Thanks.
Now go look at the C2S. Same 11 & 11.5" wheel choices. Only these cars come with 295's not 305's. Why? Good question. Very well could be as I joked above, they know their market. In the event of a bona fide engineering answer, I defer to Gary.
N cert tires are simply the exact OE tire. Otherwise identical tires MAY be slightly different. Main thing to know is NEVER mix your tires. All kinds of mysterious handling quirks are certain to vex you if you do. Google it and read the excellent Tire Rack answer for more.
12-17-2012, 03:19 PM
#19
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MPSS is definitely a better tire than the Pirellis I'm using right now, but that doesn't mean the Pirellis are crap. These are tires I'd have killed for in the nineties, wet or dry. The MPSS are just better yet.
Gary
12-17-2012, 04:14 PM
#20
Burning Brakes
The main confusion I'm seeing is people referring to wheels as if they are tire sizes: "So we know all 4S rear wheels are 305." No. Wrong. All 4S rear TIRES are 305. The WHEELS are 11Jx20.... except for the Sport Techno which is 11.5Jx20. In all cases they mount a 305/30 ZR20 tire. So... Regardless of the wheel being 11 or 11.5 they mount the same 305 tire.
Now go look at the C2S. Same 11 & 11.5" wheel choices. Only these cars come with 295's not 305's. Why? Good question. Very well could be as I joked above, they know their market. In the event of a bona fide engineering answer, I defer to Gary.
N cert tires are simply the exact OE tire. Otherwise identical tires MAY be slightly different. Main thing to know is NEVER mix your tires. All kinds of mysterious handling quirks are certain to vex you if you do. Google it and read the excellent Tire Rack answer for more.
Now go look at the C2S. Same 11 & 11.5" wheel choices. Only these cars come with 295's not 305's. Why? Good question. Very well could be as I joked above, they know their market. In the event of a bona fide engineering answer, I defer to Gary.
N cert tires are simply the exact OE tire. Otherwise identical tires MAY be slightly different. Main thing to know is NEVER mix your tires. All kinds of mysterious handling quirks are certain to vex you if you do. Google it and read the excellent Tire Rack answer for more.
12-18-2012, 12:04 PM
#21
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The main confusion I'm seeing is people referring to wheels as if they are tire sizes: "So we know all 4S rear wheels are 305." No. Wrong. All 4S rear TIRES are 305. The WHEELS are 11Jx20.... except for the Sport Techno which is 11.5Jx20. In all cases they mount a 305/30 ZR20 tire. So... Regardless of the wheel being 11 or 11.5 they mount the same 305 tire.
Now go look at the C2S. Same 11 & 11.5" wheel choices. Only these cars come with 295's not 305's. Why? Good question. Very well could be as I joked above, they know their market. In the event of a bona fide engineering answer, I defer to Gary.
N cert tires are simply the exact OE tire. Otherwise identical tires MAY be slightly different. Main thing to know is NEVER mix your tires. All kinds of mysterious handling quirks are certain to vex you if you do. Google it and read the excellent Tire Rack answer for more.
Now go look at the C2S. Same 11 & 11.5" wheel choices. Only these cars come with 295's not 305's. Why? Good question. Very well could be as I joked above, they know their market. In the event of a bona fide engineering answer, I defer to Gary.
N cert tires are simply the exact OE tire. Otherwise identical tires MAY be slightly different. Main thing to know is NEVER mix your tires. All kinds of mysterious handling quirks are certain to vex you if you do. Google it and read the excellent Tire Rack answer for more.
Chuck got it right. The choice was made for reasons of style, where the eye picks up differences that have no performance effect.
Gary
12-18-2012, 02:08 PM
#22
Race Car
Re the original posting: 305 SuperSports on the Sport Techno wheels sound to me like a very good choice for looks, feel, actual perfromance and that general sense of well being that comes from knowing that your money is going to a worthy cause.
