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      09-10-2011, 06:29 PM   #1
NewYearsBoy
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michelin pilot super sport.. WOW

I really like the RFTs but every time I switched to a NonRFTs the ride felt crappy.. So I just had the michelin pilot super sports put on the car and the tires feel GREAT!!!! I am so happy with the look and the price.

I had to take my Mommoms XJ sport to get my car....

Here are some pics...

The first pic is what condition the tires were in before the new tires were on..

and as I was leaving I went to see some friends at the Lambo dealer and ran into something unexpected...

Question... Why does the tire have those feelly things on the sidewalls??
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      09-10-2011, 07:08 PM   #2
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Those rubber whiskers are just a part of the tire manufacturing process.

Quick google search brought up this.

The vast majority of tire molds in use today have vents
and/or microvents to expel air trapped between the green
tire surface and the mold surface as the bladder expands
the green tire into the mold cavity. Typically, the
microvents are between 0.020-0.040in (0.5-1mm) in
diameter and vents are between 0.040-0.060in (1-2mm)
in diameter.
Both types can extend an inch or more in depth into the
mold. A typical passenger car tire mold contains
thousands of these vents. The bladder expansion
pressure, combined with the elevated curing temperature,
causes some of the tire surface rubber to ‘extrude’ into
these vents during each cure cycle. When the cure cycle
is over and the tire is released from the mold, most of the
the extruded rubber in these vents remains attached to
the cured tire and pulls back out to form the familiar
rubber ‘whiskers’ on new tires.
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      09-10-2011, 07:37 PM   #3
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curious what a 300 rating on these tires means in real world driving
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      09-10-2011, 08:08 PM   #4
dcho
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hmm maybe they're meant to keep birds off
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      09-10-2011, 08:25 PM   #5
NewYearsBoy
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Quote:
Originally Posted by HISI808 View Post
Those rubber whiskers are just a part of the tire manufacturing process.

Quick google search brought up this.

The vast majority of tire molds in use today have vents
and/or microvents to expel air trapped between the green
tire surface and the mold surface as the bladder expands
the green tire into the mold cavity. Typically, the
microvents are between 0.020-0.040in (0.5-1mm) in
diameter and vents are between 0.040-0.060in (1-2mm)
in diameter.
Both types can extend an inch or more in depth into the
mold. A typical passenger car tire mold contains
thousands of these vents. The bladder expansion
pressure, combined with the elevated curing temperature,
causes some of the tire surface rubber to ‘extrude’ into
these vents during each cure cycle. When the cure cycle
is over and the tire is released from the mold, most of the
the extruded rubber in these vents remains attached to
the cured tire and pulls back out to form the familiar
rubber ‘whiskers’ on new tires.

Cool Thanks..
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      09-10-2011, 08:26 PM   #6
NewYearsBoy
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Quote:
Originally Posted by propkaPT View Post
curious what a 300 rating on these tires means in real world driving
They feel great!!
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      09-11-2011, 05:39 AM   #7
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Nice car!

I'm planning to get a set of PSS on my car too, just curious what size are you running with the 261s?
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      09-11-2011, 10:48 AM   #8
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Quote:
Originally Posted by Honny View Post
Nice car!

I'm planning to get a set of PSS on my car too, just curious what size are you running with the 261s?
The front are 225/40ZR18

and the rear are 255/35ZR18
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      09-11-2011, 10:11 PM   #9
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Holy smokes!
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      09-12-2011, 04:16 PM   #10
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Quote:
Originally Posted by CM135 View Post
Holy smokes!
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      09-12-2011, 05:23 PM   #11
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Your old tire was only showing minor signs of wear. Hah had! I have the same tire set up and I am VERY happy also. Great tire. I have had several "spirited" rides on my new tires and the tread wear is amazingly good.
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      09-12-2011, 05:27 PM   #12
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Quote:
Originally Posted by vanbmw View Post
Your old tire was only showing minor signs of wear. Hah had! I have the same tire set up and I am VERY happy also. Great tire. I have had several "spirited" rides on my new tires and the tread wear is amazingly good.
Nice!!!
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