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Unusual? tire wear

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Old Aug 10, 2008 | 09:33 PM
  #1  
houstonnw's Avatar
houstonnw
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Joined: Feb 2007
Posts: 162
From: Texas
Default Unusual? tire wear

I have a 2007 GT with stock springs, 1.8 negative camber, and 36 psi hot.

After my last track day at TWS Clockwise, this is what my left front tire looks weird.

What possible alignment or tire pressure setting could possibly wear that second groove like that?

(I give up, I can't link or attach or whatever, so I started a new thread here)

http://forums.corral.net/forums/show....php?t=1045753
Old Aug 11, 2008 | 06:22 AM
  #2  
Norm Peterson's Avatar
Norm Peterson
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Joined: Feb 2007
Posts: 7,635
From: state of confusion
Default RE: Unusual? tire wear

Have you tried uploading it as a thumbnail? There are filesize restrictions, and you will get a big red "X". However, clicking on the "X" will bring up the pic.

Second-rib Wear
Second-rib wear is normally found only in radial tires, and appears where the steel belts end in relation to the tread. Normally, it can be kept to a minimum by paying careful attention to tire pressure and frequently rotating the tires. Some car and tire manufacturers consider a slight amount of wear at the second rib of a radial tire normal, but that excessive amounts of wear indicate that the tires are too wide for the wheels. Be careful when having oversize tires installed on narrow wheels.
[IMG]local://upfiles/62186/5639F9B063154DDB86B98C6E57714F8C.gif[/IMG]

Linky.

This sort of wear was fairly common I think with the early belted-bias tires, particularly in the (for then) low profiles.


Norm
Old Aug 11, 2008 | 06:35 AM
  #3  
Norm Peterson's Avatar
Norm Peterson
6th Gear Member
 
Joined: Feb 2007
Posts: 7,635
From: state of confusion
Default RE: Unusual? tire wear

ORIGINAL: Norm Peterson

Have you tried uploading it as a thumbnail? There are filesize restrictions, and you will get a big red "X". However, clicking on the "X" will bring up the pic.

ORIGINAL: Linky.


Second-rib Wear
Second-rib wear is normally found only in radial tires, and appears where the steel belts end in relation to the tread. Normally, it can be kept to a minimum by paying careful attention to tire pressure and frequently rotating the tires. Some car and tire manufacturers consider a slight amount of wear at the second rib of a radial tire normal, but that excessive amounts of wear indicate that the tires are too wide for the wheels. Be careful when having oversize tires installed on narrow wheels.
[IMG]local://upfiles/62186/5639F9B063154DDB86B98C6E57714F8C.gif[/IMG]


This sort of wear was fairly common I think with the early belted-bias tires, particularly in the (for then) low profiles.


Norm
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