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Old Nov 1, 2006 | 06:13 PM
  #1  
jthorn9's Avatar
jthorn9
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From: Temple, Texas
Default Tire Ratings

What are all the tire ratings, what do they stand for, and how much speed will they take, like I know they have several different tires, with ratings like Z, S, R, etc, but I have no idea what their ratings are.
Old Nov 2, 2006 | 10:43 AM
  #2  
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ponysnake99
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Default RE: Tire Ratings

from tirerack.com

rating max speed
M 81 mph
N 87 mph
P 93 mph
Q 99 mph
R 106 mph
S 112 mph
T 118 mph
U 124 mph
H 130 mph
V 149 mph
W 168 mph
Y 186 mph
Z isnt defined because tires ability to endure high speeds keeps increasing...so z pretty much means yes...it will go that fast
Old Nov 2, 2006 | 11:53 AM
  #3  
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Josh95gt
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Joined: Apr 2006
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From: Kentucky
Default RE: Tire Ratings

ORIGINAL: ponysnake99

from tirerack.com

rating max speed
M 81 mph
N 87 mph
P 93 mph
Q 99 mph
R 106 mph
S 112 mph
T 118 mph
U 124 mph
H 130 mph
V 149 mph
W 168 mph
Y 186 mph
Z isnt defined because tires ability to endure high speeds keeps increasing...so z pretty much means yes...it will go that fast
thats funny, but what about zr thats what my falken ze-512's are rated at. nvm i'ma idiot. there rated at w which is 168 mph which is faster than i'll be going . but what does the zr stand for anyway?
Old Nov 2, 2006 | 04:30 PM
  #4  
colin@tirerack's Avatar
colin@tirerack
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Default RE: Tire Ratings

ZR doesn't stand for anything by itself.

The Z stands for "any speed over 149 mph"

and the R stands for radial
Old Nov 2, 2006 | 04:39 PM
  #5  
HRnB's Avatar
HRnB
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Default RE: Tire Ratings

See, it's great to have a tire pro here. Thank you for that Colin. [sm=smiley20.gif]
Old Nov 2, 2006 | 04:46 PM
  #6  
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jthorn9
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From: Temple, Texas
Default RE: Tire Ratings

No kidding, because that's something I've always wondered about.
Old Nov 8, 2006 | 12:06 PM
  #7  
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Josh95gt
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Default RE: Tire Ratings


ORIGINAL: colin@tirerack

ZR doesn't stand for anything by itself.

The Z stands for "any speed over 149 mph"

and the R stands for radial
oh, ok thanks alot.
Old Nov 8, 2006 | 01:09 PM
  #8  
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keefejp
 
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Default RE: Tire Ratings

All,
I have a 73 mustang convt. with 14inch tires and rims, I am looking to possibly upgrade to larger tires and rims and in specific I like the Magnum 500's. Any thoughts on this? Basically will I have to modify anything with regards to the Drums (rear) or Disc (front) breaks? Thanks John
Old Nov 8, 2006 | 02:57 PM
  #9  
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colin@tirerack
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Default RE: Tire Ratings

You can upgrade without issue as long as the wheels are right for your car. With a proper fitment, you should not have to modify your brakes.
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