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Do truck tires carry different speed ratings than car tires?
According to the world wide web light truck tires are not required by the Department of Transportation to have speed ratings. From this, I gather that there are not speed ratings yet but probably will be in the future.
What do the speed ratings mean in terms of tire wear, tear and all around condition?
The speed ratings describe the durability of the tire at high speed, higher rated tires are of more sound construction.
How do I know my car's tire ratings?
You can find your tires' speed rating and load index listed on the sides of the tires. From there, you can use this guide to understand what those numbers mean: http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=35
Why do my tires squeal when i turn corners even at very low speed?
When your tires squeal at a low speed it can mean a number of things. The tread on your tires may be almost gone or you may have low tire pressure.
What does the S R followed by a number mean the side of tires?
Speed Rating
Have 2002 altima v6 w215 55 R17 tires and wanted to know if you could substitute a regular compound tire in place of the speed rated tires which are specified by Nissan?
Yes. The speed rating simply means that the tires has been tested and is safe at certain speeds. As long as you do not plan on turning it into a race car that is fine. For more information on what the tire sizes and speed ratings mean see this article. http://www.associatedcontent.com/article/513017/understanding_tire_sizes_for_your_vehicle.html?cat=27
What does the tires speed index mean?
It indicates the maximum speed at which the tire can carry a load corresponding to it's load index.
What causes a Winding sound with speed of tires?
the tires themselves.
What does SR mean on the side of tires?
"Let me explain the speed ratings, though. Remember HR, SR, TR, VR, and ZR? Respectively, the tire is good up to 110, 115, 125, 149, and 150+ for long sustained speeds. If there is just an "R" then 105 is the sustained limit for safety at that speed. The higher speed rating will also bring increased ride harshness, as the tires have to be built to withstand the speeds for which they are capable." - http://www.midsouthvw.com/TechTips/tech_tip_tires.htm
What are tire speed ratings?
The tire speed ratings are used to tell drivers the top speed that a tire can go. Speed ratings are generally much higher than legal speed ratings.
What does 104T mean on tires?
104 T is the 'Load Index' and 'Speed Rating' on modern tires. The load # 104 means each tire can support 900 Kg and the speed rating 'T' means they are good to use up to 118 mph.
What does the Q rating for tires mean?
The 'Q' rating on the tyre represents the speed rating and any tyres that come with a 'Q' speed rating means that the manufacturer recommends a maximum speed of 99mph.
