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Related Categories: Z Speed Rating | Speed Ratings Explained | Rating Chart | Trailer Tire Load Range Chart | Speed Rating Letters | Service Description | What Does Z Mean On The Tires | Lower Speed Rating | Speed Rating | Load Index

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Tire Tech Information - How to Read Speed Rating, Load Index & Service Descriptions


…tire's load index and speed rating. Service descriptions are required on all speed rated (except for Z-speed rated) tires manufactured since 1991. The first two digits (87S) represent the tire's load index and are followed by a single letter (87S) identifying the tire's speed rating. "Using a P195/60R15…

Related Products: Trailer Tire Load Range Chart | Speed Ratings Explained | Speed Rating
 

What's in a letter?


…stone up to a (Y) rated tire. Wait a minute!!! Y is higher than Z?? Yes it is! As you can see from the chart on this page, the speed rating letters don't exactly follow the alphabet. With certain vehicles now capable of running well over 150 mph, the need for higher speed ratings was necessary. Now…

Related Products: What Does Z Mean On The Tires | Z Speed Rating | T Speed Rating
 

How Does Speed Rating Affect My Tire Choice?


…increase in top speed. Albeit some letters are missing (e.g. U) and not necessarily in alphabetical order, the chart does outline what ratings are appropriate for vehicles. It's important to note that some of the vehicle manufacturers sometimes specify a tire has a higher speed rating than necessary.…

Related Products: Lower Speed Rating | H V T Rating | H Speed Rating
 

Tire Tech Information - Tire Size Conversion Chart


…Flat Tire Repairs' Effect on Speed Rating Flat-Spotted Tires (Due to Brake Lockup / Slide) Flat-Spotted Tires (Due to Parking / Storage) Government Tire Approval Marks How Do I Compare Price vs. Value? How to Install Your Tire & Wheel Package How to Read Speed Rating, Load Index & Service Descriptions…

Related Products: Tire Psi Chart | Size Calculator | Tire Size Substitution
 

Tire Test Results : Finding the "Ultra" in Ultra High Performance All-Season Tires


…Finding the "Ultra" in Ultra High Performance All-Season Tires * Test Report * Test Result Charts * Spider Charts * Test Result Video July 26, 2010 Tires tested: Dunlop SP Sport Signature (W- or Y-Speed Rated) (Ultra High Performance All-Season 225/45R17 94W) * What We Liked: Great traction and short…

Related Products: Speed Rating V Vs H | 192 | Best Z Rated Tires
 

Tire Tech Information - Flat Tire Repairs


…to minimize potential long term deterioration started by the puncture. A punctured speed rated tire brings with it additional considerations. While some tire manufacturers "allow" a tire to retain its speed rating if a specified multi-step repair procedure is followed exactly, most tire manufacturers…

Related Products: Plug Vs Patch | Repairing Speed Rated Tires | Sidewall Nail
 

Tire Tech Information - Air Pressure / Load Adjustment for High Speed Driving


…order to surpass high speed driving stresses. In order to accomplish this, the tire inflation pressure recommendations and the tire's rated load capacities are customized when speeds exceed 160 km/h (99 mph) for all tires up to and including a V-speed rating, and when speeds exceed 190 km/h (118 mph…

Related Products: Michelin Tire Pressure | 835 | 16 Inch Truck Tires
 

Tire Tech Information - Vibration Diagnosis Flow Chart


…Flat Tire Repairs' Effect on Speed Rating Flat-Spotted Tires (Due to Brake Lockup / Slide) Flat-Spotted Tires (Due to Parking / Storage) Government Tire Approval Marks How Do I Compare Price vs. Value? How to Install Your Tire & Wheel Package How to Read Speed Rating, Load Index & Service Descriptions…

Related Products: Vibration | Wheel Vibration | Vibrating Tires
 

Tire Tech Information - Contact Patch


…Flat Tire Repairs' Effect on Speed Rating Flat-Spotted Tires (Due to Brake Lockup / Slide) Flat-Spotted Tires (Due to Parking / Storage) Government Tire Approval Marks How Do I Compare Price vs. Value? How to Install Your Tire & Wheel Package How to Read Speed Rating, Load Index & Service Descriptions…

Related Products: Changing Aspect Ratio | Low Profile Tire Pressure | Aspect Ratio
 

Tire Tech Information - Light Truck Fitment Formula


…Flat Tire Repairs' Effect on Speed Rating Flat-Spotted Tires (Due to Brake Lockup / Slide) Flat-Spotted Tires (Due to Parking / Storage) Government Tire Approval Marks How Do I Compare Price vs. Value? How to Install Your Tire & Wheel Package How to Read Speed Rating, Load Index & Service Descriptions…

Related Products: Light Truck Tire Conversion | Tire Conversion Chart | Passenger Tires Vs Light Truck Tires
 

Tire Tech Information - Manufacturer Tire Aging / Service Life Bulletins


…Flat Tire Repairs' Effect on Speed Rating Flat-Spotted Tires (Due to Brake Lockup / Slide) Flat-Spotted Tires (Due to Parking / Storage) Government Tire Approval Marks How Do I Compare Price vs. Value? How to Install Your Tire & Wheel Package How to Read Speed Rating, Load Index & Service Descriptions…

Related Products: How Long Can Tires Be Stored | Yokohama Vs Michelin | Tire Age Safety
 

Tire Tech Information - Care & Feeding of the ContiForceContact


…Flat Tire Repairs' Effect on Speed Rating Flat-Spotted Tires (Due to Brake Lockup / Slide) Flat-Spotted Tires (Due to Parking / Storage) Government Tire Approval Marks How Do I Compare Price vs. Value? How to Install Your Tire & Wheel Package How to Read Speed Rating, Load Index & Service Descriptions…

Related Products: High Mileage Tires
 
Related Categories: Z Speed Rating | Speed Ratings Explained | Rating Chart | Trailer Tire Load Range Chart | Speed Rating Letters | Service Description | What Does Z Mean On The Tires | Lower Speed Rating | Speed Rating | Load Index
 
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