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Related Categories: Speed Ratings Explained | Speed Rating | Speed Rating Letters | Lower Speed Rating | Rating Chart | Tire Load Index Chart | H Speed Rating | V Speed Rating | Best Z Rated Tires | What Does Z Mean On The Tires

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Goodyear/Dunlop Get Rebates Up to $80

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


…ability to manufacturer tires capable of high speeds, none of them recommend the use of their products in excess of legal speed limits. The maximum operating speed of a vehicle must be limited to the lowest speed rated tire on the vehicle. Speed ratings are based on laboratory tests where the tire is…

Related Products: Speed Ratings Explained | Speed Rating | Load Index
 

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 | Noise Rating | Speed Rating
 

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: Best Low Profile Tire | Best Z Rated Tires | Best Rated All Season Tire
 

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: Air Pressure Chart | Bulge | What Tire Pressure Should I Use
 

Tire Tech Information - Tire Size Conversion Chart


…Return 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 Equivalent Calculator
 

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


…branded on the tire's sidewall. Back to Tech Article Additional Speed Rating Charts R-Speed S-Speed T-Speed U-Speed H-Speed Z-Speed V-Speed W-Speed Y-Speed Home > Tires > Tech > Air Pressure/Load Adjustment for High Speed Driving H-Speed JOIN US GET OUR EMAILS Want to stay on the inside track? Sign up…

Related Products: H Speed Rating | Tire Pressure Chart
 

Tire Tech Information - Uniform Tire Quality Grade (UTQG) Standards


…Return 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: Treadwear Chart | What Does Utqg Mean | Treadwear Number
 

TireRack.com - About - Tech Center


…Return 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: Diameter Chart | Plus Size Calculator | Best All Season Tires For Snow And Ice
 

Winter Tech - 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: Tire Psi Chart | Blizzak Psi | Sidewall Deflection
 

Tire Test Results : BFGoodrich Brings Sport to the High Performance All-Season Tire Category


…high grip levels. And while a tire's speed rating isn't a true performance rating, overall tire performance levels tend to climb or fall with higher or lower speed ratings. High Performance All-Season tires, on the other hand, are H- (or sometimes V-) speed rated, deliver a blend of reasonable road manners…

Related Products: Z Speed Rating | Tire Comparison Chart | All Season Comparison
 

(PDF Document: Michelin_Care_and_Feeding.pdf)


chart on the right as a guideline. ROAD COURSE AND ROvAL ALIGNMENT negative camber should be targeted between 1.5 and 3 degrees (with a maximum of 4 degrees) on road courses. some camber split may be desirable on combination road-course ovals (rovals). caution should be taken here. use the charts on…

Related Products: Minimum Tread Depth | Tire Psi Chart | Air Pressure Chart
 
Related Categories: Speed Ratings Explained | Speed Rating | Speed Rating Letters | Lower Speed Rating | Rating Chart | Tire Load Index Chart | H Speed Rating | V Speed Rating | Best Z Rated Tires | What Does Z Mean On The Tires
 
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