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Tires
Recommended High Speed Pressure & Load Capacity Adjustments
For Y-Speed Rated Tires
VehicleTop Speed
Required TirePressure Increase
Tire Load Capacity% of Branded Maximum
Y-Speed Rated Tire35 psi O.E. Example
mph
km/h
psi
bar
% of value branded on...
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Tires
Recommended High Speed Pressure & Load Capacity Adjustments
For W-Speed Rated Tires
VehicleTop Speed
Required TirePressure Increase
Tire Load Capacity% of Branded Maximum
W-Speed Rated Tire35 psi O.E. Example
mph
km/h
psi
bar
% of value branded on...
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Tires
Recommended High Speed Pressure & Load Capacity Adjustments
For Z-Speed Rated Tires(tire manufacturer must confirm speed capability beyond 149 mph)
VehicleTop Speed
Required TirePressure Increase
Tire Load Capacity% of Branded Maximum
Z-Speed Rated Tire35 psi O.E....
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Tires
Recommended High Speed Pressure & Load Capacity Adjustments
For H-Speed Rated Tires
VehicleTop Speed
Required TirePressure Increase
Tire Load Capacity% of Branded Maximum
H-Speed Rated Tire35 psi O.E. Example
mph
km/h
psi
bar
% of value branded on...
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Tires
Recommended High Speed Pressure & Load Capacity Adjustments
For T-Speed Rated Tires
VehicleTop Speed
Required TirePressure Increase
Tire Load Capacity% of Branded Maximum
T-Speed Rated Tire35 psi O.E. Example
mph
km/h
psi
bar
% of value branded on...
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Tires
Recommended High Speed Pressure & Load Capacity Adjustments
For S-Speed Rated Tires
VehicleTop Speed
Required TirePressure Increase
Tire Load Capacity% of Branded Maximum
S-Speed Rated Tire35 psi O.E. Example
mph
km/h
psi
bar
% of value branded on...
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Tires
Recommended High Speed Pressure & Load Capacity Adjustments
For R-Speed Rated Tires
VehicleTop Speed
Required TirePressure Increase
Tire Load Capacity% of Branded Maximum
R-Speed Rated Tire35 psi O.E. Example
mph
km/h
psi
bar
% of value branded on...
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Installation |
Tires
*Fuel Economy, That is. And More.
Maintaining correct tire inflation pressure helps optimize tire performance and fuel economy. Correct tire inflation pressure allows drivers to experience tire comfort, durability and performance designed to match the needs of their vehicles. Tire deflection...
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Tires
Maximum Inflation Pressure
A tire's maximum inflation pressure is the highest "cold" inflation pressure that the tire is designed to contain. However the tire's maximum inflation pressure should only be used when called for on the vehicle's tire placard or in the vehicle's owners manual. It is...
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Installation |
Tires
One of a tire's primary tasks is to carry the weight of the vehicle. But anyone who's ever had a flat tire knows that the tire doesn't really carry the load...the inflation pressure inside it does! Using the correct inflation pressure not only provides the appropriate load capacity, it also...
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Tires
Several vehicle manufacturer's owner's manuals recommend operating winter tires several psi (typically 3-5) higher than their recommended pressures for summer and all-season tires. While none of them actually provide the reason why, there are several scenarios that would support the practice....
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Tires
Significant changes in altitude affects tire pressures when traveling from one elevation to another. Fortunately, this influence is relatively small and can be easily accommodated.
Atmospheric pressure is the force exerted on objects by the weight of the air molecules above them. While air...