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Keeping your tires properly inflated saves fuel

We can't control gas prices, but we can control how efficiently our vehicle uses fuel. One of the best ways to do that is to keep your tires properly inflated.

Keeping the correct air pressure in your tires is just as important as giving your engine a tune up. Keeping your tires properly inflated may result in up to 10% better fuel efficiency. Your tires will also last longer and have improved handling.

Did you know that tires lose a little bit of air pressure every day? Generally, a tire will lose one or two pounds of air per month in cool weather, and even more in warm weather. A good rule of thumb is to check your tires every other time you fill up at the gas station.

Be sure to check your vehicle's owner's manual for proper inflation amounts. An over-inflated tire can also wear out more quickly, will cause a rougher ride, poor handling, and may lead to premature failure.

Don't overload your vehicle

The load index refers to the load-carrying capacity of a tire, or how much weight a tire can safely support. For example, if a tire has a load index of 89, it can support 1,279 pounds at maximum air pressure. Multiply that by four (4 x 1,279 = 5,116 pounds) to get your maximum load-carrying capacity. Installing tires with a lower load-carrying capacity than what came from the factory is not recommended.

What are speed ratings?

A tire receives its speed rating by the U.S. Government by meeting minimum standards for reaching and sustaining a specified speed. In general, a higher speed rating will result in better car handling.

There are two inportant factors to consider regarding speed ratings:

  1. Downgrading the speed rating of your tires is not recommended. The result may be poor handling and unpredictable steering. However, installing a higher speed rated tire on your vehicle may produce better cornering response.
  2. Never mix and match tires with different speed ratings on your vehicle. This may cause serious handling problems with your vehicle.

Here is a list of speed ratings along with the corresponding speeds they represent. Please note these are test speeds, not recommended speeds

  • Q - Up to 100mph
  • R - Up to 106mph
  • S - Up to 112mph
  • T - Up to 118mph
  • U - Up to 124mph
  • H - Up to 130mph
  • V - Up to 149mph
  • W - Up to 168mph
  • Y - Up to 186mph
  • Z - 149mph and over

How to read your tire's size

Consider the following tire size: P205/65R15 89H. Here's what each part of this size designation mean:

  • P: Passenger car tire. If there is no P before the size it would indicate it is a European metric tire. An LT before the size would designate a light truck tire.
  • 205: This is the width of the tire in millimeters. This measurement is taken from sidewall to sidewall.
  • 65: This number refers to the height of the sidewall, or the aspect ratio. It is represented as a percentage of the section width. For example, take 65 percent of 205 millimeters to find the sidewall height.
  • R: Radial tire construction.
  • 15: Wheel diameter in inches.
  • 89: Load index (see above about overloading your vehicle).
  • H: Speed rating (see above).
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Bleifus Tire Service

Bleifus Tire Service is a pillar of the Triadelphia, WV community. Bleifus Tire Service is a leader in offering name brand tires, wheels, auto repair and brake services for customers located in and around the Triadelphia, West Virginia area. Our goal is to focus on customer service. It is the foundation of our business. Bleifus Tire Service employs a well-trained staff specializing in the sale and installation of passenger car, performance and light truck or SUV tires. Custom wheels are available at Bleifus Tire Service. Special wheels and rims compliment any tire or customer vehicle. Complete under-car services, such as oil changes, brakes, shocks, struts, alignment, and transmission fluid flush for both foreign and domestic vehicles are readily available at competitive prices. Take this opportunity to browse Bleifus Tire Service website or call us for personalized service.

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Phone: (304) 547-5300
Fax: (304) 547-5323
Address: 4274 National Road
Triadelphia, WV 26059

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