As a long time mechanic and tire man the T/A in BF Goodrich tires means “Traction Advantage“.
Likewise, Which is better H or T rated tires?
A speed rating of T indicates that the tire can be safely driven up to 118 mph. A tire with an H rating has a higher limit — 130 mph — which means it can be safely driven faster than the tire with the 94T code. Manufacturers may produce identical tire models with different speed ratings.
Also, How do you date old tires?
The first two digits of the date code tell you the week that the tires were built, and the last digit tells you the year. For example, a date code such as 306 would let you know that the tire was built in the 30th week of a year ending in 6.
Moreover, How many years are tires good for?
It may be tentative, but tires do have an expiration date. There is a general consensus that most tires should be inspected, if not replaced, at about six years and should be absolutely be swapped out after 10 years, regardless of how much tread they have left.
How do you tell if a tire is a winter tire?
A common marking on a winter tire is the Three Peak Mountain Snowflake Symbol. When this marking is on a tire you know it meets specific snow traction performance requirements set by the Rubber Manufacturer’s Association of America and the Rubber Association of Canada. All-season tires never have this marking.
What does 98H mean on a tire?
The Tire Load Index and Speed Rating are part of the tire size. Lets take, for example, tire size 225/50 R17 98H (as pictured above). The 98H at the end represents the service description. The service description is composed of the load index and the speed rating.
Can I mix V and W rated tyres?
You can invalidate your car insurance by fitting new tyres that have a lower speed rating than the manufacturer’s original fit. … Mixing tyre speed ratings isn’t recommended.
What does V mean on tires?
What this tire speed rating ensures is that the tire can sustain the maximum speed specified for an indefinite duration. This means that a tire with a V-rating, for example, can be driven at 149 miles per hour until it wears out!
Do tires get harder with age?
When tires get old, the rubber loses is elasticity (gets hard) and then when the tire heats up, the tread tends to blow right off. … Also, it doesn’t matter whether or not the tire has been exposed to the elements, the rubber still gets hard over time.
Do tires expire?
A large body of scientific evidence supports that most tires should be replaced six years from the date they are manufactured. This six-year expiration date begins from the day the tire was manufactured at the plant—not the date it was sold to a consumer or the date that it was installed on a vehicle.
Do tires have a date stamp?
If you’ve ever wondered how old your tires are, it’s an easy bit of information to find out. Tires actually have a “born-on” date, and it’s listed right on the tire itself.
Are 20 year old tires safe?
Old tires are dangerous, regardless of tread depth. While there’s no federally sanctioned safety guidance on when a tire is too old to be safe, many carmakers recommend replacement at six years from the date of manufacture. Old tires have been the culprit in fatal accidents.
What are the signs of bad tires?
Trouble signs to look for
- Cracking or cuts in the sidewalls.
- Uneven tread wear. …
- Excessively worn tread. …
- Alternatively, you can use a Lincoln-head penny as a tread-wear indicator. …
- Bulges or blisters. …
- Excessive vibration.
Should I replace all 4 tires?
Type of Vehicle
If so, most vehicle manufacturers and the Tire Industry Association (TIA) recommend that you always replace all four tires at the same time. That’s because the reduced diameter of the lower-tread tires causes them to spin faster than the new one.
What does a snowflake on a tire mean?
Indicated by a pictograph showing a peaked mountain with a snowflake in the middle, the severe service symbol indicates a winter tire can handle snowy and slippery roads, as well as low temperatures, and meets the minimum requirements for providing snow traction.
How do you tell if a tire is all-season?
You may see all-season tires with “M+S” marked on the sidewall. This stands for “mud and snow” and means that the tire has performed well in packed snow and mud. It does not mean the tire has the same traction in the cold or on ice as a proper winter tire.
What does LT mean on a tire?
If a tire size reads, LT235/75R15 104/101S, the LT indicates that this tire is meant for Light Truck use. These tires are made for light-duty and heavy-duty pickup trucks (typically ½ ton, ¾ ton, or 1-ton load capacity), SUVs and vans.
What is the difference between P235 and 235 tires?
P235/70R16 is a common one. P if displayed denotes passenger-car tire. Some may start with an LT prefix, used on heavy-duty trucks. The number 235 is the cross-section width in millimeters, while 70 is the ratio of sidewall height to cross-section width (70 percent).
How do you read tire information?
The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.
What is the best tire speed rating?
Tires with a maximum speed capability higher than 300 km/h (186 mph), require a ” ZR ” in the size designation.
…
Tire Speed Rating Chart.
SPEED SYMBOLS | ||
---|---|---|
Symbol Speed | Speed (km/h) | Speed (mph) |
A1 | 5 | 3 |
A2 | 10 | 6 |
A3 | 15 | 9 |
Can you have different tyres on front and back?
Can you have different size tyres front and back? Generally, in a front or rear-wheel drive, as long as you have ensured both pairs of tyres are the same, you can have different size tyres between rear and front if the suspension geometry is set to accommodate for this.
Can I mix tyre speed rating?
If you are going to mix speed ratings, which we don’t recommend, make sure the lower rated tyres are on the front axle, regardless of whether your vehicle is front-, rear- or four-wheel drive. … We would always recommend that the same size and type of tyre, with the same speed ratings, are fitted on all tyres.
What does 75 mean on a tire?
LOAD INDEX
LOAD INDEX | LOAD (lbs) |
---|---|
72 | 783 |
73 | 805 |
74 | 827 |
75 | 853 |
Can I use 235 tires instead of 225?
Are 225 and 235 Tires Interchangeable? Yes, they are. However, this is only possible if your car’s rims can accept the larger millimeter.
What does the R mean in tire size?
If your tire size starts with LT rather than a P than it identifies the tire as a Light Truck tire. … R indicates the construction used within the tires casing. R stands for radial construction. B means belted bias and D stands for diagonal bias construction.