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Oh, the lowly spare tire. It doesn’t get much respect.  Today, a lot of vehicles don’t even come with a spare tire anymore, not even the little “donut” space-saver spare. Instead, to cut weight and free up space, they come with a compressor and a can of a Fix-a-Flat-style product in hopes that you can get back on your way again. Great idea, unless your tire has a sidewall puncture or is shredded…Anyway, if your car is equipped with a spare, you shouldn&rs...

Winter tires versus all-season tires…which is the right choice for you?   The two designs are quite different and deliver different levels of performance and winter-weather traction, so let’s discuss.  • All-season tires are designed as an all-around compromise. They feature a tread pattern that evacuates water from the tire’s contact patch to prevent hydroplaning, with plenty of small, textured slits (sipes) to add extra biting edges for traction in wet or slushy conditions.  • All-sea...

Nobody ever looks forward to a flat tire, and nobody ever says "well, that was a really good time" after having one. You can at least minimize the damage to your tire and danger to yourself, though.Flats vs BlowoutsIf you get a blowout, you'll know about it right away. Sometimes the tire can fail dramatically, with a bang as loud as a shotgun going off. Other times, it might just be a loss of air and a sudden change in your car's handling, followed by vibration, noise and a pul...

In a lot of parts of the country, the winters are tough enough that all-season tires just won’t get the job done. All-season tires are a compromise; they offer good year-round traction with a quiet ride, good handling and road manners. They tend to perform well in wet weather and light wintry conditions, but when the snow is more than a couple of inches deep, all-season tires are out of their league. That’s when it’s time to consider winter tires.  Today’s winte...

The tire is such a commonplace item -- it's on every car, every truck, every bicycle, every aircraft. It's easy to not give the tire a second thought, but like every other technology, the tire has an interesting history of advances and failures.  In the 19th century, carriages and wagons used steel strips for "tires" on their wheels, with the punishing sort of ride that you'd expect. In later years, they were shod with strips of natural rubber, which was an i...

Your tires are a pretty big investment. Even with the cheapest set of tires, you’re going to be spending upwards of $400 on the tires, mounting, balancing, disposal fees and taxes. Since you laid down that kind of money, doesn’t it just make sense to make sure you get the most miles possible out of them? Here’s some advice on long tire life: • Regularly check your tire pressure. This one is really, really important. Underinflated tires will wear unevenly and...

There are so many tire designs on the road -- all-season, high performance, touring, light truck -- and even within a specific tire design, there may be several choices of tread patterns. What differentiates them, and what are the pros and cons of each tread design?  -- Directional tread has a pattern of grooves and chevron shapes, all pointed in one direction. This design makes it easy to direct water away from the tire's contact patch and prevent hydroplaning in wet wea...

In a perfect world, all four tires would wear out at the same time. In the same perfect world, everyone would be able to afford a whole set of tires all at once. Unfortunately, things often just do not work out that way. Sometimes you may just have to replace tires as you can afford them, one or two at a time, but there are some important things to bear in mind if you have to do that. If you can only afford to replace one or two tires, it’s essential that you go with tires that a...

Believe it or not, many new vehicles come without a spare tire. Manufacturers have a few different reasons for that, including weight savings, space efficiency, and cost. When you're stuck by the side of the road, though, none of that really matters much, does it?  Instead, these vehicles come equipped with an inflation kit and/or a can of sealant.  Sealant is a gooey substance in an aerosol can that's designed to coat the inside of the tire due to centrifugal force o...

Driving around on underinflated tires is just a bad idea all the way around. Underinflated tires increase a car’s rolling resistance, meaning a drop in fuel efficiency since it takes more energy to move the vehicle down the road.A single tire that’s down by ten pounds of air means a 3.3 percent drop in fuel economy…multiply that by all four tires, and you can figure on giving up ten percent of your gas mileage. The added friction and rolling resistance also means more heat is ...