Tires in Philadelphia PA

    Good to know about Tires in Array

Useful information in the selection of tires for dummies and not only ...


Tires in addition to its offices in the summer and winter, cars and trucks are subdivided on several grounds. Any tires come with directional, asymmetrical and non-directional tread pattern.



Summer tires are targeted to the asphalt or on roads that are usually used in tires for SUVs and manifest aggressive toothed tread pattern. Many people mistakenly believe these all-season tires, although some multigrade these tires may exhibit only in fresh snow by powerful tread. On the ice the same or rolled snow, such wheels are absolutely helpless because of the solid hard rubber, designed for high summer temperatures and lack of sipes (small grooves on each tread checker), allowing the tire to cling to the ice or snow groomed far greater number of faces in breaking and braking.



As for the advantages of tread, the tires are designed patterns for better drainage of water from the contact patch with the road, asymmetric tires have a greater rigidity of the outer casing, which allows to pass on higher speed turns. The disadvantages are the inconvenience of tire installation.



Directional tires must be collected for use on either the left or right side of the car, and then when the seasonal change does not forget to pay attention to the correctness of the wheels on the car, to avoid situations where the wheels, assembled for the left side a / m, were on the right, and contrary. The direction of rotation of these wheels manufacturer specifies an arrow on each sidewall of the wheel and is often accompanied by the inscription "rotation". In principle, nothing very terrible, and in such a critical mistake not, but at the same pool of a wheel begins to hydroplane at a speed of ten miles or so before, that will reduce to zero (or even below) the whole point of purchase designed tires.



Wheels with asymmetrical tires can be put on the car without thinking about the location of her, but Tire assembler should be careful when assembling the wheels of this type - each tire is the outer and inner side. Usually the outer side is marked by the manufacturer inscriptions "outer", "outside", respectively, and the inner "inner", "inside".



The great virtue of non-directional tire is no need to strain your brain how to collect on the disc or that tire, and where to put a particular wheel, so most of the cars, especially low-cost, factory installed non-directional balanced tires. At first glance, the problem of correct installment and tire assembly is designed funny, but really not surprising that in recent years, automakers have renounced the use designed tires for original equipment cars.



After all, there shall not tire people, and robots. And the automaker would have to buy 2 times more of these expensive robots to assemble the right and left wheels after retuning equipment leads to loss of time. That is why the last top-end models of tires Bridgestone Potenza, Michelin Pilot Sport, Good Year F1, Continental Premium and Sport Contact, Nokian Z changed their drawings aimed at asymmetric. Asymmetric tires are one of the most significant inventions of recent years.



Even tires are divided into radial and diagonal type cord tires. Cord is used to make tires and create a form and strengthen it. Without cord tire would inflate like a balloon. Each tire contains in its design several layers of textile and steel cord, which in arrangement of filaments is divided into radial and diagonal. Diagonal is not currently used in the manufacture of tires for passenger cars, and used heavy equipment, not requiring high speeds, but can make high loads and overcoming the powerful irregularities under the action of such loads.



Construction type cord is indicated on the sidewall of tires by the letter "R", which many motorists mistakenly viewed as the first letter of the word "radius", because as soon as this letter indicates diameter of the wheel in inches (1 inch equals 2.54 cm). Planting means that it is not a full external diameter of the wheel and the diameter of the disk on which you can mount this tire.



By the way, in the writing of all size manufacturers use inches only to specify the diameter and the width of the disc, the width of the same tires all point in millimeters (this is the first digit in the standard size tires). The height of the tire (the second digit in the standard size wheels), that is, the distance from the wheel disc to the roadway, all producers as a percentage of the width of the tire, rather than in millimeters, as many motorists. Thus, for example, the dimensions of tires 225/40 R18 and 255/35 R18 have the same height profile and tire 285/65 R17 has a nearly 2-fold greater height profile than the tire 155/65 R13, since 65% of the 155 mm is about 101 mm, and 65% of 285 mm is 185 mm.



The most important indicator of the summer (as, indeed, and winter) tires is its speed index, which goes into the tire immediately after the size and load index. Speed index is denoted by capital Latin letters Q (160 km / h), R (170 km / h - a rare index), S (180 km / h - a rare index), T (190 km / h), H (210 km / h), V (240 km / h), W (270 km / h), Y (300 km / h) and conditional mean maximum permissible speed.



But the main thing is that tires with high speed indices are more tech and expensive part of the tread, allowing faster to stay with the same speed. And it is not surprising that the test "Auto Review" for the spring of 2008 (RA number 6, 2008), the best indicators of inhibition on the pavement showed the Korean tire manufacturer, which laid hold on the rank of third place after leading tire brands and second-brand leading manufacturers, ahead of only domestic, Turkish and Chinese producers.



But the main thing is that tires with high speed indices are more tech and expensive part of the tread, allowing faster to stay with the same speed. And it is not surprising that the test "Auto Review" for the spring of 2008 (RA number 6, 2008), the best indicators of inhibition on the pavement showed the Korean tire manufacturer, which laid hold on the rank of third place after leading tire brands and second-brand leading manufacturers, ahead of only domestic, Turkish and Chinese producers.



Thus, tires with different speed index of the same model - is, in fact, different tires. Where it is wise to compare (and so it usually occurs in tests of authoritative publications, including "Auto Review"), which compare tires Michelin Pilot Sport 2, Pirelli P Zero, Goodyear Eagle F1 Asymmetric, Continental ContiSportContact 3, Vredestein Ultrac Sessanta dimension 245/40 R18 c speed index Y separately (RA number 7, 2008); Bridgestone Turanza ER300, Michelin Pilot Exalto, Continental ContiPremiumContact 2, Goodyear HydraGrip and the Pirelli P7, Yokohama C.drive, Dunlop FastResponse, Vredestein Sportrac 3, Nokian Hakka V, Barum Bravirus dimension 205/55 R16 with speed index V is also separately (AR number 5, 2007). Even in selected higher test all the other tire had an index of 210 km / h and the Korean tire had more speed index is likely to clearly prove that a common set of properties, including aquaplaning, braking on wet coating, cornering on wet pavement, the cost fuel, resource, tires and noise ratio, even the tires of a higher class can not win over more than a century of experience and notable high-tech manufacturers.



By the way, almost every leading manufacturer of tires, in addition to the core brand has one or even several second-brands, which were bought by them, together with the letting out of their factories, in the era of globalization. So the Germans Continental is Barum (Czech plant) and Gislaved (Swedish brand of snow tires even more popular than the owner), the French Michelin - it BFGoodrich (American brand with more than a hundred years of history) and Kleber, Finns have Nokian - Finnish same Nordman, the Japanese Bridgestone - American Firestone, but the most eminent and renowned German origin satellites from wealthy Americans Good Year - a Dunlop (the brand's founder invented the pneumatic tire in the second half of the 19th century) and of the same name with the river and city in the heart of Germany's famous Fulda. In fairness it should be noted that the Japanese mills the Dunlop got possession of the Japanese company famous for its production of tires Falken. Only the Italians Pirelli (included in the top five tire companies with the largest circulation in the world) and the Japanese Yokohama and Toyo have not got this kind of affiliates and content with their own production of tires.



By the way, Pirelli is a 2009go year finally decided to take part in the World Rally Championship for the maintenance of their sport's image. For a long time stopped her exactly what she can win over just sekondbrendom BFGoodrich, a fight would have to be really experienced and non-poor with Michelin. And the French are such a happy state of affairs, their sporting achievements have not been forgotten, when in one year to have their tires and Formula 1, and 24 hours of Le Mans, and Moto Grand Prix. A BFGoodrich - unsurpassed master of Dakar and other suburban walks. Korean manufacturers also can not yet match the quality of its tires with the leading tire giants due to lack of experience, knowledge and lack of huge budget for the various tests, and most importantly research.



Yes and no sense until the Korean manufacturers to make tires, not inferior to Continental or Michelin, after all, these tires would cost almost as much. And for such an eventuality the buyer is not ready yet. Just as 20 years ago, the Korean home appliances and electronics in any case cost is cheaper Japanese or European ... And most likely after 20 years with tires from Korea will also as monitors for computers today. In any case, at the moment, these tires are their money and very bad look for the price - quality.



Chinese tire manufacturers are also very trying, but very well behind its neighbors in the Yellow Sea. In addition, the number of businesses the tire industry in China is still so great, and the desire to save at least a quality of material, at least for the expertise, at least for industrial processes is so great that the use of their tires until it is simply dangerous. The dangers are many, ranging from bundles tires with a minimum mileage delamination cord to the unit can not dwell on these wheels in the rain. And all their technology tire is held in strictest confidence. Find them can only be buying any tire company, as did the Dutch domestic Amtel Vredestein, which, though not a world leader in the tire industry, but went 2-3 steps ahead of local producers.



Another aspect - the ability to determine if the car has any factors other than the tires? Yes influence. This car brakes, and the state of shock absorbers, and even tire-. Bad shock absorbers increase braking distance and do not provide perfect contact in turn. Brakes are very important to stop the car as soon as possible:) If the brake pipes, brake fluid of connecting to the wheels, the presence of air, it will be a very bad effect on driving: car without ABS will just turn around, and cars with this system, emergency braking will harder to stop. After all, when the wheel without air in the pipe already be on the verge of locking the other wheels with air in highways will inhibit only half power. Recommended for use in emergency situations, when chirping ABS, press on the brake even harder to selling. But in general, every two years to replace the brake fluid because of its ability to absorb moisture from the air (hygroscopic). You can order pumping the brakes and as a separate operation.



Some drivers (especially on vases) put on cars enhanced brake calipers and larger diameter wheels, but the budget is no money left for good tires. But if they understand that the powerful inhibitory mechanisms affect the efficiency of inhibition only at speeds above 150 km / h (when the usual already overheating) or a series of continuous acceleration and braking. Various same tires demonstrate the difference in the wet coating, even when braking from 10 km / hr.



Incorrect wheel collapse leads to poor contact with the road, as well as wheels in contact with it is not possible throughout the area (imagine a man walking on the outside of the foot and worn out shoes), there is uneven wear on the inner and outer parts of the tire. Improper toe (this is when the left wheel is directed to the left and right - the right than I need) does not allow the car to reach maximum speed, increases fuel consumption, leads to physical abrasion of tires.



We recommend you to adjust the alignment after each repair vehicles or even just after the replacement tires. The only bad thing to lose, and tire-balancing and our roads can be on the first hole. And then the wheel disk mash. That is why it is recommended to balance every 5000 miles, and certainly in any case, the seasonal replacement of tires. Balanced wheel twice longer serve than ever wobbly on the unbalanced axis. A long ride on the unbalanced wheel lead to curvature of the cords and the unsuitability of the wheel. Bad consequences this will have for the undercarriage of the car. Recommended in mid-summer to re-balancing the wheels, as well as after long-town trips on bad roads or when the car started jerking, shaking or hitting steering.



In conclusion, we note that almost all summer tires (except China) better than winter tires suited for operation at high temperatures. The use of winter tires in summer is not economically justified, because during this summer because of high temperatures to which winter tires are not designed, winter tires wear out and need to buy new tires. But these tires could serve more than one winter. And the excuse "no time" did not justify then the time spent driving to insurance companies, traffic police (there can be a chic couple of days in the corridor) and beater stations.



You decide what to buy tires. Save, knowing that you ride with caution? .. Buying tires, which even look nice? .. Choose the best price / quality? .. In my opinion, even the most expensive tires worth their money, and, as they say, pay off all at once. One time, when you stop. One time, when you have not shot up as a deep pool of Boeing at the airport. One time, when you do not lose contact with the road in a turn in the rain. After all, the golden mean in this case - is not a balance between price and quality, and the balance between price and your safety, untouched by your car. Save on tires is not intelligent - any driver will confirm who was in the accident because of the tires.