…four-wheel disc and anti-lock braking systems often get the majority of praise, it's really the tires that convert those systems' abilities into actual stopping distances. To evaluate the contribution tires make, we conduct straight-line braking tests to accurately measure panic stopping distances.…
Our current test of Ultra High Performance tires proved the Yokohama S.drive is a very capable tire. The tire was tested against the BFGoodrich g-Force Sport, Firestone Firehawk Wide Oval and the Kumho Ecsta SPT KU31. These tires were evaluated during a Real World Road Ride and during drives in wet…
…the wheels and tires, and fiddled with the plumbing on my intake. By far, the wheel and tire change is the best upgrade you can do! On top of being a part of our tire evaluation team, I've attended several race schools. If you have any VW or GTI questions regarding tires, wheels, suspension…
…at the top of our most recent test of Ultra High Performance All-Season tires. This test evaluated the leading tires in the category on the road and on wet and dry test track conditions. Potenza RE907AS Pole Position tires mold a new all-season rubber compound into a directional tread design that…
…Tire Tech: Flat Tire Repairs - What is the Point of No Return? Whether it occurs during a tire's first mile of use or after thousands of miles of driving, a single cut or puncture can make it necessary to replace a damaged tire that can't be repaired. The first consideration of evaluating if a tire…
…couple handy video's to see the tests in motion: Road course: Test Track: So why am I telling you about tire testing and my subject title says, "What Price?" Because evaluating tires gives me, as well as all the other product specialists, a hands-on opportunity to know what price vs. value…
…that the prototype tires meet Porsche's noise, hydroplaning and handling requirements. Prototype tires will also be evaluated to assess their high-speed durability, uniformity and serviceability. Upon test completion, the tires will be released for production. Production tires that have passed all…
…Additional tests are conducted to confirm prototype tires meet Porsche's noise, hydroplaning and handling requirements. These tires will also be evaluated to assess their high-speed durability, uniformity and serviceability. Production tires that have passed all the tests and received the…
…autocross course. The course challenges each tire's steering response, braking and cornering capabilities. Traction control is turned off for our testing, which allows us to feel more of how each tire is performing. As you can see in the video, we test tires in both dry conditions and also wet…
…Miles treadlife. *Tire Rack's Tire Warranty Rating is an overall rating given to tire warranties after subjectively evaluating their value for the consumer. Warranties are rated on a scale of 0-5 with 5 being the highest. This rating combines all of the aspects of each tire's warranty where…
…and of punctures to the tire's shoulder and sidewall areas are not recommended. There are three primary considerations when repairing a punctured tire. You need to evaluate the damage the object caused as it punctured the tire, reestablish an airtight seal of the tire's innerliner, and completely…
…and punctures to the tire's shoulder and sidewall area are not recommended. Evaluating the damage the object caused to the tire, reestablishing an airtight seal of the tire's inner liner and completely filling the path the object took through the tire are the three main considerations…
…the vehicle's speed and weight, as well as the tires' tread designs, tread depths and evenness of their footprint pressures determines if and when the tires will be forced to hydroplane. One of the ways tire manufacturers evaluate their products' hydroplaning and wet traction effectiveness…
…Its brakes are momentarily locked and the axle sensors measure the tire's coefficient of friction (braking g forces) as it slides. Since this test evaluates a sliding tire at a constant 40 mph, it places more emphasis on the tire's tread compound and less emphasis on its tread design. In 1997, the…
…the same vehicle equipped with four winter tires. This year, as usual, we tested the latest developments in winter traction by looking at and comparing the newest tires. We evaluate the strengths and weaknesses of the various tires and determine which tires represent the greatest strides in winter…
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