We've been helping people find the right tires, wheels and performance parts since 1979. If you're looking for the best and most accurate information on all things tires, you've come to the right place.
A tire's most important job is to carry the load required of it, and the load range/ply rating branded on the tire's sidewall indicates how much load the tire is designed to carry (at a specific pressure). Whenever changing tire sizes or from one tire type to another, it's important to ensure...
A load index is an assigned numerical value that signifies a tire's maximum load carrying capacity. They're useful to help compare load carrying capacity of different-sized tires, and as you might expect, the higher the tire's load index number, the greater its load carrying capacity. Using the...
When it comes to selecting replacement tires for a van, pickup truck, crossover and SUV, the most important consideration is to maintain sufficient load carrying capacity. Three tire-sizing systems are used on the Original Equipment (O.E.) tires fitted to today's light trucks, Euro-metric,...
One of the reasons radial racing slicks are so effective is they feature shallow tread depths, and their contact patch acts as a single unit. However, any tread design that breaks up the contact patch into smaller elements or adds additional tread depth (required to enhance wet traction) will...
Tire Set-up for Circuit Driving For maximum performance and safety on a circuit, first make sure that the vehicle itself is in perfect working order, particularly with respect to brakes, steering and suspension. Having quite a stiff construction, the P Zero Corsa does not necessarily need...
Michelin has developed a Pilot Sport Cup "care and feeding" brochure to help drivers get the best performance out of their Pilot Sport Cup tires. Download Michelin Pilot Sport Cup brochure (PDF)
Tires That Help Maintain Vehicle Mobility...Even After Being PuncturedIf you've ever been late for a date, appointment, or meeting because of a flat tire, you already know how frustrating it can be. If you've ever changed a flat tire in the rain, after dark, or on the shoulder of a busy...
Below are some of the mathematical formulas used to answer commonly asked questions concerning fitments of light truck tires. How much extra ground clearance under the axles will be provided? or How much will it raise the vehicle's center of gravity? (New Tire Diameter-Original Tire...
To diagnose a vibration problem, view The Vibration Diagnosis Flow Chart. Download The Vibration Diagnosis Flow Chart (PDF) If you need to download a copy of Adobe's Acrobat Reader it's available free from Adobe for a variety of computer platforms.
Shop by Vehicle for Tire Pressure Monitoring System (TPMS) Sensors Have you ever seen a vehicle with one or more tires that appear noticeably low on tire pressure? Didn't you want to warn the driver of the situation before that slight inconvenience became a calamity? What if the vehicle with...
Do you ever feel a ride disturbance or shimmy during the first few miles of driving after your vehicle has been parked for a few days, weeks or months? Then, after you drive a couple of miles, the ride smooths out and feels OK. This condition is often called flat-spotting because it is used to...
Using the Hunter TC3500 mounting machine, optimal matching of the tire alignment relative to the wheel can be done with higher accuracy and help to eliminate vibration problems. The Hunter GSP9700 Road Force measurement balancer road tests the mounted tire and wheel to effectively measure...
Why do we change our tires and wheels? Aside from necessity, most of us do it for performance, comfort and style. But to be sure our tires are performing properly and that we're rolling comfortably and in style, we'll need to correctly install our new tires and wheels. Here's a few tips from us...
Tire Rack's Tire & Wheel Owner's Manual contains tips on installation and care. Download the PDF If you need to download a copy of Adobe's Acrobat Reader it's available free from Adobe for a variety of computer platforms.
Need help choosing the right products for your vehicle? Our US-based team of highly trained experts has the knowledge and passion to help. Just pick up the phone and give us a ring. Or let's chat via email. We love solving problems and lending a hand (or an ear).
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