Bumper to Bumper Radio, the car guys on KTAR, 92.3 FM in Phoenix, AZ, broadcast every Saturday from 11:00 am to noon. On this show, Dave Riccio of Tri-City Transmission in Tempe, AZ talks about what tires you should put on your car and how to buy them. Special guests include the Dan and Rob Slagel from S&S Tires. Also on this show:

• Are the tread life statistics on a tire accurate?
• The way your tire wears gives a shop an indication of what they needs.
• Avoid commission shops. They may sell you tires before you need them.
• When do you know you need new tires?
• Buy tires from a shop that sells a lot of them so you don't get old stock.
• Cars are engineered around a specific tire.
• Should you have an alignment check every time you buy new tires?
• What's the difference between tire balance and alignment?
• What kind of tire maintenance should you do on a vehicle that sits more than it drives?
• Are tire conditioners worth it?
• 2006 XB Scion. Have gone through four sets of tires at 90,000 miles. Car has always pulled to the left and it chews up tires.
• 2001 Toyota Tacoma with 40,000 miles. Showing a 440 code, which is for the evap system.
• 2004 Chevrolet Silverado. Oil gauge is showing 80 pounds of pressure, which is high.
• Can you replace just two tires or should you replace all of them?
• Can you put air in nitrogen tires?
• Are off-brand tires worth buying?
• Should you ever use fix-a-flat?

Cars talked about on this show are the 2006 XB Scion, 2001 Toyota Tacoma, and 2004 Chevrolet Silverado.