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Barry Smith

U.S.
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I have over 30 years experience in the design, manufacturing, and testing of tires. I have served as the technical advisor to the "800" number. I have authored or co-authored many publications - usually without credit. I can answer almost any technical question, but please don`t ask me to compare brands. I probably have prejudices because of my work experience.

Recent Answers

2009-11-06 Cupping Problem:

Bob, Just because a person is in a position where you would think he understands stuff, doesn't mean he actually does understands stuff. I would say that the Acura and Toyota people you talked to might

2009-11-06 Ford Sup Dut 250 4X4 4dr V10, torn cracks to metal between treads:

Keith, First, you MUST replace those tires IMMEDIATELY. They are unsafe!! But we also need to find why that happened and correct it. So, back to the basics. Here's my standard answer on tire size

2009-11-05 winter tires:

Diane, It is best to have 4 of the same type of tire on your vehicle. Anything less than that is more prone to problems - and the more different, the more likely there are to be issues. In your

2009-11-05 Cupping Problem:

Bob, I think the vehicle engineers are smart enough to have figured out what the proper TARGET is for toe. I would ignore any advice from any source other than a vehicle engineer. I know what you

2009-11-05 Cupping Problem:

Bob, I am of the opinion that published alignment tolerances - not the target value, but the allowable deviation from the target value - are too wide by half. So even though a vehicle is "In Spec"

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