Time for New Treads Time for New Treads
Rubber Manufacturers Association offers guidance on tire replacement and mixing. Do not downsize or mix tire types. replace with same designation or manufacturer approved options. For radials use in sets of four. wider 70 Series can mix only in pairs on one axle. Put replacement tires on rear for better traction. break in period advised with speed limited to 60 mph for 50 miles.
Many Tires Are Unsafe Across Northwest Study Findings
A Northwest ern University study found more than one third of automobiles tested had unsafe tires. Common faults included under inflation overload excessive tread wear and damage. Replacements advised for tread under 1/16 inch or visible ply cords or sidewall damage.
MENTIONED IN THIS ARTICLE
Northwestern University
Lincoln
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