I've always had 7:00-15 4 or 6 ply on my 79 GMC. They are getting hard to find and I'm thinking of getting radials but what size will give me the same diameter as the 7:00's? Thank you
- posted
20 years ago
Truck tire size question
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- posted
20 years ago
You may find Tire Rack's Tire Size Conversion Chart at
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useful. There are other useful articles at
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They also sell tires. And it appears that they have some 1979 GMC trucks' tire sizes listed, since you can go to
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,specify your vehicle, and get tire sizes and lists of tires that theysell.