Thread: 275 60 BFG`s
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Old 07-05-2003, 08:35 AM
cobra427mnsi cobra427mnsi is offline
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Location: Leamington, Ont
Cobra Make, Engine: Classic Roadster with 427 center oiler
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My calculations:

275 X .6 = 165 millimeters is side wall height (aspect ratio is the relationship between the tread width and the side wall height)

Multiply millimeters by .039 to get inches : .039 X 165 = 6.435 inches. Multiply by 2 to get both side wall heights (top and bottom of tire): 6.435 X 2 = 12.87

Add this to the 15" wheel diameter: 15 + 12.87 = 27.87 inches


Paul
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