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Old 05-30-2001, 10:09 PM   #1
Fast68Chevy
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Join Date: May 2000
Location: IL
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Post tires math formula

Whats the correct formula for converting P metric tire size to diameter in inches ?

Im trying to figure out what P metric size 15" tires are around 31" tall, but are 60, 55, or 50 series.
I want a couple 15" street tires somewhere around 8 or 9 inches wide and about 30 inches tall.
maybe 295/60/15 ? Or am I way off ?

------------------
-'77 Electra 403/TH350
-'76 GMC C-1500 Sierra Classic 350 4-bolt/TH350, 3.40 ratio
-'68 C-10 chassis
-'72 K-5 chassis


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