Rollin' 18/ pushin' 2
Join Date: Feb 2007
Location: The lost highway
iTrader: 18 reviews
go to your ford dealer and look at a rousch or saleen. they run 20's. you can get the tire size from one of them. they will have to be very low profile though, like 35 or lower.
the first number refers to the tread width, 255
the second number refers to the sidewall height, 40.
the letter is the tires speed rating, zr.
the last number is the rim size, 18.
a wider rim can hold a wider tire. I don't know how wide you can go on the newer model though.
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