|
40 � This number refers to the height of the
sidewall, or the Aspect Ratio. It is a percentage of the section width. In this
example, you would take 65 percent of 205 millimeters and this would give you
the sidewall height.
Why 65% of 205. Where did 205 mm come in the play.
Is 65 % a standard
----- Original Message -----
Sent: Friday, February 22, 2002 10:21
AM
Subject: [Chevelle-List]
P275/40ZR17
P � Passenger car tire. If there is no P before the
size it would indicate it is a European metric tire. An LT before the
size would designate a light truck tire.
275 � This is the
Section Width in millimeters. This measurement is taken from sidewall to
sidewall.
40 � This number refers to the height of the
sidewall, or the Aspect Ratio. It is a percentage of the section width. In
this example, you would take 65 percent of 205 millimeters and this would give
you the sidewall height.
Z � Speed rating, Z = 149 mph and
over.
R � Radial tire construction.
17 � Wheel diameter in inches.
cYa-
|
