true tire size thread

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Mar 13, 2011 | 02:16 PM

#11

rubiRI77

JK Freak

Joined: Jul 2007

Posts: 643

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From: Scituate, RI

BFG KM2 285/70R17

mfg. - 33"
actual - 32-1/8"
PSI - 34

EDIT: mounted on 2 door Jeep under load. Hardtop, stock bumpers, no back seat, lots of skid plates, and some sand from the winter still on the floor

Last edited by rubiRI77; Mar 13, 2011 at 05:01 PM.

Mar 13, 2011 | 02:29 PM

#12

erpeden

JK Enthusiast

Joined: May 2008

Posts: 114

Likes: 1

From: Kincaid, Illinois

Cooper Discoverer STT
285/70-17
Actual - 32 1/8
PSI - 32

Mar 13, 2011 | 02:51 PM

#13

tslewisz

JK Junkie

Joined: Feb 2010

Posts: 2,152

Likes: 0

From: Bloomington, IL

Wheel width would be a useful addition to you guys' statistics.

Mar 13, 2011 | 02:59 PM

#14

nvrenuff

JK Newbie

Joined: May 2008

Posts: 87

Likes: 0

From: san diego, calif.

Getting pretty technical, how about height at street pressure.

Mar 13, 2011 | 03:03 PM

#15

Rafi

JK Freak

Joined: Jun 2010

Posts: 574

Likes: 0

From: Boston, Ma

Goodyear duratrac

315/70/17

Actual height: 33.5"

Mar 13, 2011 | 03:07 PM

#16

finnd1

JK Super Freak

Joined: Jun 2010

Posts: 1,465

Likes: 0

From: northern virginia

Quote:

Originally Posted by nvrenuff

Getting pretty technical, how about height at street pressure.

and how much weight in front and rear bumpers and armor do you have?

Mar 13, 2011 | 04:07 PM

#17

D_engel

Thread Starter

JK Junkie

Joined: Sep 2010

Posts: 2,539

Likes: 2

From: Tempe AZ

Quote:

Originally Posted by RRauzer

BFG T/A KM2 37x12.5x17/D
Mfg Stated: 36.8"
Measured: 35.5"
Measured PSI: 28

dang! i might as well go with 37" km2s instead of 35s

Mar 13, 2011 | 05:13 PM

#18

thrshr01

JK Freak

Joined: Jun 2010

Posts: 827

Likes: 0

From: Socal

to get better accuracy, people should post the wheel width & psi and to eliminate the additional weight, jack the vehicle up by the axle (suspend the tire in the air).