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Re: Totally Noob 4x4 Question... #539469 12/20/04 12:33 AM
Joined: Nov 2002
Posts: 1,921
4
4xGeek Offline
Body Damage is Cool
265 & 285 is the section width of the tire in millimeters... 10.6" vs. 11.4"... The second # in the equation is the aspect ratio (percentage of section width, represented in sidewall height). Your stock size was 265/70r16, so that's 10.4" wide by 30.6" tall. Conversely, 265/75r16 is 10.4" wide by 31.6" tall & 285/75r16 is 11.4" wide by 32.8" tall.

Fwiw, I run 265/75r16's on my wife's '01 4Runner, stock wheels, no wheel or coil spacers, no rubbing - even at full stuff. <img src="/forums/images/graemlins/cheers.gif" alt="" />


4xGeek (Chris)
'97 T-100 4wd sr5-suto, 3" BL, 1.5" BJ spacers, 35" ProComp AT's, 4.88's, Bilsteins x 6, etc...

No longer stuck in SoCal!! smile
Re: Totally Noob 4x4 Question... [Re: 4xGeek] #539470 12/20/04 08:20 AM
Anonymous
Unregistered
ok I think I get it.

Man I should have paid more attention in math class. So is there an area where the 1st set of measurements ends in millimeters, and inch measurements begin?

For example:

285/75r16
(then next size up is)
33/11.5/16

Oh...... don't you love the new guys. <img src="/forums/images/graemlins/scared.gif" alt="" />

Tks again,

Drew

Re: Totally Noob 4x4 Question... #539471 12/21/04 05:50 PM
Joined: Jan 2001
Posts: 11,595
Adam F Offline
Forum Moderator
Also, some tires run larger than others. Go to the tire manufacturers website and they will give you EXACT tire measurements for each tire. So one 285/75/16 tire might measure 32" tall while another manufacturer's 285/75/16 might actually meausure up t 33" tall.


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride
Re: Totally Noob 4x4 Question... #539472 12/25/04 05:51 AM
Joined: Nov 2003
Posts: 105
B
BruceTS Offline
Wheeler
The first ever upgrade I did to my rig was going to 265/75-16 BFG at's, they measured 31.8" diameter and had very little rubbing during full compression, with the wheels turned.

You'll only need a body lift, or suspension lift when going to 33's.

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