Modified XJ Cherokee Tech XJ (84-01)
All modified tech questions. If it modifies your XJ beyond stock parts ask it here.
Sponsored by:
Sponsored by:

33" vs 285 Tires

Old May 31, 2012 | 08:17 PM
  #1  
mtbfreak612's Avatar
Thread Starter
Member
 
Joined: Feb 2012
Posts: 213
Likes: 0
From: Wilton, CT
Year: 1998
Model: Cherokee
Engine: 4.0 Inline 6
Default 33" vs 285 Tires

whats the difference between a 33" tall tire and a 285 tire. 285 closer to a 34" tall tire? or smaller?

thanks all
Reply
Old May 31, 2012 | 08:21 PM
  #2  
theBrew99XJ's Avatar
Member
 
Joined: Dec 2011
Posts: 230
Likes: 1
From: Central Maine
Year: 1999
Model: Cherokee
Engine: 4.0 HO
Default

Google it, find one of those tire calculating sites, there all around the web.
Reply
Old Jun 1, 2012 | 08:13 PM
  #3  
ultimate-xj's Avatar
Junior Member
 
Joined: Apr 2011
Posts: 88
Likes: 3
From: Nebraska
Year: 1997
Model: Cherokee
Engine: 4.0L
Default

33 is how tall. 285 is just the width.
Reply
Old Jun 1, 2012 | 08:20 PM
  #4  
Kuro89's Avatar
Senior Member
15 Year Member
 
Joined: Jan 2011
Posts: 917
Likes: 101
Default

Gotta calculate it, for metric tires the first is the width in mm, second is the aspect ratio (70 means sidewall height is 70% of tread width ) then rim size. Overall height is 2x the aspect ratio plus the rim size
Reply
Old Jun 1, 2012 | 08:28 PM
  #5  
jhampton's Avatar
Senior Member
 
Joined: Nov 2011
Posts: 667
Likes: 1
From: shelley, idaho
Year: 1988
Model: Cherokee
Engine: 242CID I-6
Default

Originally Posted by ultimate-xj
33 is how tall. 285 is just the width.
???? what are you smokin? example! 285/75 16 285 height 75 width 16 wheel size
Reply
Old Jun 1, 2012 | 08:31 PM
  #6  
bighouts5591's Avatar
CF Veteran
 
Joined: Nov 2011
Posts: 1,469
Likes: 0
From: State College, PA
Year: 1995
Model: Cherokee
Engine: 4.0 I6
Default

Originally Posted by jhampton
???? what are you smokin? example! 285/75 16 285 height 75 width 16 wheel size
Nobody has ever been more wrong than that. 285 is the width of the tire, 75 is the sidewall height (75% of the width) and yes, 16 inches is the rim size. So you were right about one thing
Reply
Old Jun 1, 2012 | 08:32 PM
  #7  
Kuro89's Avatar
Senior Member
15 Year Member
 
Joined: Jan 2011
Posts: 917
Likes: 101
Default

Originally Posted by jhampton
???? what are you smokin? example! 285/75 16 285 height 75 width 16 wheel size
That's not how metric tires are sized
It's tread width/aspect ratio/ rim size
Reply
Old Jun 1, 2012 | 08:32 PM
  #8  
Outlaw Star's Avatar
CF ADMIN
Veteran: Army
 
Joined: Sep 2010
Posts: 34,088
Likes: 257
From: Lantana, Fl
Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
Default

Originally Posted by jhampton
???? what are you smokin? example! 285/75 16 285 height 75 width 16 wheel size
Most 285/75R16s are roughly 32.5 x 11.50 I say roughly cause each manufacturers tire may be plus or minus 1 inch in height or width. The calculations are just for a rough measurement, but pretty close.
Reply
Old Jun 1, 2012 | 08:33 PM
  #9  
Outlaw Star's Avatar
CF ADMIN
Veteran: Army
 
Joined: Sep 2010
Posts: 34,088
Likes: 257
From: Lantana, Fl
Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
Default

Originally Posted by Kuro89

That's not how metric tires are sized
It's tread width/aspect ratio/ rim size
^this^
Reply
Old Jun 1, 2012 | 09:33 PM
  #10  
jhampton's Avatar
Senior Member
 
Joined: Nov 2011
Posts: 667
Likes: 1
From: shelley, idaho
Year: 1988
Model: Cherokee
Engine: 242CID I-6
Default

Never mind read it wrong been up for 22 hours at work.
Reply
Old Jun 1, 2012 | 09:37 PM
  #11  
Outlaw Star's Avatar
CF ADMIN
Veteran: Army
 
Joined: Sep 2010
Posts: 34,088
Likes: 257
From: Lantana, Fl
Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
Default

Originally Posted by jhampton
Never mind read it wrong been up for 22 hours at work.
No biggie. Had the same prob the other day.
Reply
Old Jun 1, 2012 | 09:38 PM
  #12  
bighouts5591's Avatar
CF Veteran
 
Joined: Nov 2011
Posts: 1,469
Likes: 0
From: State College, PA
Year: 1995
Model: Cherokee
Engine: 4.0 I6
Default

Oh now I'm the ******* again haha
Reply
Old Jun 2, 2012 | 12:18 AM
  #13  
jhampton's Avatar
Senior Member
 
Joined: Nov 2011
Posts: 667
Likes: 1
From: shelley, idaho
Year: 1988
Model: Cherokee
Engine: 242CID I-6
Default

Originally Posted by bighouts5591
Oh now I'm the ******* again haha
Nope I am
Reply
Old Jun 2, 2012 | 12:29 PM
  #14  
BobF's Avatar
Member
 
Joined: Mar 2012
Posts: 202
Likes: 0
From: Reno
Year: 1990
Model: Cherokee
Engine: 4.0 I6
Default

Originally Posted by bighouts5591
Oh now I'm the ******* again haha
It still helped me out on what's what, I always get confused.
Reply
Old Jun 2, 2012 | 04:37 PM
  #15  
mallkrawler21's Avatar
Newbie
 
Joined: Jun 2012
Posts: 25
Likes: 0
Model: Cherokee
Default

285s arent as wide as the 33x12.5s
Reply

Thread Tools
Search this Thread

All times are GMT -5. The time now is 03:42 PM.