Notices
Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

PLEASE DO NOT START SHOW & TELL TYPE THREADS IN THIS FORUM

35x12.5 tires on stock rubicon wheels?

Thread Tools
 
Old 02-03-2009, 11:00 AM
  #1  
JK Enthusiast
Thread Starter
 
Schantin's Avatar
 
Join Date: Aug 2007
Location: Ft. Irwin, CA (But Willamsburg VA is home)
Posts: 378
Likes: 0
Received 1 Like on 1 Post
Default 35x12.5 tires on stock rubicon wheels?

Can't seem to get a definitive answer on this.

I know the rim size for the stock Rubicon rim is 8" and that most (all) 35x12.5 tires show a rim size of 8.5" and up.

But....I've seen a couple posts on here of peeps running 315/70 R17's..... which is the same thing as a 35x12.5.

So..... will they fit (safely)? Are there issues with stability when driving on road (especially at interstate speeds?)

The search and sticky don't address this exact Q. Those topics only cover max tire size on an unlifted Jeep.

$0.02 appreciated. Thanks.
Old 02-03-2009, 12:20 PM
  #2  
JK Enthusiast
Thread Starter
 
Schantin's Avatar
 
Join Date: Aug 2007
Location: Ft. Irwin, CA (But Willamsburg VA is home)
Posts: 378
Likes: 0
Received 1 Like on 1 Post
Default

Originally Posted by OlegFl
stock rubi rim is 7.5"

I run 35's on my stock rim. They fit, no problems at all at any speeds ( I run 80-90 mph sometimes). I had them for about 10K miles.

So the answer is YES, they fit.

Now as for safety, I'm not concerned but I don't want to give you the wrong answer so maybe someone else can mention the saftely aspect.
7.5"? Learned something new today. Appreciate the input . Thanks
Old 02-03-2009, 01:07 PM
  #3  
JK Enthusiast
 
km2jk's Avatar
 
Join Date: Feb 2008
Location: frederick, co
Posts: 323
Likes: 0
Received 0 Likes on 0 Posts
Default

I actually ran 35's on my stock wheels with no lift for a while. They rubbed the sway bar links at full lock. Never thought of wheelin it like that though. With a lift you shouldnt have a problem.
Old 02-04-2009, 05:54 PM
  #4  
JK Freak
 
IMFletch's Avatar
 
Join Date: Dec 2007
Location: Portland, OR - Eastside
Posts: 950
Likes: 0
Received 0 Likes on 0 Posts
Default

If you use the stock wheels with 12.5" wide tires you are going to rub, especially on the inside rear suspension. You will need to get wheel spacers of at least 1" or probably 1.5" so you have enough backspacing (4.75") min is recommended so that you don't rub.

Search on "backspacing" and "35" and you will find many posts on this topic.
Old 02-04-2009, 06:05 PM
  #5  
JK Freak
 
IMFletch's Avatar
 
Join Date: Dec 2007
Location: Portland, OR - Eastside
Posts: 950
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by OlegFl
ye... forgot to mention .... I have 1.5" wheel spacers. No rubbing issues at all.
Got it, then you have enough backspacing, you are good on that front.

Last edited by IMFletch; 02-04-2009 at 06:53 PM.
Old 02-04-2009, 07:18 PM
  #6  
JK Enthusiast
Thread Starter
 
Schantin's Avatar
 
Join Date: Aug 2007
Location: Ft. Irwin, CA (But Willamsburg VA is home)
Posts: 378
Likes: 0
Received 1 Like on 1 Post
Default

Thanks again for the replies...... they were of great help



Quick Reply: 35x12.5 tires on stock rubicon wheels?



All times are GMT -8. The time now is 12:44 AM.