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Unread 07-02-2013, 01:33 AM   #1
archie05rubicon
Registered User
2005 TJ Wrangler 
 
Join Date: Jul 2008
Location: Eagan Minnesota
Posts: 8
Backspacing for 33x13.50

Jeep Forum has been an invaluable resource in my research of how to lift my `05 TJ. I hope this precise question hasn’t been asked.

I need help choosing the proper backspacing for Toyo Open Country MT 33x13.50 tires (approved rim width 8.5 – 11). I will run 7 inch flares so they should accommodate any of the choices I would make. But I am hoping to avoid restricting the steering stops.

My concern is overstressing the wheel bearings. The tires weigh 75 pounds and even the least backspacing I can get away with will be tasking the bearings beyond OEM specs.

I am installing the Old Man Emu 2.5 inch suspension lift and the JKS 1.25 biscuits. I have seen in threads here that this tire will fit on 8.0 inch wheels. (I like the 8 inch idea but will consider 10 inch wheels)

If I were going to run 12.5 tires I’d simply go to the Cragar Soft 8 with 3.75 BS. Other ideas include; Raceline Rockcrusher Black 887 15x8 3.25” BS and 15x10 3.63 BS or Pro Comp Series 98 15X8 3.50” BS.

I wish there were 9 inch wheels but if there are I haven’t found them. Thanks for reading this. What would you chose?

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