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The Beast
11-03-2010, 05:42 PM
I am looking at purchasing some new wheels and tires and was curious what kind of backspacing will be necessary? I currently run 33x12.50's on 15x10 aluminum wheels w/o a lift or cutting. I want to run the same maybe 35x12.50s but on steel wheels.

70-K5
11-03-2010, 05:50 PM
Anywhere from 2.5" to 4.5" backspacing works. The smaller the number the farther they will stick out.

You won't be able to run 35's without some trimming or a lift.

The Beast
11-03-2010, 05:55 PM
To be clear the 2.5" will make the tire stick out further than the 4.5"?

70-K5
11-03-2010, 06:17 PM
Yes, back spacing means the difference between where the wheel mounts to the hub and the inner rim edge. So the inner rim edge will be 2.5" inboard of the hub mounting surface.

Koots
11-03-2010, 06:26 PM
I think 4.5" would be more ideal with a 10" wide wheel.