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Topic Review (Newest First)
09-21-2012 07:27 PM
Salem50001
Quote:
Originally Posted by Wattapunk View Post
For trail air down, I would recommend going with a 15x7 wheel vs. 15x8 on a 10.5" wide tire. A 7" wide wheel will hold the tire better during air down for you tire size.The proper backspacing to prevent rub and sticks out a little, go with a BS of 3.75".
Keep in mind that if you decide to go with a larger tire in the future(11.5"-12.5" wide) ,then you have to go with 15x8.
I am going with the 8" wide because I would like to go to a 33x12.5 (I think that is the correct size)

Quote:
Originally Posted by jasongind View Post
I'm running 17x8 wheels with a 3.75" backspacing and 35x12.50 tires. I adjusted the steering strops and there is no contact while at street pressure and driving around. On the trail when I air down I get rubbing once again. One thing I learned, the hard way, to watch out for is the brake line that is mounted to the frame rail. On the last run my tire actually flexed enough for a lug to hit the steal brake line and bust it at the fitting. I lost brakes coming down the trail, in the middle of a hair pin turn that required stopping and backing up to make the turn. I was able to turn the Jeep off and stop before rolling over the edge.

If I would have had 1.25" spacers, or a wider backspacing, there would have been no issues. So take that into consideration when choosing backspacing.
When you say wider backspacing what do you mean. Since you have 3.75" BS would wider be something like 3" BS?
09-21-2012 03:39 PM
jasongind I'm running 17x8 wheels with a 3.75" backspacing and 35x12.50 tires. I adjusted the steering strops and there is no contact while at street pressure and driving around. On the trail when I air down I get rubbing once again. One thing I learned, the hard way, to watch out for is the brake line that is mounted to the frame rail. On the last run my tire actually flexed enough for a lug to hit the steal brake line and bust it at the fitting. I lost brakes coming down the trail, in the middle of a hair pin turn that required stopping and backing up to make the turn. I was able to turn the Jeep off and stop before rolling over the edge.

If I would have had 1.25" spacers, or a wider backspacing, there would have been no issues. So take that into consideration when choosing backspacing.
09-21-2012 02:52 PM
Wattapunk For trail air down, I would recommend going with a 15x7 wheel vs. 15x8 on a 10.5" wide tire. A 7" wide wheel will hold the tire better during air down for you tire size.The proper backspacing to prevent rub and sticks out a little, go with a BS of 3.75".
Keep in mind that if you decide to go with a larger tire in the future(11.5"-12.5" wide) ,then you have to go with 15x8.
09-20-2012 08:33 PM
Salem50001
Tires and Wheels

From the previous owner my Jeep is running 31x10.5 on 15x10. I have been putting mods on it to make it more trail ready and I will soon be going down to a 8" wheel so I can air down while out playing.

My question is; will a low number backspacing be harmful in anyway to the axle or anything else? I'm not sure of my current backspacing but I was looking at wheels that have a 2.5 backspacing mainly because I want the wheels to be pushed out more and I don't want to do wheel spacers since I already have to change my wheels. For more info about the Jeep I plan on doing a 2.5" lift in two weeks.

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