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Old 02-03-2015, 07:55 AM
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New lift, stock wheels BS question

Hello,


I ordered a 2.5" Rubicon express lift the other day, with the help of some WF advice! Looking over the installation instructions I found it states:

Application information:
• This kit is designed for the use of 35” diameter tires or smaller. If 35” tires are to be installed, it is recommended to use 35” x12.50” tires on an 8”-9” wide
wheel with an offset of 0 to 12mm+.

I know 0 to 12mm would be 5-5.5" BS wheels. However I plan on running the stock rims and tires (255/75/17s) until may when I get new wheels are tires. If I install this now I will I need to get spacers for the stock wheels which I think are 6.5"?

Note: I will not offroad much any until may when new tires are put on. Possibly ok just using as a DD?

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Old 02-03-2015, 08:51 AM   #2
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You'll should be fine with stock wheels and tires. They're talking about wider tires, which would require the different backspacing. Most shoot for around 4.5 bs on those tires.

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Old 02-03-2015, 09:26 AM   #3
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Just check it out carefully after you put it together. The "rub" is where the rear sway bar links are now closer to the fat part of the tire. Some aren't close at all and others are right up next to the tire.
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Old 02-03-2015, 10:27 AM   #4
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You only get tire rub because you didn't install adjustable track bars on front and back to center the axel. Don't just lift a jeep, get all the correct parts to keep the geometry as close to factory as possible. Just lifting will pull the axels opposite directions.
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Old 02-03-2015, 10:43 AM
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Quote:
Originally Posted by SC Jeeper View Post
You only get tire rub because you didn't install adjustable track bars on front and back to center the axel. Don't just lift a jeep, get all the correct parts to keep the geometry as close to factory as possible. Just lifting will pull the axels opposite directions.

I infact did purchase adjustable track bars, as well as reloaction brackets for control arms. I have NOT installed anything yet, just a general question of the kit and backspacing on factory wheels.
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Old 02-03-2015, 11:01 AM   #6
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Quote:
Originally Posted by KME0112 View Post
I infact did purchase adjustable track bars, as well as reloaction brackets for control arms. I have NOT installed anything yet, just a general question of the kit and backspacing on factory wheels.
The axle mount rear track bar bracket is designed to put back stock geometry, so that is not an issue.

A front adjustable track bar is a nice upgrade, that can be done at any time. At 2.5 lift, the track bar is not necessarily needed because the axle shift is a very small amount.
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Rugged Ridge XHD
bumper - Yukon Gears - G2 Diff Covers - Pro Comp 8186 - Milestar Patagonia 35's - Teraflex BRK
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Old 02-03-2015, 11:35 AM   #7
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Quote:
Originally Posted by Pressurized View Post
The axle mount rear track bar bracket is designed to put back stock geometry, so that is not an issue. A front adjustable track bar is a nice upgrade, that can be done at any time. At 2.5 lift, the track bar is not necessarily needed because the axle shift is a very small amount.
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Old 02-03-2015, 01:06 PM   #8
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Quote:
Originally Posted by KME0112 View Post
Hello,


I ordered a 2.5" Rubicon express lift the other day, with the help of some WF advice! Looking over the installation instructions I found it states:

Application information:
• This kit is designed for the use of 35” diameter tires or smaller. If 35” tires are to be installed, it is recommended to use 35” x12.50” tires on an 8”-9” wide
wheel with an offset of 0 to 12mm+.

I know 0 to 12mm would be 5-5.5" BS wheels. However I plan on running the stock rims and tires (255/75/17s) until may when I get new wheels are tires. If I install this now I will I need to get spacers for the stock wheels which I think are 6.5"?

Note: I will not offroad much any until may when new tires are put on. Possibly ok just using as a DD?
Your factory wheels are 6.25 BS.

Attachment 1869298

Attachment 1869306

^^^These charts will help you to understand wheel width, Back Spacing and offset. The options that are available........

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