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Thread: Jeep JK Wrangler 2.5" Budget Boost Installation Write-Up

  1. #21
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    Great write up, I will definitely be using this as reference but I have a few questions.

    Does the TF 2.5 BB also level the JKU or will it still run with a little rake but just 2.5 in taller? Also, If I am installing this on a 2010 JKU sahara should I consider getting a kit with shocks as well? I am only planning on running duratrac 285/70 17's so do you think that 2.5 in lift would look odd with the smaller tires. I am not sure if I should do the 2.5 BB or just a leveling kit. This is our DD and we only go offroad less then 5% of the time but I don't want to have issues with rubbing that 5% of the time. Sorry I am just confused as to which kit to go with.

    Thanks,
    Work2play

  2. #22
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    Quote Originally Posted by work2play View Post
    Great write up, I will definitely be using this as reference but I have a few questions.

    Does the TF 2.5 BB also level the JKU or will it still run with a little rake but just 2.5 in taller? Also, If I am installing this on a 2010 JKU sahara should I consider getting a kit with shocks as well? I am only planning on running duratrac 285/70 17's so do you think that 2.5 in lift would look odd with the smaller tires. I am not sure if I should do the 2.5 BB or just a leveling kit. This is our DD and we only go offroad less then 5% of the time but I don't want to have issues with rubbing that 5% of the time. Sorry I am just confused as to which kit to go with.

    Thanks,
    Work2play
    The BB will lift your Jeep up evenly so if you don't like the rake you have now, you will still have it. If you want a bit more clearance and level things out, the leveling kit is what you should look into. For 285's, that'll be all that you need to clear them. If you want more height, you can always install the 2.5" BB and add .5" spacers on top of it.

  3. #23
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    [QUOTE=work2play;46274]Great write up, I will definitely be using this as reference but I have a few questions.

    I am only planning on running duratrac 285/70 17's so do you think that 2.5 in lift would look odd with the smaller tires.

    This is my JKUR with 2.5 mine was 2.5" front 2" rear with 255/75 /17 witch are .6 inches smaller that what you will be getting. DSC_0003.jpg

  4. #24
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    Jeep JK Wrangler 2.5" Budget Boost Installation Write-Up

    I had this budget boost on my old 2009 2dr wrangler with 33's and it looked great and performed great too. Was easy to install by myself and considering the cost I don't think it can be beat for value for money....

    I have a question though, I'm just getting round to modifying my new jeep, 2012 2dr sport with 3.73 gears M/T, I'm looking at the same lift, 2.5 BB, but this time I'm thinking to go with 35's. 90% of the time it will be used on the road unfortunately, the few times I do get to go offloading will be in the desert. Will adding 35's on stock sport axles do damage to the drive train factoring in the extra weight and rotational mass of a 35. The last thing I want is repair bills for busted clutches and/or driveshafts, transfer cases etc, or would the better option to go with 33's again like my previous jeep? I can't seem to find a threat or specific answers on this.

  5. #25
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    Quote Originally Posted by leonbickers View Post
    I had this budget boost on my old 2009 2dr wrangler with 33's and it looked great and performed great too. Was easy to install by myself and considering the cost I don't think it can be beat for value for money....

    I have a question though, I'm just getting round to modifying my new jeep, 2012 2dr sport with 3.73 gears M/T, I'm looking at the same lift, 2.5 BB, but this time I'm thinking to go with 35's. 90% of the time it will be used on the road unfortunately, the few times I do get to go offloading will be in the desert. Will adding 35's on stock sport axles do damage to the drive train factoring in the extra weight and rotational mass of a 35. The last thing I want is repair bills for busted clutches and/or driveshafts, transfer cases etc, or would the better option to go with 33's again like my previous jeep? I can't seem to find a threat or specific answers on this.
    You should be fine so long as you get the kit with the shock extensions or shocks that are short enough to prevent your front axle from getting too much droop. That'll help keep your front drive shaft from getting damaged. Otherwise, your drive train should be fine running 35's.

  6. #26
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    Re: Jeep JK Wrangler 2.5" Budget Boost Installation Write-Up

    Quote Originally Posted by wayoflife View Post
    You should be fine so long as you get the kit with the shock extensions or shocks that are short enough to prevent your front axle from getting too much droop. That'll help keep your front drive shaft from getting damaged. Otherwise, your drive train should be fine running 35's.
    Thanks for the response. Can you elaborate a little more on what the axle droop is and how it comes into play when adding a lift such as a 2.5BB. I was thinking to keep the original shocks to begin with and change them out at a later date.

    Sent from my GT-I9300 using WAYALIFE mobile app

  7. #27
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    Quote Originally Posted by leonbickers View Post
    Thanks for the response. Can you elaborate a little more on what the axle droop is and how it comes into play when adding a lift such as a 2.5BB. I was thinking to keep the original shocks to begin with and change them out at a later date.

    Sent from my GT-I9300 using WAYALIFE mobile app
    On 2012 and newer model JK's, your front drive shaft will make contact with the exhaust cross over if your front axle is allowed to droop too much. This will not be an issue if you just stick with the factory shocks.

  8. #28
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    Jeep JK Wrangler 2.5" Budget Boost Installation Write-Up

    Quote Originally Posted by wayoflife View Post
    On 2012 and newer model JK's, your front drive shaft will make contact with the exhaust cross over if your front axle is allowed to droop too much. This will not be an issue if you just stick with the factory shocks.
    Ok thanks, looks like I will need to go with the shocks too!

  9. #29
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    Quote Originally Posted by leonbickers View Post
    Ok thanks, looks like I will need to go with the shocks too!
    If you go with new shocks, you need to make sure they are ones made for a 2012 or newer so that they won't be too long. If they are, you WILL have issues.

  10. #30
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    13 JKUR BB install done, ready for 35's

    I have a 2013 JKUR and just installed this kit.

    I wanted to add a few notes to people to clear up some confusion to some who may be looking to install. I found every thread before hand and reviewed before I pulled the trigger. But there are still some things that I learned during install.

    Sway bar links, non greasable:
    My Kit did not have greasable sway bar links, and I don't think they come this way anymore. The ones I received had extended sway bar links that were very similar to stock. The weird thing is that I received a bag with grease nozzles for the sway bar links, so it was very confusing making me think something was missing or sent to me in error. I am still waiting on Teraflex response to make sure I received right parts.

    Rear sway bar link installation:
    I installed my links on the outside of the sway bar and axle mount. I just did not see how it had enough room if I installed them on the inside sway bar and axle mount. not sure if there was any difference between 2013 and older models.

    Front Brake Lines:
    Front brake lines had to be adjusted and slack pulled from caliper side to leave more room for the axle droop. Even still, there does not seem to be enough brake line for full axle droop. I have put a call into Teraflex, as I am afraid I will run into a damaged brake line if I go offroading and allow the axle to droop all the way. I was playing around with it on the jacks while the jeeps was on stands, and seemed the shocks and extensions allow the axle to drop farther than the brake line allows.

    Spring installation:
    Fronts were worse than rear. I recommend a spring compressor if you are running Rubicon springs or anything longer than stock sport spring. They were a pain in the a** to reinstall without getting creative. A trip to the auto store for a free rented spring compressor would have been nice if I had prepared for it. Instead I used a vice to compress a few coils and wire tie them until I installed, then snipped the wires. The problem on the front is that the front axle has limited travel down due to driveshaft hitting exhaust. You cannot push axle down any further unless you detach the driveshaft. A fully extended spring will not fit back on top of axle with the spacers unless you compress it.



    Other than that, the ride is great, steering was not even affected, and everything is as it was before, just 2.5" higher, and the front rake seems to be gone. Installing my 35" tires this week. I just have to get rid of my stockers to pay me back for the new wheels and tires. Wheels cost more for my jeep than my benz thanks to price of tires.
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