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35 pre-install checklist

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Old Nov 30, 2009 | 09:15 AM
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Question 35 pre-install checklist

Just want to make sure I'm not missing anything...

1. BFG KM2 35x12.5r17s
2. RR 17x9s with 4.56 bs
3. TFS 2.5 perf BB w/ shocks
4. LOD rear bumper/tire carrier (lights, 3rd lite ext, jerry can mnts, rack)
5. JKS 2.5-6in front disconnects

From what I've read here:
1. Shouldn't have any issues with fenders / rubbing except perhaps at extreme flex
2. Shouldn't have any issues with standard rubi rock rails
3. shouldnt have any issues with Death Wobble since BB isnt touching front trackbar
4. Caster / alignment should be done after full install / shouldnt have any issues

Hopefully I can deal with the 3.73 gears on a manual 6speed for a while...

Anything else?

Thx!
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Old Nov 30, 2009 | 09:57 AM
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1. Shouldn't have any issues with fenders / rubbing except perhaps at extreme flex
You have disconnects. I think you will rub sooner that 'at extreme flex', since the disconnects give the tires another few inches of up-travel.

3. shouldnt have any issues with Death Wobble since BB isnt touching front trackbar
There are other causes of DW, the trackbar just happens to be the most common.

4. Caster / alignment should be done after full install / shouldnt have any issues
There is no caster adjustment with that kit. Unless you are installing adj control arms as well? And they won't be re-centering the axles unless you get adj trackbars. So the only things they can do would be to re-center the steering wheel and set the toe. Check the write-up and do it yourself, if you even need it...

http://project-jk.com/jeep-jk-write-...-end-alignment
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Old Nov 30, 2009 | 10:50 AM
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yep..the BB is just that..nothing special for now.. spending the $ on wheels, tires, and carrier.

Hopefully the bb will last me through the summer
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Old Nov 30, 2009 | 11:33 AM
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Once you have that new rear bumper on, the back will sag a little if you keep your stock springs. A 35 inch spare, bumper, jerry cans, etc. adds up to a lot of weight pushing your rear springs down.
I run 3.73s with 35s and an auto trans. Its not bad. You'll want to turn off your overdrive when you're on the highway (if manual has overdrive), but it is totally driveable.
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Old Nov 30, 2009 | 12:21 PM
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Originally Posted by JK Rocker
Once you have that new rear bumper on, the back will sag a little if you keep your stock springs. A 35 inch spare, bumper, jerry cans, etc. adds up to a lot of weight pushing your rear springs down.
I run 3.73s with 35s and an auto trans. Its not bad. You'll want to turn off your overdrive when you're on the highway (if manual has overdrive), but it is totally driveable.
Yes. 5th and 6th gear.
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Old Nov 30, 2009 | 12:26 PM
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good to know.. if the rear sags too much, mebe i can just put in the tf 3in rear springs...
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Old Nov 30, 2009 | 12:49 PM
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Originally Posted by PCHSahara
Just want to make sure I'm not missing anything...


3. shouldnt have any issues with Death Wobble since BB isnt touching front trackbar

Anything else?

Thx!
If you are concerned with DW, i suggest that you check all of the front suspension joints and bushings for wear before you install the BB.

I don't know how much wear and tear your '08 JK has been subjected to, but if one of those joints has play in it, it is very likely to cause DW once you install the lift.

Also torque everything back to spec for the same reason.
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Old Nov 30, 2009 | 12:53 PM
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Originally Posted by PCHSahara
good to know.. if the rear sags too much, mebe i can just put in the tf 3in rear springs...
This is what I had to do on the front. I had the TF BB spacers up front, but my winch and bumper brought it WAY down. Put in the TF 3in springs, and it sits perfectly level. I ended up having to add adjustable track bars, though.
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Old Nov 30, 2009 | 01:03 PM
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If you are running the OEM front bumper...you may still rub the front tires on the rediculous airdam at full lock even when on the street....so just rip it off on a rock or something....Sounds like you have a good list......we all could suggest allot of additional mods to do, but for the most part you should be just fine...

Remember your speedo will be off with this new setup there are options like flashpaq or other programmers to recal for you though...good luck...post some pics asap
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Old Nov 30, 2009 | 01:09 PM
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Originally Posted by OD_Green
Yes. 5th and 6th gear.
sorry to bust your bubble but only 6th is overdrive, .72 i beleive. 5th is 1:1
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