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  Topic Review (Newest First)
Today 03:35 PM
TheBoogieman Trimmed the front end caps and removed the "spoiler" look and factory fog lights.
Yesterday 10:10 PM
RedJeepster1
Quote:
Originally Posted by Luke95 View Post
Found metal in my oil replaced my oil that will solve it right?

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FIWI


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Yesterday 08:06 PM
Luke95 Found metal in my oil replaced my oil that will solve it right?

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Yesterday 01:37 PM
shooptube
Quote:
Originally Posted by RedJeepster1 View Post
Have you driven it yet? This upgrade made a huge difference on my Jeep. And now you’ll never have to adjust those damn adjuster screws in the drums ever again. Did you install longer wheel studs at the same time? I know mine were awfully short looking after the swap. The rotors are noticeably thicker than the drums were, so you lose some stud length.


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I bought the correct length studs but the splined sections were too thick to pound into the chromo axles so I just used the shorter studs

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Yesterday 05:04 AM
RedJeepster1
What did you do to your XJ/MJ today?

Quote:
Originally Posted by shooptube View Post
Finished a great mod today that I have been waiting forever to do

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Have you driven it yet? This upgrade made a huge difference on my Jeep. And now you’ll never have to adjust those damn adjuster screws in the drums ever again. Did you install longer wheel studs at the same time? I know mine were awfully short looking after the swap. The rotors are noticeably thicker than the drums were, so you lose some stud length.


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09-17-2019 09:45 PM
shooptube Finished a great mod today that I have been waiting forever to do

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09-17-2019 07:28 PM
bluejunior Whatever your final choice, just do a hardware store TC drop for now to fix the vibes. Should be <$20 including new hardened metrics to replace the original bolt/stud setup. Just longer bolts plus some misc big nuts, steel spacers, washers, whatever you can find to squish in there as spacers.
09-17-2019 04:48 PM
kadetklapp I never thought my Jeep would go this high. To be honest I’m excited, but I didn’t anticipate that my Amazon/Craigslist/Facebook Marketplace mishmash of new parts would actually hoist this pig that high... Hence, my sudden unanticipated need to correct driveline angles.
09-17-2019 04:46 PM
kadetklapp I appreciate the input, seriously. That’s why I came back to the forums. The fact is I’m not a mechanic, I’m a self-employed quick lube jockey for my own fleet. Despite the knowledge I’ve gained here when putting it in practice I’ve thrown in the towel hence why I farmed out the lift to an actual mechanic.
09-17-2019 12:25 PM
bluejunior Sure, I ran a tcase drop for years until I managed to snag an SYE in a parts swap and many people do it without issue. Just need to make sure the new folks know the trade-offs in terms of risks and weaknesses even if an actual failure never manifests for many. Just about every option in an XJ is a tradeoff, if only in terms of something as simple as cash.
09-17-2019 08:24 AM
S8NNG8
Quote:
Originally Posted by TheBoogieman View Post
Quote:
Originally Posted by kadetklapp View Post
Truth be told I’ve never ridden in a lifted XJ let alone driven one. My last XJ I bought a 2” BB for and it never came out of the box.
30,000+ miles with my 4.5" lift with a t-case drop and no vibes or problems. I still have the original u-joints right now. No problems doing it on my other 2 XJs either. You should see how short the driveshaft on a TJ is. On a TJ with a 4" lift, the "right" fix is a SYE, DC driveshaft and all 8 adjustable control arms. My old 05' had a MML (motor mount lift) and 1/2" t-case drop with washers. After 8 years all was still good.
Sometimes you get a good bandaid that sticks.
09-17-2019 06:46 AM
TheBoogieman
Quote:
Originally Posted by kadetklapp View Post
Truth be told I’ve never ridden in a lifted XJ let alone driven one. My last XJ I bought a 2” BB for and it never came out of the box.
30,000+ miles with my 4.5" lift with a t-case drop and no vibes or problems. I still have the original u-joints right now. No problems doing it on my other 2 XJs either. You should see how short the driveshaft on a TJ is. On a TJ with a 4" lift, the "right" fix is a SYE, DC driveshaft and all 8 adjustable control arms. My old 05' had a MML (motor mount lift) and 1/2" t-case drop with washers. After 8 years all was still good.
09-17-2019 03:03 AM
RedJeepster1
What did you do to your XJ/MJ today?

Quote:
Originally Posted by kadetklapp View Post
And speaking of stupid questions, nasty little vibration and some noise on deceleration post-lifting 4”....is this indicator of needing a t-case drop?

Before you drop the T case, pull that rear shaft and just check that your u joints are in good shape. My fiancé’s Jeep is at 3.5-4” of lift and I was able to remove the shine the lift springs came with (they would hav been the right angle for an SYE, but wrong for stock shaft) and replace one U joint and got rid of the vibration without the need to drop the crossmember.

Also, if you do determine you need to drop the crossmember, you can do it a washer or two at a time and you may find that only a small amount of drop is needed to get rid of your vibration.

As Blue said, dropping the T case will improve the rear driveshaft angle, but make the front worse. Everyone does it anyway because the rear shaft has a load on it at high speeds where the front does not, so your much more likely to feel a vibration from the rear. In the end, SYE is the proper fix for the long term.


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09-16-2019 08:58 PM
bluejunior
Quote:
Originally Posted by kadetklapp View Post
Truth be told I’ve never ridden in a lifted XJ let alone driven one. My last XJ I bought a 2” BB for and it never came out of the box.
Just for clarity: A TC drop makes the rear angles better, but the front worse. It also doesn't do anything to fix the increased distance between teh rear axle and the TC after the lift. Lift enough and try to drop, you'll ruin the front angles, pull the driveshaft into little enough spline engagement that the output, shaft or both get chewed up, or the whole damn thing will fall out durig flex.

3-4" it usually works out okay for light duty stuff, but an SYE with a proper length driveshaft absolutely is the right fix.
09-16-2019 06:07 PM
Luke95
Quote:
Originally Posted by S8NNG8 View Post
There's he is!!!
I still do stuff

https://www.instagram.com/p/B2ckvRLH...=1lstelelfcro3

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