What did you do to your XJ/MJ today? - Page 6128 - JeepForum.com
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post #91906 of 91954 Old 11-18-2019, 04:06 PM
TheBoogieman
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Quote:
Originally Posted by XJ-Buzz View Post
vibration, so 1.25 transfer case drop ordered.
You can drop it with some thick washer just enough to get rid of any vibes. I dropped mine 1" with a 5" lift and no vibes. Driveline angles are good too.

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XJ driveshaft angle.jpg  

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
03' Rubicon/Zone 4" coils with 1" spacers up front/Rancho shocks/5.13 gears-35" MTZs/BM brakes
99' XJ / 5" lift / Rancho shocks/33" DC Extreme country MTs. Jeep #18
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post #91907 of 91954 Old 11-18-2019, 06:13 PM
chris87xj
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Originally Posted by RedJeepster1 View Post
1.25" is a lot for a transfer case drop. I would be willing to bet you don't need to drop the crossmember that far. Also, don't forget to check your U joints for wear. They may have been ok ride height, but now that the angle changed they are not happy.
Well said.

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post #91908 of 91954 Old 11-20-2019, 05:47 AM
XJ-Buzz
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Quote:
Originally Posted by TheBoogieman View Post
You can drop it with some thick washer just enough to get rid of any vibes. I dropped mine 1" with a 5" lift and no vibes. Driveline angles are good too.
Thank You for the ideas and tech knowledge, based on removing the fasteners on the x-member, I'll try some thick stainless fender washers and see what happens this weekend. Been spraying with PB Blaster, and hopefully I don;t need some heat to break the stud fasteners loose.

Regarding the rear new leaf pack, can I expect to see some " break in" or leveling. Tired out old leafs had a sag and now it seems I gained 3+ inches in the rear.
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post #91909 of 91954 Old 11-20-2019, 10:56 AM
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Quote:
Originally Posted by XJ-Buzz View Post
Thank You for the ideas and tech knowledge, based on removing the fasteners on the x-member, I'll try some thick stainless fender washers and see what happens this weekend. Been spraying with PB Blaster, and hopefully I don;t need some heat to break the stud fasteners loose.

Regarding the rear new leaf pack, can I expect to see some " break in" or leveling. Tired out old leafs had a sag and now it seems I gained 3+ inches in the rear.
Quality leaf packs lift Jeeps within an inch of the advertised height and should settle about 1/2" over time. My stock leafs were 20 years old (150,000 miles) and measured exactly what they should. Same with the front coils. People assume mileage and age = sag. It doesn't. The shocks don't usually hold up as well.

p.s. How much did the 3" leafs lift it?

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
03' Rubicon/Zone 4" coils with 1" spacers up front/Rancho shocks/5.13 gears-35" MTZs/BM brakes
99' XJ / 5" lift / Rancho shocks/33" DC Extreme country MTs. Jeep #18
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post #91910 of 91954 Old 11-20-2019, 06:35 PM
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Quote:
Originally Posted by TheBoogieman View Post
Quality leaf packs lift Jeeps within an inch of the advertised height and should settle about 1/2" over time. My stock leafs were 20 years old (150,000 miles) and measured exactly what they should. Same with the front coils. People assume mileage and age = sag. It doesn't. The shocks don't usually hold up as well.

p.s. XJ trans cross members (kinda sounds like Bruce/Caitlyn Jenner) bolts don't usually rust up like TJ ones do. How much did the 3" leafs lift it?
Well I didn't think to measure prior to the 3" install, but where would one measure from? Point to point reference....
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post #91911 of 91954 Old 11-21-2019, 08:12 AM
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Originally Posted by XJ-Buzz View Post
Well I didn't think to measure prior to the 3" install, but where would one measure from? Point to point reference....
Center of wheel to bottom of fender flare. 17.5" front and 17" rear is stock.

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
03' Rubicon/Zone 4" coils with 1" spacers up front/Rancho shocks/5.13 gears-35" MTZs/BM brakes
99' XJ / 5" lift / Rancho shocks/33" DC Extreme country MTs. Jeep #18
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post #91912 of 91954 Old 11-22-2019, 06:18 PM
XJ-Buzz
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Center of wheel to bottom of fender flare. 17.5" front and 17" rear is stock.
20" front & 21" rear.
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post #91913 of 91954 Old 11-23-2019, 09:28 AM
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I installed an SYE and replaced a bunch of bearings in my NP231, and yesterday, got it 90% reinstalled in the XJ. My transmission mount was also thrashed, so I put a polyurethane one in. Because of the lack of flexibility, which is what I want, it's making getting everything difficult to line up. This was after blowing a U-Joint because my slip yoke seized up out in the middle of nowhere. The good thing about wrecking a U-Joint because of a slip yoke that won't slide in and out is that you can knock the other U-Joint out of your driveshaft and pull yourself home on your front axle.

I also have a new yoke for the rear pinion that uses u-bolts instead of straps from Iron Rock Offroad that I'm going to throw in, and I need to get that all together so that I can get measurements for a new driveshaft and shims to get the angles right. I have a new CV centering yoke on the way so I can rebuild whatever driveshaft I'm going to use.
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post #91914 of 91954 Old 11-23-2019, 10:40 AM
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Top picture 88 Comanche 3 inch lift a small 31 tire(30.4 per Corsa tire website)
Bottom picture 4+ lift large 32ís(32.5 per Pathfinder website) completely changed the look.


Sent from my iPhone using Tapatalk
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post #91915 of 91954 Old 11-23-2019, 10:47 AM
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Quote:
Originally Posted by wranglertec View Post


Top picture 88 Comanche 3 inch lift a small 31 tire(30.4 per Corsa tire website)
Bottom picture 4+ lift large 32’s(32.5 per Pathfinder website) completely changed the look.


Sent from my iPhone using Tapatalk
Are you backwards on your top/bottom?

D3<!L!>3D
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post #91916 of 91954 Old 11-23-2019, 02:48 PM
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20" front & 21" rear.
OK, installed the RC 1" TC drop pucks and bolts. PB Blasted a couple days ago, PS insert came our doing the jam nut trick, DS fought too hard for the jam nuts and lost it's battle to the pipe wrench.

I would say that the vibe's are virtually gone....now new tires.
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post #91917 of 91954 Old 11-23-2019, 02:50 PM
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TC Drop

Quote:
Originally Posted by XJ-Buzz View Post
20" front & 21" rear.
OK, installed the RC 1" TC drop pucks and bolts. PB Blasted a couple days ago, PS insert came our doing the jam nut trick, DS fought too hard for the jam nuts and lost it's battle to the pipe wrench.

I would say that the vibe's are virtually gone....now new tires.
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post #91918 of 91954 Old 11-24-2019, 12:04 AM
garand555
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Are you backwards on your top/bottom?
Ha! It's side by side on mine! 32s on the left for me.
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post #91919 of 91954 Old 11-24-2019, 10:20 AM
TheBoogieman
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Quote:
Originally Posted by TheBoogieman View Post
Center of wheel to bottom of fender flare. 17.5" front and 17" rear is stock.
Quote:
Originally Posted by XJ-Buzz View Post
20" front & 21" rear.
2.5" front and 4" rear. Did you have to use a longer rear brake hose? I bought a YJ hose that was about 4" longer. My stock hose pulled loose before I got home.

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
03' Rubicon/Zone 4" coils with 1" spacers up front/Rancho shocks/5.13 gears-35" MTZs/BM brakes
99' XJ / 5" lift / Rancho shocks/33" DC Extreme country MTs. Jeep #18
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post #91920 of 91954 Old 11-24-2019, 11:39 AM
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I needed to extend the rear bump stops. I couldn't find any online long enough, so I need to figure out how to mount something at the bottom to get 2" more. I'm not sure if mine really needed to be replaced. They didn't look all that bad..... I was surprised that the frame didn't have any rust on it.
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Rusty bump stops.jpg   Rusty bump stops1.jpg  

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
03' Rubicon/Zone 4" coils with 1" spacers up front/Rancho shocks/5.13 gears-35" MTZs/BM brakes
99' XJ / 5" lift / Rancho shocks/33" DC Extreme country MTs. Jeep #18
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