SYE axle shim question

Stoopid Jeep

YJ Enthusiast
Joined
Dec 25, 2021
Messages
159
Location
North Idaho
Just wondering where to start. I have an OME 2.5" lift currently installed with a 1" motor mount lift and 2.5° rear axle shims. Still running the stock driveline. I am getting ready to install a UCF extra clearance skid plate that raises the transfercase 1" and an Advanced Adapters SYE. I can't measure angles until it's all together and don't want to wait for shims before I can drive it.
So the question is: what shims will get me close? Close enough to drive it.
Can I get away with the 2.5° shims for a couple weeks while the correct shims are on order?
 

machoheadgames

Certified YJ Researcher
Supporting Member
Joined
May 19, 2020
Messages
1,312
Location
Dallas, TX
Motor mount lift doesn’t really change the driveline angles much. With an SYE 6° shims on OME was perfect if I remember right. With the 1.5” tuck I needed around 8°. I did a D44 swap though so now it’s all a blur. Rough country 2.5” included 6° Shims which were perfect for SYE.

The 2.5° shims are not really gonna be enough for an SYE. You can maybe do it temporarily but it won’t be ideal. I’d order up a set of 6°.

Or actually just reread and with the UCF extra clearance (Same I did), probably go with the 8’s.
 
OP
Stoopid Jeep

Stoopid Jeep

YJ Enthusiast
Joined
Dec 25, 2021
Messages
159
Location
North Idaho
After a couple phone calls, I discovered that the local 4wd shop keeps shims and u bolts in stock. Looks like I can assemble, measure and correct the angles all the same day. That makes it easier(y)