Originally Posted by vgilbertson
Have a question on the transfer case, YJ front dif is vacuum controlled by the transfer case - do I need to install the manual kit? I don't see it referenced in any of the write ups.
If you're using the XJ transfer case, and it's an NP231, you can keep your vacuum disconnect by trasnfering the vacuum switch over. When I did my 4.0 swap I used the '95 XJ NP231 in my '87 YJ with the vacuum disconnect still.
'87 YJ Laredo
- 4.0L, AX-15, NP231, 4.10s: 3.5" BDS, 31" Muds
- Donated drive train to the YJ, Parted out the rest
- Buick 225 V6: Painless Wiring Harness, Warn Overdrive & Hubs, 2" Lift, 31" Muds