84wagoneer

looking to put a 4" lift on, and was wondering with the older automatic jeeps if you needed a SYE kit.

also what are the options for me with my NP207? i know you guys will say swap to the 231 but im not hard on my truck and my 2.8 doesnt put out enough torque to do any damage.

EndlessMtnFab

At one time, Rubicon Express had an adapter piece for the 207 (you would have used their Hack/Tap kit). They no longer sell the item.


Best I can do is make a call and see if there are any left in inventory and then send you a PM.



Or you can look around online for a D.I.Y. SYE (go-jeep.com comes to mind).



Joe

84wagoneer

could i get away with a t-case drop? i dont offroad hard, pretty much just getting in and out of muddy snowy situations hunting and fishing

EndlessMtnFab

All depends how bad the misalignment is.



I called RE ... it was just a spacer. He said "in theory" you could machine one up from scratch. And of course, they dont' have the files for it.



Joe

mike37

run a slip yoke CV works great if you are not looking for long travel
I have one on my Cherokee you will need to turn the pinion up to align the shaft

look in my pics

mike37

that 207 is not a bad TC for your use and it have a good low rang

EndlessMtnFab

As long as you can figure out the spacer ..... otherwise an SYE is of no use to him.



Only other SYE I see for it .... is Tom Wood's unit. It's another glorified hack & tap that you have to disassemble to install.



Joe

mike37

its not a sye its a stander drive shaft with a slip yoke and CV
no mod necessary on the TC

EndlessMtnFab

http://4xshaft.com/SYE/207TransferCase_EarlyDesign.html




Okay Mike ... read that and get back to me.



I know what you typed ... but that is not what I was referring to. Your suggestion (in my opinion) is even more of a stop-gap fix.


At any rate .. the longer wheelbase of an XJ will not produce as much angularity issues. Lift it ... see how bad the angles are ... and then get back with the board for more detailed input.

mike37

the bottom shaft no mod to the tc

EndlessMtnFab

I know what you're talking about. I think they're junk. You'll have more movement around the CV from "play" in the splines. And it's shorter than a regular CV driveshaft ... prompting more pinion angle to get it "in line"



At 3.5-4 inches .... he might be okay with just a simple 1/2 inch spacer. The best way to do it ... is install it and take measurements. I might be wrong here ... but I think the 207 has a slightly shorter tailcone than the 231 to start with.



Joe

mike37

I run one 5.5 lift works great
and the tail cone supports the yoke not the splines
its not for a full on rock crawler or heavy 4x4 it works great for trail rig moderate 4x4 mud snow and ice

the pinion angle is only 1 deg different that if I had a sye

EndlessMtnFab

The tail cone supports the yoke? That's a new one on me.



I give up ... go ahead and dispense your advice.




Joe

mike37

the tail cone has a bushing that helps support the yoke
look it up in your book

the newer 231 don't have a tail cone so the yoke is supported completely by the spline shaft

go ahead and keep your closed mind

EndlessMtnFab

I did. Opened up a few factory service manuals. And I've only serviced several dozen in the last few years. It's not even a slip fit for that bushing.

*edit* In fact .. the NP231 AND NP207 part number is J813 4490

My mind is quite open ... you just need to have the last word and even when I give it to you ... you want to keep going.



Joe