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Old 01-18-2011, 02:59 PM   #1
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Yj Wrangler Axle Upgrades; driveline upgrades

Im have a YJ with stock driveline setup and i was wondering what would be the best bang for my buck on axles or axle upgrades i want to get 8.8 but wondering if that will fit my jeep and the tires and rims so they aren't to wide because they already stick out a good bit.

Also i have a lift so im guessing bigger lift in the future i will need a slip yoke eliminator and a extended cv drive shaft?

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Old 01-18-2011, 03:18 PM   #2
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Originally Posted by fatcrack13 View Post
Im have a YJ with stock driveline setup and i was wondering what would be the best bang for my buck on axles or axle upgrades i want to get 8.8 but wondering if that will fit my jeep and the tires and rims so they aren't to wide because they already stick out a good bit.

Also i have a lift so im guessing bigger lift in the future i will need a slip yoke eliminator and a extended cv drive shaft?
I would go with the 8.8. I'm doing the one right now. The rims will fit right on and they are both very close to the same width so you won't have any problem there. You can pick one up cheep and if you can do the install yourself, even better.

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Old 01-18-2011, 04:33 PM   #3
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To help keep costs down, and less wrench time, do everything at once since you're doing an 8.8 swap. Slip yoke, cv driveshaft, lift, axle, etc, all at once. We wen't that route and while more money up front, it costed less due to having it all setup together. We didn't he to deal with shims for the rear as the 8.8's pinion angle was set and welded at the right angle, driveshaft was built once, no t-case lowering, etc) Make sure you get the right 8.8. You want one from an Explorer and if you get one from 96 up, it'll have disc brakes. The perches will need to be cut and moved and you'll need to figure out how to setup the e-brake. (search online, lots and lots of build ups if you search on google for yj 8.8 swap) Also, if you are staying spring under axle with the 8.8, you will lose some lift in the back and 5/8 boomerang shackles even it out perfectly (some don't even notice the lost lift in the back once the 8.8 is in. Basically, you got lots of reading ahead of you. Google is your friend.....and as always, take pics of your build and make a build thread; then you can help some other lost soul out there with a stock Jeep......
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Old 01-18-2011, 04:45 PM   #4
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Thanks for the information now what about the front axles with the prices cheaper?
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Old 01-18-2011, 05:39 PM   #5
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Thanks for the information now what about the front axles with the prices cheaper?
I didn't change my front axle. From everything I've read the D30 does just fine. All I had to do was re-gear it for the larger tires.
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Old 01-19-2011, 10:28 AM   #6
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Originally Posted by fatcrack13
Im have a YJ with stock driveline setup and i was wondering what would be the best bang for my buck on axles or axle upgrades i want to get 8.8 but wondering if that will fit my jeep and the tires and rims so they aren't to wide because they already stick out a good bit.

Also i have a lift so im guessing bigger lift in the future i will need a slip yoke eliminator and a extended cv drive shaft?
Ref your Dana 30: I've had mine over 10 years and recently anded a lock-rite auto-locker and change the axle shafts over to the larger u-joint (spicer 760's) I kept my vacuum intermediate shaft and integrated another vacuum switch to allow for easier sharp turns on the trail. Very easy mod(s) do it yourself. See my write up 4wd to 2wd.
Ref your Dana 35, if your not going to lock rear end, (wouldn't if it's a daily driver) and not going bigger than 33's for tires I'd keep it as is and change your drums over to discs. I did mine for under 150. Love em! Big difference over drums and very easy to do yourself. I'm working on the writeup for it. The donor vehicle was a grand Cherokee and a passenger side ebrake cable off of a ford explorer. I highly recommend disc brakes!

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