The Mud Pit > Wrenching

8.25 Swap

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BlacXJeep:
Picking up an 8.25 rear end with 100k on it, to swap out my Dana 35 tomorrow for $70. Who wants to help do the transplant soon?

calvynandhobbs:
Let me know when. Have you picked up new ubolts yet? They are a different size since the tubes for the 8.25 are much larger so you'll have to change those out. Does the 8.25 have the distribution block for the brake lines still in the axle? On the 8.25 the brake line distribution block has a hole up the center and also serves as the vent tube attachment. On the D35 the vent line is separate and the distribution block screw is much smaller so they are not interchangeable. While you're at it you may want to look at your spring plates. Some have oblonged holes to match either axle, but I've seen others that don't. One of mine was cracked so I replaced those at the same time also.

BlacXJeep:
here it is
http://worcester.craigslist.org/pts/1372200736.html

the guy runs 37s on his cherokee with a 10 inch lift, hes a mud bogger type. He seemed pretty knowledgeable and yacked my ear off for about 20 minutes. haha. Anyways he says the brake lines are still on it and something about backing plates i think, and how they are interchangeable from the D35? Its got 3:55 gears, so I'm going to leave the insides alone untill I'm ready to go to 4.10s front and rear and lock it. I'll be picking up some U bolts for the 8.25 axle. My only question for now is with stock leafs and the AAL do I just buy stock ubolts, or do they need to be longer?

gearhead1985B:
let me know when you want to do this i work on the 17 th the saturday we could knock everything out and it would give me something to do

calvynandhobbs:
If the brake lines are still on it you should be fine. Mine had the lines on it, but the distribution block was missing in between since he used it on something else. If he'll give you the spring plates for the ubolts that would be good since your current plates may not be wide enough to accept the wider ubolts. My 33s on 3.55 gears was bad on the road. I can't imagine how bad his was on 37s.

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