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Unread 04-21-2004, 06:13 AM   #1
dcuballa
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Chrysler 8.25 over d44

Ok, ive got a 96 xj with a stock d35 in the rear. Ive got two outlets out of this right onw. One is a chrysler 8.25 my friend has in a parts xj that he will give me for $50(he got the whole jeep for 100). The other outlet is my brother has a dana 44 which he will give me for $300. Is the dana 44 that much better or would the 8.25 be a better choice for me right now. Im just wanting to get away from the problematic d35. Any input would be great.

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Unread 04-21-2004, 10:23 AM   #2
MSHarnett
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For the price the 8.25 is pretty good but for the strength the 44 is better. I guess it depends how big of a tire your planning to run. The 8.25 29 spline is a pretty damn strong axle and can almost compare to a 44. A dana 44 is not a c-clip, so break axle shafts isn't as of a problem as it is when you break a c-clip shaft.

I'd say, if your going 33's and up with a locked rear, get the 44. If your under 33s locked or open, get the 8.25. You could always resell it to someone else and make some money

Things to remember, make sure the gearing is the same, if not you'll have to buy new gears. Also, is the 8.25 a 29 spline or a 27 spline. The 29 is stronger.
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Unread 04-21-2004, 11:41 AM   #3
dzp
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What year is the 8.25 out of? Before 1997, they were made with 27 splines and 1.17" axles, where the D25 is 27 spline and 1.18" shafts. Starting in 97 they were put right in the middle between the D35 and the D44.


Check this out: everything you need to know about stock xj's
http://www.jeepforum.com/forum/f11/cherokee-stock-specs-26256/

If you can get a D44 for $300. DO IT You will have a better axle. If it is out of a TJ, then it is worth from $900-$1200.
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Last edited by dzp; 04-21-2004 at 11:46 AM..
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Unread 04-21-2004, 01:51 PM   #4
MSHarnett
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Quote:
Originally Posted by dzp
What year is the 8.25 out of? Before 1997, they were made with 27 splines and 1.17" axles, where the D25 is 27 spline and 1.18" shafts. Starting in 97 they were put right in the middle between the D35 and the D44.
Yeah the 27 spline isn't worth a swap, but the 29 spline is depending on your need. Like dzp said though, if you can get a 44 for 300, just do it. I was just saying it may be over kill and you could sell it to me, hehe

EDIT: hey dzp, why are TJ 44s worth that much? I know they are for coils, 4:10 gearing. How bout disc brakes?
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Last edited by MSHarnett; 04-21-2004 at 01:53 PM..
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Unread 04-21-2004, 03:46 PM   #5
dcuballa
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The chrylser 8.25 is out of a 97-up. It is the newer body style, just dont know the year. The dana 44 was out of a older cherokee that my brother converted and rebuilt for his 99 tj. So I would have to reconvery back to leaf springs.
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Unread 04-23-2004, 10:29 AM   #6
dzp
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Mostly because they are newer and do not require all of the bracketry to be welded on. I personally went with and 8.8 which is slightly stronger than the d44 and comes with disc brakes. Most D44's do not have disc brakes untill the new Rubicons. Also most D44's out of TJ's do not have 4.10 gears. I dont even think that they offer a D44 option behind the 2.5L which is the reason for the stock 4.10 gears prior to the Rubi's


You should be fine with the 8.25 if you are aware of it. Put some superior shafts in it and you will be ok to lock it with 33's. or maybe 35's kept open.

What would be best would be to convert your Jeep to rear coils!!! Putting leaf spring pads on it is much easier than all of the brackets for coils.

What gears, ect are in either axle. You will be better off with one that is the same as yours...
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Unread 04-23-2004, 11:27 AM   #7
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slight highjack,

Could you run 33's if you had an 8.25 in the rear and a d30 up front on stock gears?

Just a temporary thing until i can afford an 8.8
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Unread 04-23-2004, 01:59 PM   #8
MSHarnett
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Quote:
Originally Posted by fourlow
slight highjack,

Could you run 33's if you had an 8.25 in the rear and a d30 up front on stock gears?

Just a temporary thing until i can afford an 8.8
Which 8.25 do you have. As pionted out ealier the 29 spline is stronger than the 27 spline. The 29 spline can handle 33s on an opne diff with no problem. With a locked diff, it changes things and may be a bit to weak. LOCKED UP was running 33s on his 29 spline 8.25 but later switched to alloy shafts for peice of mind.

The front axle will be fine, I've seen a 30 take a 37" tire and lockers with no problem. Then again I've seen 35s on an 8.25, but IMO thats a bit much.

As for your gearing with 33s, it is ok, but your gonna loose alot of torque and have trouble keeping up to speed on the highway. If you have an auto you'll be ok, but with a manual its going to be a bit more challenging, but again, you can do it.
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Unread 04-23-2004, 02:09 PM   #9
fourlow
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Well according to the stock Cherokee spec page... This what i should have in my 94Xj. Im not sure if it's limited slip or not. I still need to check.

"Chrysler 8.25 - 27 spline, 1.17" diameter shafts, 8.25" ring gear, 3" axle tube - used 91-96"

Last edited by fourlow; 04-23-2004 at 02:28 PM..
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Unread 04-23-2004, 02:26 PM   #10
MSHarnett
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You shold put your specs in your signature so we know what you have and we can tell you whats best for you. I would only put 33s on a 27 spline if the diff is open. I would take it wasy to, but if you have a locker, no way.
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Unread 04-23-2004, 02:37 PM   #11
dzp
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I second that. The smaller 8.25 is as bad or possibly worse than the D35.
An 8.8 for you would be pretty cheap. Cheaper by far than a set of 33's.....
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Unread 04-23-2004, 02:49 PM   #12
fourlow
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Well maybe cheap to buy, but im mechanically retarded. I can do basic auto maintenance and thats about it. Im learning alot though thanks to the Haynes manual.

But more then likely im going to have to pay someone to put in the new rear end.
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Unread 04-28-2004, 09:20 AM   #13
dzp
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You've got leaf springs right? That makes it almost drop in. All you would have to do (or have done) is to remove the old perches and put on the new ones at the correct angle. Easy. I would bet that whoever you had do your gear change could do it for next to nothing.
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Unread 04-30-2004, 09:31 PM   #14
fourlow
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Quote:
Originally Posted by dzp
You've got leaf springs right? That makes it almost drop in. All you would have to do (or have done) is to remove the old perches and put on the new ones at the correct angle. Easy. I would bet that whoever you had do your gear change could do it for next to nothing.
I'll have to check into that.


Still waiting for my tax return...
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Current setup:
94 Xj 110,000 miles
Rustys Air Tube
JeepersandCreepers Bored out TB
GDI 3 core radiator
Flowkooler Water Pump

Suspension:
RE 3.5" (actual about 4 inches) 6030 SUPER-FLEX, RE1600 Adjustable Track Bar

Wheels/Tires:
Rock Crawler 152 Series, 3.75 Backspacing
31inch BFG MT's
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