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stay stock or move on to bigger Diff's Options · View
whttaco
Posted: Sunday, December 13, 2009 11:52:10 PM

Rank: Woods Warrior!
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Joined: 8/18/2009
Posts: 151
Location: Pittsburgh
I was at the Salvage yard today(always looking to see if I can find anything useful) and noticed they had smashing equipment brought in to clear back yard. 2 comanche's gone, one i wanted to check the gearing, was v6 auto. too late now.. so I asked owner how many he smashing? until tax money is covered.. lol, so If I want anything on the back yard I need to take it off now to save for me when I get $$ to pay. I planned on upgrading diff's and axles in the future.. D44 front and 8.8 rear. so, I went looking at every truck back there. found a wagoneer with 44's front and back. but front one is pass side(I need drv side) found 3 8.8's 1 with disks, 2 with drums, found about 5 d30's, 2 disconect type, I have non disco, and 5 d35's.
I can get any diff for 100$ So, before I start to tear rearends outta vehicles I need to know which way to go.

1) upgrade rear and front hopeing they will be strong enough and not break.
2) stick with stock because there are plenty cheap replacement parts

I like the 33's and dont think I will be going bigger any time soon. maybe different style but sticking to 33's. I do want lockers in future. will I need to upgrade then or just keep spare axles and joints? which is cheaper in the long run?
I am too new at wheeling to even pretend to know whats going to break more. thanks for any helpful info.

89 XJ :
4.5 Rusty's front springs, bastard rear springs, rusty's shocks, WJ booster upgrade, custom Q-disco's , custom Trac-Bar, stock otherwise
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
03 Toyota Tacoma :
Sliders, skids, E-Locker, and custom dents
Trytan74
Posted: Monday, December 14, 2009 1:10:22 AM

Rank: Trail Master!
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Location: East Liverpool
Yo dude where this Junk yard at or do they have any Jeeps in there. If so can you ask the guy how much for some extra D30 shafts and some driveshafts I need to start collecting extra parts for trail fixing.
Admin
Posted: Monday, December 14, 2009 1:26:15 AM

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Location: Steubenville, OH
It costs $2,000-3,000 to put different axles under a Cherokee.

Just get an 8.8 from a late 90s Explorer and replace the Dana 35.
whttaco
Posted: Friday, December 18, 2009 4:19:41 AM

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Location: Pittsburgh
ok, back to this topic....
I keep reading that the 8.25 is a direct replacement for xj. where as the 8.8 is narrower and some people have problems with DS alignement issues.
Is the 8.25 not worthe it to upgrade even tho its a direct fit?

89 XJ :
4.5 Rusty's front springs, bastard rear springs, rusty's shocks, WJ booster upgrade, custom Q-disco's , custom Trac-Bar, stock otherwise
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
03 Toyota Tacoma :
Sliders, skids, E-Locker, and custom dents
Cheeks
Posted: Friday, December 18, 2009 4:23:08 AM

Rank: Woods Warrior!
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Joined: 10/1/2009
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Location: Pittsburgh, PA
if you want something thats pretty straight forward, in my opinion, forget the 8.25. Look at a d44 from an xj, although a little hard to find, its defintely your best bet. Its what I have in my xj now, if you want some pics, I can grab some for you.
whttaco
Posted: Friday, December 18, 2009 11:10:46 AM

Rank: Woods Warrior!
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Joined: 8/18/2009
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Location: Pittsburgh
I will head to the Junk Yard this weekend and get some numbers off of the 8.8 out of newer explorer and an old waggy D44. then I wil have to decide what will need gearing , carraige , perches and shock mounts. see which one is cheaper upgrade. If the D44 is same gearing its a no brainer.
I already have the booster upgrade, so the disc brakes will work.
anything else I should look for?

89 XJ :
4.5 Rusty's front springs, bastard rear springs, rusty's shocks, WJ booster upgrade, custom Q-disco's , custom Trac-Bar, stock otherwise
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
03 Toyota Tacoma :
Sliders, skids, E-Locker, and custom dents
Cheeks
Posted: Friday, December 18, 2009 11:19:53 AM

Rank: Woods Warrior!
Groups: Member

Joined: 10/1/2009
Posts: 149
Location: Pittsburgh, PA
whttaco wrote:
I will head to the Junk Yard this weekend and get some numbers off of the 8.8 out of newer explorer and an old waggy D44. then I wil have to decide what will need gearing , carraige , perches and shock mounts. see which one is cheaper upgrade. If the D44 is same gearing its a no brainer.
I already have the booster upgrade, so the disc brakes will work.
anything else I should look for?


the waggy 44 is going to be to wide, IIRC which is possible I don't the width is considerably wider than the xj d44. If you're doing waggy axles you need both front and rear.

**EDIT**

oh and stay away from the ranger 8.8's, they were only 29 spline and not much better than your average d35. You specifically need a late model explorer rear, doesn't necessarily need disc brakes because you can convert it but disc brakes are a tell tale sign that you're getting the right axle
badabing
Posted: Friday, December 18, 2009 12:02:31 PM

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Location: steubenville,ohio
also the waggy 44's are a 6 lug bolt pattern

91 Jeep yj
78 Jeep CJ7..in progress
05 Suzuki Vinson 500


BILLG
Posted: Friday, December 18, 2009 12:11:04 PM

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Location: Norwich,Oh
A D35 is not Even close to a 29 spline 8.8.The 31 spline 8.8 is the most desireable.But the 29 spline is still much much better than D35.Where are you getting your info?
whttaco
Posted: Friday, December 18, 2009 5:25:50 PM

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Joined: 8/18/2009
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Location: Pittsburgh
I have a D35 now. I want to get it out before it explodes. which i hear they do often if rock crawling. every Forum I read for info has someone popping in with "get the 8.25, 30min instal" and they also state it will handle 33's better than D35. I want an easy instal, but since the JY i deal with doesnt have any at the moment I guess I will go with the explorer 8.8. it has disc already on it. and I guess I can get the Kit to instal for 200.
http://www.mountainoffroad.com/Catalog/Mounting%20Hardware-Axle/ford-8.8-install-kit.html
I have been reading everything I can on this subject.. and every forum has an argument on this subject. but the majority is the 8.8.
I was just looking for an easier way out since I work on my jeep on gravel driveway. winters and rain suck for car repairs.
Bill, I'm a newb trying to suck up as much info as possible.. If you have any links that you can post, please do.. I need more INFO.


89 XJ :
4.5 Rusty's front springs, bastard rear springs, rusty's shocks, WJ booster upgrade, custom Q-disco's , custom Trac-Bar, stock otherwise
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
03 Toyota Tacoma :
Sliders, skids, E-Locker, and custom dents
Cheeks
Posted: Friday, December 18, 2009 6:26:25 PM

Rank: Woods Warrior!
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Joined: 10/1/2009
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Location: Pittsburgh, PA
BILLG wrote:
A D35 is not Even close to a 29 spline 8.8.The 31 spline 8.8 is the most desireable.But the 29 spline is still much much better than D35.Where are you getting your info?


I'm not a fan of the 29 spline 8.8's as I've blown a few of them up. granted these were in my race cars but it didn't take much to kill them

and all the abuse my d35's have taken in the past, I should be put in jail for. I'm no expert by any means but I know I don't like those 29 splines
BILLG
Posted: Friday, December 18, 2009 8:04:21 PM

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Location: Norwich,Oh
The 8.25 is a good bit stronger than a d35 and is a direct bolt in.The 8.8 is a good deal stronger than either but with the 8.8 unless you run 35s you are going to lose some ground clearence.Also the 8.8 will require more work to install.It all boils down to how much work you want to do.Also the 8.8 will probably need regeared.
BillaksBlazer
Posted: Saturday, December 19, 2009 6:09:38 AM
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Location: Cleveland Ohio
i am running the explorer 8.8 in my blazer. the offset is minimal. i have not had a problem with my driveshaft at all. Bill is right. i do drag the diff more than i would like, but with wheel placement its not a huge problem. If your going to use the flange on the explorer8.8 make sure you get the adapter off the driveshaft. I have also heard that the 8.8 in the crownvics had a standard yolk that can be used, but not im not sure because i never used one. For the install all you really need is new spring perches wich are around 25 bux and new ubolts. You can use the stock spring plate from the explorer. Only thing im not sure on the cherokee is the brakes.



The waggy 44 comes in two versions. the wide track with a wms to wms of 67'' which is fullwidth and also the standard one which is 64" wms to wms.
whttaco
Posted: Saturday, December 19, 2009 3:58:18 PM

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Joined: 8/18/2009
Posts: 151
Location: Pittsburgh
ok, just got back from yard. still need to get under 2 explorers.
But what i was able to look at:
1) 2000 explorer sport, 8.8 open 3.73 (off of ident tag) disc brakes
2) year unknown, wagoneer, D44, too old to get any numbers off of. measures 53 3/4 inches(roughly) from inside drum to drum. thats only 3/4 inch bigger than what I meaured mine. did the earlier model wagon's come with narrow rear?
So, looks like today was nonproductive. d'oh!
I am going to start calling other junk yards next week. I just like dealing with this yard because they give me great deals.
I guess I will look for D44 , then if I cant find one I will hunt for 8.8 ls.
I read that D44 come on 87 to 90 cherokee's with tow packages. any other years or vehicles to ask for?


89 XJ :
4.5 Rusty's front springs, bastard rear springs, rusty's shocks, WJ booster upgrade, custom Q-disco's , custom Trac-Bar, stock otherwise
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
03 Toyota Tacoma :
Sliders, skids, E-Locker, and custom dents
dead_man_working
Posted: Saturday, December 19, 2009 9:13:23 PM

Rank: Woods Warrior!
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Joined: 3/25/2008
Posts: 110
Location: steubenville
me and mike went up the u pull it about a month ago they had at least 25 second gen explorers (disk brake 8.8) didnt get to ask how much. a few we're missing the axle tags but the is an axle code on the sticker in the door.
43 Open 3200 3.08
41 Open 3200 3.27
42 Open 4.10
46 Open 3.73
45 Open 3200 3.55
D4 Limited Slip 3200 3.73
D2 Limited Slip 4.10
L73 Limited Slip 3.73

YOU PULL IT - (West Alexander, PA):
Located approx. 15 miles EAST of Wheeling just off 70 near the WV-PA border.
Phone: (724) 484-2020

Listen, you fuckers, you screwheads. Here is a man who would not take it anymore. A man who stood up against the scum, the cunts, the dogs, the filth, the shit. Here is a man who stood up.
Admin
Posted: Sunday, December 20, 2009 3:03:35 AM

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Location: Steubenville, OH
Axles at U Pull it are $75 I believe.

Your new axle gotta be same width & same bolt pattern,
and most importantly.. Same gears as your front.

It's simple.. Just buy one of these
with gears that match your front:
Ford 8.8 or
XJ Dana 44


No Waggy axle will work, because it's wider and 6 lug.
mvusse
Posted: Sunday, December 20, 2009 2:13:30 PM
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Joined: 9/12/2009
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Location: Strasburg, OH
Full size Waggy axles quite often have awful gearing. Like 2.72...

If you run a Ford 8.8, you might want to get 1 (one) 1.5" wheel spacer, to bring the axle to stock XJ length, or at least close to it, and center the diff. IIRC you want one from a 95 or newer Explorer for the better shafts, and bonus disc brakes. When going disc brake rear you also need to pull the proportioning valve, or one off a rear disc Grand Cherokee. May need some adapters to make either work, but disc brakes need more pressure than drums. I believe you will also need to move the spring perches.

For the direct bolt ins from various year XJs:

D35 is junk.
27 spline 8.25" is just as junk.
29 spline 8.25" is not as good as a D44, but more than good enough for 33s
D44 is the holy grail. If you can find one for a good price, get it!

Grand Cherokee disc brakes should be a straight bolt on for the 35 and 44, and only need the center hole opened up a bit (from 2.75" to 3", or 1/8" the whole way around) to fit on an 8.25". Bolt holes line up perfectly. Again, if moving to disc you need a proportioning valve off a vehicle with rear discs.

Don't know what engine/transmission you run, but all of these are often to be found with 4.10 gears.

Isuzu Rodeo also came with a D44 rear, but 6 lug axles.
BILLG
Posted: Sunday, December 20, 2009 3:27:19 PM

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You don't need to change the proportioning valve.A d35 will work fine with up to 35s IF you install a s35 kit.There is no need for either spacers for the wheels nor do you need to center the diff.A d44 is weaker than a 8.8 and really no better than a d35 with The Super 35 kit.If your current d35 has the gearing you want put a Super 35 in a wheel the snot out of it.Here is some pretty good info.
http://www.jeepforum.com/forum/f9/8-8-swap-questions-929416/
http://www.jeepforum.com/forum/f126/xj-rear-dana-44-3-07s-928515/
Admin
Posted: Sunday, December 20, 2009 7:38:22 PM

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Location: Steubenville, OH
You don't need expensive spacers with an 8.8, you can run 1/4" plate spacers that cost $15
and it'll be fine.

If you can find an 8.8 with gears that match your front,
you need to buy:
- new brakes $125
- a flage yoke adapter $50
- weld on anti wrap spring perches $30
- .25" plate spacers $15

Have somebody weld the spider gears & you're all set.
Done.

A Super 35 kit costs like $800,
it's a huge waste of money when you can get
an 8.8 from U Pull It for $75.
BILLG
Posted: Sunday, December 20, 2009 10:48:02 PM

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Marc in the end the Super 35 may be cheaper.There are many many guys running Johnson Valley in CA which is generally classed as one of the most difficult trails in the U.S. with Super 35s running 35 and 37 inch tires with little to no breakage.I run a 8.8 because a good friend found me one for cheap and done all the fab work for free.If it hadn't been for that I would have had a Super 35 in mine.If you can find a 8.8 geared like you want you are good to go,but if you want anything lower than 4.10s you will have to regear the 8.8 because they only went as low as 4.10 from the factory.
Bronc III
Posted: Monday, December 21, 2009 1:39:56 AM
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Location: WELLSVILLE IS THE SHIT
GO 60'S OR GO HOME :)



Admin wrote:
Booger welds & bed rails.
Admin
Posted: Monday, December 21, 2009 10:15:01 PM

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Location: Steubenville, OH
The Dana 35 has many weak links, the gears, the shafts & the tubes... Actually the tubes
becoming tweaked is very common. A Super 35 kit is simply an Expensive Band Aid. Your polishing
a turd... Polish all you want, but it's still the worst axle ever & you'll never get your money back out of it.
A bracketed XJ 8.8 is worth $600. A Dana 35 is worth $100.

Bill, Ive seen many Disc break 8.8s with 3.54s, 3.73s & 4.10s. Actually, most people
have a hard time finding 4.10s. They come with 3.73s most often it seems like.

To me, it's a no brainer. Fab work because you have a TJ.
An XJ requires NO fabwork at all... Just 2 $30 Spring perches & four $3 shock tabs...
And the flange yoke adapter of course, and NO driveshaft mods are
needed either.

Pat, 100% best bet is to go to You Pull It, it's just off Interstate 70
about 10-12 miles East of Wheeling, WV.
Axles are $75.

Bring tools, pull the diff cover, count the teeth, find an Explorer with
an 8.8 that matches your Front axle.. they'll cut it out for you.
Haul it home.. Clean it up, put it in.
Admin
Posted: Monday, December 21, 2009 10:18:21 PM

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Bronc III wrote:
GO 60'S OR GO HOME :)


Stock rear 60s blow... Unless you spend $800 to make them 35 spline.
$150 ready to go for a FF 14 baby, that's a no brainer too!
BILLG
Posted: Monday, December 21, 2009 10:53:27 PM

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Location: Norwich,Oh
I am going for DD60s.,:d/ :d/
whttaco
Posted: Thursday, January 21, 2010 10:21:39 PM

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Joined: 8/18/2009
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Location: Pittsburgh
ok, here I am again. I have found a D44 (wrong gearing) for 200$. If I get this it will cost me about 1000 to get it in my jeep. If I have to buy gears to match mine, I am going up front and back to 4:56's, will need new carriers, then will have to pay shop to intall since I have never done one. and of course if your going to regear you have to(should) rebuild (bearings and seals) it. and Hope I dont break any axles because they hard to get (used)
BUT
I have noticed that there are a LOT of 8.25 out there for cheap. and I can get one with same gearing I have now so it will be a bolt on and go deal.
so, should I just get the 8.25 knowing that I will have easier time getting replacement parts. and save the $$$ for bling bling?
seriously, I want to get tubing to make sliders and tc skid and purchase a front bumper. will be able to if I get the 8.25.
my 35 is starting to whine loud enough that I cant hear radio at cruising speeds....

89 XJ :
4.5 Rusty's front springs, bastard rear springs, rusty's shocks, WJ booster upgrade, custom Q-disco's , custom Trac-Bar, stock otherwise
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
03 Toyota Tacoma :
Sliders, skids, E-Locker, and custom dents
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