is the 8.8 swap really that hard ? - Page 2 - JeepForum.com
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post #16 of 94 Old 12-13-2013, 08:15 AM Thread Starter
cody413
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Thanks for all the replies. I'm gonna start looming. I just need to find the right explorer with the 4:10 gears. Which one has them ?

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post #17 of 94 Old 12-13-2013, 08:28 AM
Jeepsr4me
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I copied this for the link above. But in the driver door seal area will be a sticker. It will have the axle code on it. 99.99999999999999999999999999999999999999999999999 99999999999999999999999999999999999% of time it is right. I did find one that was wrong, But tag was still on and said different. So you have to find a 42 or D2. Open or LS are about the same.
If you want a lunch box locker get the OPEN diff. If you want a useless LS then get the D2..
Axle Codes

L - Limited Slip Differential
C - Conventional Differential

Code ... Ratio
41 ...... 3.27C
42 ...... 4.10C
43 ...... 3.08C
45 ...... 3.55C
46 ...... 3.73C
D1 ...... 3.27L
D2 ...... 4.10L
D4 ...... 3.73L
D5 ...... 3.55L

Just a example of the sticker.

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post #18 of 94 Old 12-13-2013, 08:37 AM Thread Starter
cody413
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Awesome thanks. Going to the upull this week. I just had a new lift and Ubolts on. Do I still need to get new ones ? And with the brackets. Where do I get new ones or are the old one just fine
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post #19 of 94 Old 12-13-2013, 08:44 AM
Anticanman
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Do you think that 0.01% (rounded up) was an instance where an accident may have rendered the original axle useless and they replaced it with a junkyard axle?

Luck Favours The Prepared
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post #20 of 94 Old 12-13-2013, 09:16 AM
Jeepsr4me
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Originally Posted by Anticanman View Post
Do you think that 0.01% (rounded up) was an instance where an accident may have rendered the original axle useless and they replaced it with a junkyard axle?
Nope, Typo from factory....................

hehehe maybe anything is possible if you just believe hard enough...
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post #21 of 94 Old 12-13-2013, 11:33 AM
Mambo_Dave
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Quote:
Originally Posted by Anticanman View Post
I didn't realize that Ranger 8.8's were compatible with the YJ's. I thought we were only supposed to look for Explorer ones.
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post #22 of 94 Old 12-13-2013, 11:50 AM
jbolty
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Generally Rangers and explorer sport trak are not the 31 spline version

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post #23 of 94 Old 12-13-2013, 11:52 AM
SeanB95YJ
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Quote:
Originally Posted by Mambo_Dave View Post
I didn't realize that Ranger 8.8's were compatible with the YJ's. I thought we were only supposed to look for Explorer ones.
Ranger ones will work... but they're drum brake, while the 95-01 explorers came with rear disc

also, the explorer versions are thicker shafts (31 spline) vs the ranger (27 spline I think?)

that said, a ranger 8.8 I think is STILL better than the stock Turdy-5 on YJs.

Sean B. - Schenectady, NY - 95 YJ, 350/700r4/NP241, JB Shorty SYE, 8.8 rear, 2" BDS, 1" homebrew shackles, Daystar 1" BL, TJ flares, 35x12.50 General Grabber AT2 on 15x10 Bart D-Truckers, Polyshield polycarbonate windshield, HD over/under crossover steering
swap/build thread: http://www.jeepforum.com/forum/f22/a...hread-1542284/
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post #24 of 94 Old 12-13-2013, 12:07 PM
Mambo_Dave
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Jbolty, you just clarified something for me - I was always wondering why people focused so much on splines, not realizing that the axle shafts were, indeed, larger (instead of just having more splines on the regular shaft). I'll limit my search to Exploders then.
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post #25 of 94 Old 12-13-2013, 12:35 PM
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rangers are narrower. great link below and picture credited to it.


http://www.therangerstation.com/tech...plorer8_8.html
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Attached Thumbnails
axle 8.8.JPG  
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post #26 of 94 Old 12-13-2013, 12:44 PM
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Quote:
Originally Posted by cody413 View Post
Awesome thanks. Going to the upull this week. I just had a new lift and Ubolts on. Do I still need to get new ones ? And with the brackets. Where do I get new ones or are the old one just fine
Don't reuse ubolts.
You can get almost everything you need for the swap HERE.

And this has become my favorite, and most complete write up on the 8.8 swap.
http://www.jeepforum.com/forum/f12/y...xtras-1565339/ I wish he would have had that thread up before I did mine!

Keep searching and reading here on JF. All the info you need is here.

Cheers

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post #27 of 94 Old 12-13-2013, 01:30 PM
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Those U bolts from your new old lift will not go around the tube of the 8.8, well at least the ones I tried did not. That is why I use the 8.8 U bolts.
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post #28 of 94 Old 12-13-2013, 01:39 PM
jbolty
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U bolts are designed to be a one time use item.

Here's some info from my stack of stuff.


Quote:
Axle shaft Strength and output torque rating by Warn and 4 Wheeler

The axle shaft strength tested by Warn Ind:
F8.8= 6,500 (lb. ft.)
D44= 4,600-5,000 (lb. ft.)
D35C= 4,000-4,300 (lb. ft.)


COT: Continuous output torque rating
MOT: Maximum output torque rating

(Numbers from January edition of Fourwheeler, page 60.)
Dana 35 rear axle COT: 870 MOT: 3480
Dana 44 rear axle COT: 1100 MOT: 4460
Ford 8.8 28spline COT: 1250 MOT: 4600
Ford 8.8 31spline COT: 1360 MOT: 5100
Dana60 semi float COT: 1500 MOT: 5500]
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.
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post #29 of 94 Old 12-13-2013, 02:01 PM
c5wagner
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Quote:
Originally Posted by Jeepsr4me View Post
I copied this for the link above. But in the driver door seal area will be a sticker. It will have the axle code on it. 99.99999999999999999999999999999999999999999999999 99999999999999999999999999999999999% of time it is right. I did find one that was wrong, But tag was still on and said different. So you have to find a 42 or D2. Open or LS are about the same.
If you want a lunch box locker get the OPEN diff. If you want a useless LS then get the D2..
Axle Codes

L - Limited Slip Differential
C - Conventional Differential

Code ... Ratio
41 ...... 3.27C
42 ...... 4.10C
43 ...... 3.08C
45 ...... 3.55C
46 ...... 3.73C
D1 ...... 3.27L
D2 ...... 4.10L
D4 ...... 3.73L
D5 ...... 3.55L

Just a example of the sticker.
The lsd's are useless and have integrity issues, Here's mine after having an 8.8 in for 2 weeks

1989 Base YJ,4.2l,DIY GM TBI,AX15,Np231 SYE/6 pin planetary/Wide chain, D30 ARB, 8.8 ARB 4.56
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post #30 of 94 Old 12-13-2013, 02:14 PM
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Originally Posted by c5wagner View Post
The lsd's are useless and have integrity issues, Here's mine after having an 8.8 in for 2 weeks
I beat the piss out of mine with stiffer clutch pack and no issues...

LUCY...2005 Unlimited "LJ" Rubicon Sahara #495 Build thread. http://www.jeepforum.com/forum/f9/my...hread-2778642/

BETTY...94 SE, Stroker 4.6, 4.5,lift,35"s,D30 Aussie, 8.8. Sold
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