what's the best diff.i can get..

bajarunner · 07-02-2009, 12:34 AM

i put a danna 44 on the back on my jeep cherokee 1989
from a 1988 jeep stick shift
the number are not the same.

so i have to order the ring and pinion for both
mi question it's since i have to regear the diffs.i would like to get a beter diff.for the front
wish it would the best diff. i can get from a junk yard(direct bolt on)if exsist

i got the stock one
i have a 4 inch lift kit..running 31x10.50r15 and i like the way it looks...

also..if you know wish is the best gear ratiofor the set up i have
all on the jeep it's stock...motor/tranny/intake everything

nw-xj-scott · 07-02-2009, 12:38 AM

the next step from the dana 30, would be a waggy d44 front. that will take a good amount of work, and is by no-means a "Bolt in" swap. plenty of welding etc...

the dana 30 is plenty strong to run 31"s, and with a little upgrading, its plenty strong to run 33's (297x Joint shafts)

and with alloy shafts and 760x joints, the dana 30 is plenty strong to run 35"s.. of course.. thats with re-gearing, etc..

re-gear the dana 44 and 30, and your set. the weakest link in a cherokee is the dana 35, and you got rid of it!

bajarunner · 07-02-2009, 12:46 AM

so i have a danna 30 right now on the front?????
how you can tell.........
thank you man for all de help

98x2xj · 07-02-2009, 02:14 AM

A high pinion 30 is slightly stronger, as well giving better front driveshaft angle.
Newer non disconnect 30 is desireable, 297 joints as well.

4.10 gears= slightly higher highway RPM.

98x2xj · 07-02-2009, 02:16 AM

4.10 for auto!

nw-xj-scott · 07-02-2009, 02:43 AM

Quote:

Originally Posted by bajarunner

so i have a danna 30 right now on the front?????
how you can tell.........
thank you man for all de help

all 87-99 4x4 XJ's had a High pinion Dana 30. all 00-01 4x4 XJ's had a Low pinion Dana 30.

High pinion is better.

stock gearing ranges.... all automatic 4.0litre Cherokees had 3.55 gears. and the manual 2.5 4cyl had 4.10 gears. the 4.10 gears are a decent improvement for the automatics.

jd4x426 · 07-02-2009, 05:40 AM

4.0 manual cherokees didnt have 4.10s they had 3.07 the 4 cylinders had a higher gear not poistive on what it maybe 4.10 but dont quote me on that i would stick with the dana 30 and get a set of 4.10 gears dont cheap out on your gears either they are very important ive always had good luck with yukon gears they are easier to set up then some of the cheaper gears to because they are built with tighter tolerances they arent the best but a good settlinging point if youve never set up gears before i dont recomend you do it by yourself get someone whos done it before to show you how or take it to a good shop

nw-xj-scott · 07-02-2009, 12:18 PM

Quote:

Originally Posted by jd4x426

4.0 manual cherokees didnt have 4.10s they had 3.07

Correct. thank you

93XJLI · 07-03-2009, 03:54 PM

a 30/44 combo, even without upgraded shafts or anything else for that matter, is plenty stout for 31s. I'm running 260x u-joints in my 30 on 33s and have never broken one, I just have to replace them once a year.. gotta get new shafts eventually.

07-02-2009, 12:34 AM	#1
bajarunner Newbie Join Date: May 2009 Posts: 26 My Photos 1989 Cherokee Year: 1989 Model: Cherokee Engine: 4.0 Transmission: ? Transfer Case: ? Front Axle: dana 35 Rear Axle: dana 44 Tires: 31x10.50 Lift Specifications: 4	what's the best diff.i can get.. i put a danna 44 on the back on my jeep cherokee 1989 from a 1988 jeep stick shift the number are not the same. so i have to order the ring and pinion for both mi question it's since i have to regear the diffs.i would like to get a beter diff.for the front wish it would the best diff. i can get from a junk yard(direct bolt on)if exsist i got the stock one i have a 4 inch lift kit..running 31x10.50r15 and i like the way it looks... also..if you know wish is the best gear ratiofor the set up i have all on the jeep it's stock...motor/tranny/intake everything

07-02-2009, 12:38 AM	#2
nw-xj-scott Seasoned Member Join Date: Mar 2009 Location: NW Oregon Posts: 492 My Photos 89 Cherokee Year: 89 Model: Cherokee Engine: 4.0 Transmission: aw4 Transfer Case: 242 Front Axle: 30 Rear Axle: 44 Tires: 33x14 boggers Lift Specifications: 5" Misc Accessories: a few	the next step from the dana 30, would be a waggy d44 front. that will take a good amount of work, and is by no-means a "Bolt in" swap. plenty of welding etc... the dana 30 is plenty strong to run 31"s, and with a little upgrading, its plenty strong to run 33's (297x Joint shafts) and with alloy shafts and 760x joints, the dana 30 is plenty strong to run 35"s.. of course.. thats with re-gearing, etc.. re-gear the dana 44 and 30, and your set. the weakest link in a cherokee is the dana 35, and you got rid of it! __________________ 1989 OD XJ 5" lift Spooled 44 33x14 Boggers 1998 PS 5.9 ZJ 3" lift 31x10.5 M/T I was Informed this Hobby will nickle and dime you... I spent my last quarter and the next repair requires a 2nd mortgage..

07-02-2009, 05:40 AM	#7
jd4x426 Senior Member Join Date: Jan 2009 Posts: 920 My Photos 1996 Cherokee Year: 1996 Model: Cherokee Engine: 4.0 Transmission: ax-15 Transfer Case: NP-231 Front Axle: d-30 Rear Axle: chrysler 8.25 Tires: 31x10.5x15 Lift Specifications: 3" RC series 2 Misc Accessories: homade intake and homemade discos	4.0 manual cherokees didnt have 4.10s they had 3.07 the 4 cylinders had a higher gear not poistive on what it maybe 4.10 but dont quote me on that i would stick with the dana 30 and get a set of 4.10 gears dont cheap out on your gears either they are very important ive always had good luck with yukon gears they are easier to set up then some of the cheaper gears to because they are built with tighter tolerances they arent the best but a good settlinging point if youve never set up gears before i dont recomend you do it by yourself get someone whos done it before to show you how or take it to a good shop __________________ BUILD EM DONT BUY EM

07-03-2009, 03:54 PM	#9
93XJLI CF Veteran Join Date: Jan 2008 Posts: 1,252 My Photos 1993 Cherokee Year: 1993 Model: Cherokee Engine: 4.0: 63mm TB, 99+ Intake Manifold, APN Header, Hi-Flow Cat, Dynomax Muffler Transmission: AW4 w/ Aux Cooler Transfer Case: 242 Front Axle: D30 w/ Solid Cover, some trussing/bracing - 4.56s Rear Axle: D44 w/ Aussie Locker & Ruff Stuff Cover - 4.56s Tires: 33x10.5 BFG MTs on Jeep Eccos w/ 1.25" Spacers Lift Specifications: Rusty's 3" Springs, JKS Trackbar, RE SF LCAs, RK UCAs, Bilstein 5150s Misc Accessories: Armor and such	a 30/44 combo, even without upgraded shafts or anything else for that matter, is plenty stout for 31s. I'm running 260x u-joints in my 30 on 33s and have never broken one, I just have to replace them once a year.. gotta get new shafts eventually. __________________ I'm here to bring your posts back to earth. Call me, Dr. Reality Check, PhD. Yes, I do make house calls. [SiS]OffRoad Photography

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

07-02-2009, 12:46 AM	#3
bajarunner Newbie Join Date: May 2009 Posts: 26 My Photos 1989 Cherokee Year: 1989 Model: Cherokee Engine: 4.0 Transmission: ? Transfer Case: ? Front Axle: dana 35 Rear Axle: dana 44 Tires: 31x10.50 Lift Specifications: 4	so i have a danna 30 right now on the front????? how you can tell......... thank you man for all de help

07-02-2009, 02:14 AM	#4
98x2xj Junior Member Join Date: Apr 2009 Posts: 48 My Photos	A high pinion 30 is slightly stronger, as well giving better front driveshaft angle. Newer non disconnect 30 is desireable, 297 joints as well. 4.10 gears= slightly higher highway RPM.

07-02-2009, 02:16 AM	#5
98x2xj Junior Member Join Date: Apr 2009 Posts: 48 My Photos	4.10 for auto!

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
rear diff help	austinpatton	Cherokee Tech	6	08-02-2009 09:19 PM
Rear axle/diff problems - pressure building up in diff	Riaan du Plessis	Cherokee Tech	8	05-03-2009 04:28 AM
rear diff help please	4x4chreokee4x4	Cherokee Tech	3	01-16-2009 01:15 AM
Aftermarket Diff covers - what's the Diff??	Dirty Harry	Cherokee Tech	17	09-24-2008 07:22 PM
Diff service	ecksjay	Cherokee Tech	6	12-18-2007 07:13 AM