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Dana 30 and Chrsyler 8.25
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=63139		 Page 1 of 1
Author:  audiboy86 [ Thu Oct 13, 2011 10:08 pm ]
Post subject:  Dana 30 and Chrsyler 8.25
I have found an Chrysler 8.25 out of and XJ with new 4.10 Yukons in the rear and I was wondering if this axle would work? Also what rotation would I need the Dana 30 axle gears to be standard or reverse rotation?

Also to elminate any worries about the 4.10s in the chrysler he has documents showing its install and removal. All within 2 weeks he had major death wobble and before he could even get the jeep on the trail his mechanic found the frame repairs. So his loose is my gain and it is only a little drive from me.
Author:  tjkj2002 [ Thu Oct 13, 2011 10:16 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
Is the D30 a low pinion or high pinion?

Low pinion is standard cut,high pinion is reverse cut.Oh and the XJ 8.25 is set up for leaf springs and can have either 27 spine axles or 29 spline axles.If the 8.25 is a 29 spline axle just some new mounts and your good.
Author:  j-rod [ Fri Oct 14, 2011 10:57 am ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
tjkj2002 wrote:
Is the D30 a low pinion or high pinion?

Low pinion is standard cut,high pinion is reverse cut.Oh and the XJ 8.25 is set up for leaf springs and can have either 27 spine axles or 29 spline axles.If the 8.25 is a 29 spline axle just some new mounts and your good.



truth.

also most XJ's are drum brakes in the rear but you can swap all your disk parts right over!
Author:  XJMA [ Fri Oct 14, 2011 11:12 am ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
all XJs came from the factory with rear drums, but it is easy to throw your discs on the XJ 8.25. Not sure how you'd get the top mount for the KJ suspension onto the XJ axle....otherwise it's just weld on new mounts on the axle and you're good to go. Maybe you'll need to truss the 8.25 and do a triangulated 4link!! Or are you going to just install the 8.25 gears in your axle?? That might be easier...but in that case you may want to go new. Not sure why they would remove gears or axles due to death wobble....that is steering/front suspension setup issue!
Author:  audiboy86 [ Fri Oct 14, 2011 5:54 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
Well maybe should of been more specific I am getting the Chrysler axle for and easy 100 maybe less and the only reason i want it is for the spare parts and 4.10 Yukon gears and Carrier. And the D30a which is the stock front axle of the KJ is it standard or reverse cut? I suspect standard but need to be 100% before I go hinting for a good slight used set. I know CJs were standard rotation and i know where there are quite a few with Spicer 4.10 or 4.11 in them. All for extremely cheap and it will allow me to be more offrad capable while i gather parts for my SFA.
Author:  ridenby [ Fri Oct 14, 2011 7:19 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
The 30a is a different cat than the 30 in XJ's,etc. ring and pinion are pretty different.
Author:  RED_KJ_666 [ Fri Oct 14, 2011 10:06 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
Even the 8.25" Carrier will be different as the KJ version has the place for the tone Ring to press on, You won't have the bosses to mount the tri link to either or the pass through for the ABS sensor and as ridenby said The XJ 30 R&P is way different than the one in the KJ 30a. So all in all you'd be paying 100$ for used Chrysler 8.25" gears and getting some otherwise useless to you parts. You may get lucky and get some spare 29-spline axles for the 8.25" but that's fairly unlikely too.
Author:  tjkj2002 [ Fri Oct 14, 2011 10:10 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
RED_KJ_666 wrote:
Even the 8.25" Carrier will be different as the KJ version has the place for the tone Ring to press on, You won't have the bosses to mount the tri link to either or the pass through for the ABS sensor and as ridenby said The XJ 30 R&P is way different than the one in the KJ 30a. So all in all you'd be paying 100$ for used Chrysler 8.25" gears and getting some otherwise useless to you parts. You may get lucky and get some spare 29-spline axles for the 8.25" but that's fairly unlikely too.

The KJ's 8.25 axles are different lengths then the XJ's 8.25 axles and can not be interchanged.
Author:  audiboy86 [ Sat Oct 15, 2011 11:09 am ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
Can i use the gears out of it atleast all i want is the ring and pinion considering it is a brand new yukon set up. And the reason i am willing to pay 100 for a set of gears in a very slightly used axle is because i am saving for and SFA and collecting parts as we speak. But until then i will need to be more offroad capable because it will be atleast a year. And all i really need to know is the front D30a reverse or standard rotation I do not plan on using one from this XJ just the 8.25. I am almost 100% sure it is that it is a standard rotation axle.
Author:  RED_KJ_666 [ Sat Oct 15, 2011 2:16 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
I believe it's standard rotation Here are some 30A Gears at JT http://www.justdifferentials.com/index. ... 2234c5a5dd

The only company that makes KJ gears is Spicer as well. I believe that this is the cheapest I have ever seen them as well.
Author:  RED_KJ_666 [ Sat Oct 15, 2011 2:19 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
tjkj2002 wrote:
RED_KJ_666 wrote:
Even the 8.25" Carrier will be different as the KJ version has the place for the tone Ring to press on, You won't have the bosses to mount the tri link to either or the pass through for the ABS sensor and as ridenby said The XJ 30 R&P is way different than the one in the KJ 30a. So all in all you'd be paying 100$ for used Chrysler 8.25" gears and getting some otherwise useless to you parts. You may get lucky and get some spare 29-spline axles for the 8.25" but that's fairly unlikely too.

The KJ's 8.25 axles are different lengths then the XJ's 8.25 axles and can not be interchanged.


I didn't know that good info tho as I was about to purchase a set of XJ 29 splines for 5$ I'll keep the money for coffee now lol
Author:  XJMA [ Tue Oct 18, 2011 4:43 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
KJ has a low pinion D30A which means standard rotation. XJs from 84 to 99ish had high pinion Dana 30s which means reverse cut (stronger). The XJ Dana 30 went to low pinion at the end of the manufacture run....I believe 2000 and 2001, but 2000 may also be HP. FWIW, standard rotation is stronger in reverse.

TJs had low pinion Dana 30s as did the CJ, which means they are standard rotation, however, with the aluminum thing I'm not sure they'd fit.
Author:  RED_KJ_666 [ Wed Oct 19, 2011 6:47 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
They won't it's a completely different Pinion gear.
Author:  kmetz71 [ Thu Oct 20, 2011 2:42 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
XJMA wrote:
KJ has a low pinion D30A which means standard rotation. XJs from 84 to 99ish had high pinion Dana 30s which means reverse cut (stronger). The XJ Dana 30 went to low pinion at the end of the manufacture run....I believe 2000 and 2001, but 2000 may also be HP. FWIW, standard rotation is stronger in reverse.

TJs had low pinion Dana 30s as did the CJ, which means they are standard rotation, however, with the aluminum thing I'm not sure they'd fit.
call me dumb but i thought the high pinion was better than low pinion for the simple fact of driveshaft angles and clearance.... not for the way the gears were cut... well i guess those 2 factors would make it functionally stronger... just dont think reverse cut gears themselves are stronger than standard
Author:  tjkj2002 [ Thu Oct 20, 2011 4:14 pm ]
Post subject:  Re: Dana 30 and Chrsyler 8.25
kmetz71 wrote:
XJMA wrote:
KJ has a low pinion D30A which means standard rotation. XJs from 84 to 99ish had high pinion Dana 30s which means reverse cut (stronger). The XJ Dana 30 went to low pinion at the end of the manufacture run....I believe 2000 and 2001, but 2000 may also be HP. FWIW, standard rotation is stronger in reverse.

TJs had low pinion Dana 30s as did the CJ, which means they are standard rotation, however, with the aluminum thing I'm not sure they'd fit.
call me dumb but i thought the high pinion was better than low pinion for the simple fact of driveshaft angles and clearance.... not for the way the gears were cut... well i guess those 2 factors would make it functionally stronger... just dont think reverse cut gears themselves are stronger than standard

For the front high pinion is alot stronger then a low pinion,for the rear a low pinion is alot stronger then a high pinion.
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