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-   -   Wide track vrs Narrow track? (http://www.wranglerforum.com/f298/wide-track-vrs-narrow-track-159277.html)

CJ-John 05-10-2012 06:49 AM

Wide track vrs Narrow track?
 
So I'm finally getting my CJ shipped to NY and I've been junk yard shopping for a set of wide track 4.10 axles. Will they bolt right up in my 79? How about the Dana 35 replacing the AMC 20 rear? What things do I have to deal with? Can I use a YJ rear? When I lift my jeep I may go to the YJ springs anyway. I know the lug pattern is different Thanks

Dempsey 05-10-2012 09:16 AM

YJ's have a wider frame so you would have to relocate the spring pads in the rear and outboard the front springs. I don't think it is worth it for stock axles.

The dana 35 is a weak axle and in NO way a recommended axle to swap into a CJ. I recommend a amc 20 with 1 pc axles. They are as strong as a d44 IMO.

The YJ spring swap is a great idea and pretty easy.

I don't think you will find a set of WT axles in the junk yard and even if you do they did not come with 4.10 gears. I have seen a few sets come up for sale but always from individuals. But you never know.

I have NT axles under my CJ right now with 4.10's. I also wanted to be wider so I added a set of spacers temporarily which has helped. WT axles are 4" wider than NT and the spacers are 2.5" so I made up some of the difference. My next step is to outboard the front springs and go to a waggy 44 front. In the rear I will be narrowing a 8.8 and using a adapters for bolt pattern. I will be about 10" wider than stock then. Similiar width to a TJ jeep. I have my axles bought and in the shop so I will be doing a build thread later this year on it.

CJ-John 05-10-2012 11:22 AM

I passed up a set of WT axles a few months ago at the local yard I think they even had a Dana 44 rear. I know the D35 is a weak rear end but 90% of my driving is on the road I'll only have 31's on it and I have not broke a rear end since I had 39" tires on a GM 10 bolt with 5:38's in low range w/no front drive shaft but that was nearly 25 yrs ago now it's scenic rides on 2 track dirt roads for me.

Dempsey 05-10-2012 03:52 PM

Quote:

Originally Posted by johninmichigan (Post 2354700)
I passed up a set of WT axles a few months ago at the local yard I think they even had a Dana 44 rear. I know the D35 is a weak rear end but 90% of my driving is on the road I'll only have 31's on it and I have not broke a rear end since I had 39" tires on a GM 10 bolt with 5:38's in low range w/no front drive shaft but that was nearly 25 yrs ago now it's scenic rides on 2 track dirt roads for me.

Wow. The yards in your area have older stuff than mine. The D44 only came in '86 CJ's so a little hard to find . I passed one up a while back not knowing that. I think I remember you posting something about that though.

For your application I guess a d35 would be ok but I don't think anyone will tell you to do it. But it is your jeep, do what you feel is right. However if you run a d35 from a YJ you must run a YJ dana 30 front (or similar width) or the rear will be much wider. In order to do that I think you will have to outboard your springs. I don't see a way around that. I'm gonna guess you aren't wanting to do that.

Your easiest install will be a set of WT axles. That may mean you have to have them regeared to 4.10.

4Jeepn 05-10-2012 04:28 PM

If 90% of your driving is on the road, just run the stock axles, nothing wrong with them. The model 20 1pc shaft upgrade is low cost and make is a very strong axle. Your other option is the HD20 out of full size jeep which had 1pc shafts, those might have come with a front 44 as I recall. Been a long time since I had a CJ.

CJ-John 05-11-2012 05:41 AM

Thanks, yes it was an 86 WT in the yard I passed up. I had just gotten laid off at the time so no way to justify project parts then. Jeeps never last long here at the junk yard. Maybe we get more than some areas because the rust totally eats the frame and body but the axles are still Ok. I think I'll keep my eyes open for a other WT and get a set of gears. Thanks


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