Need help with driveshaft!!

jktcummins

jktcummins

24v GOD!!!! HAHAHA
Joined
Apr 1, 2007
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Ok here is the deal. I broke my Dana70 a while back and found another D70 but it was built to handle some serious hp. It has mouser axles D80 detriot locker, and hd pinion and ring gear. The problem is i cant find a 1480 yoke for the D70 pinion.

So anyone know where to get one at??? For a daily drive will a one piece shaft work or should i go head and do a two pieces.

If the two piece is the way to go where would be the best place to get the 1480 weld on yokes for the rear? And what do yall do about the slip yoke and carrier bearing??

Also i have the stock transfer case that cam on a 02 dodge auto can you get a 1480 yoke for it????
 
I would be curious what they did to beef up the D70 pinion. It is the same size as a D60. I think your wasting your time putting an 1480 joint on for a 70. I have seen many a 70 break way before the 1410 lets go. Put some non greaseable 1410's in it and go.
 
Well the whole reason i bought the dang thing in the first place was because the guy that had it was in a bind and needed money and i got it cheap. Everything is there locker bigger shafts. And i need to call the shop that put it together but the housing was new when they built it. The did some extra stuff with the pinion and ring gear. Not sure what but it has 1410 ujoints.

What could they have done????
 
The yoke from a D60 will fit on a d70. That should tell you the strength.
I am saying just replace the stockers with non greaseable spicers. They are the strongest, and I imagine it won't be the weak link in the rear.
 
well would i think i would rather spend the money on a 1480 yoke for a D70 and go ahead and get a 4" drive shaft and then break the rearend rather than buy new ujoints and carrie bearing for the factory driveshaft and then break the D70 and have to get a D80 and then up break the stock driveshaft if you know what i mean.
 
What hp is the 241 transfer case good too???

Will the factory driveline and the D70 i have be good to hold 600hp and more???
 
jktcummins said:
well would i think i would rather spend the money on a 1480 yoke for a D70 and go ahead and get a 4" drive shaft and then break the rearend rather than buy new ujoints and carrie bearing for the factory driveshaft and then break the D70 and have to get a D80 and then up break the stock driveshaft if you know what i mean.
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Well if you decide to upgrade to a 80 you have to get the driveshaft modified anyway. It would be too long with the 80. I am just saying I have seen a lot of 3" stock drive shafts hold up to some heavy abuse. Why do you need a new carrier bearing? I would just replace the ujoints if I did anything at all. They could cryo the pinion and that would help, but I still think your gonna twist the pinion way before you mess up the stock driveshaft.
 
Well from the what i was told they took the new d70 housing and machined it for the d80 pinion and ring gear. But i really dont thing there is anyway in hell they could do that in the first place. Or is there???? It is suppose to be a D70 with D80 internals. I really didnt give a crap at the time it was just a good deal.

The carrier bearing is worn out. It has some slack in it.
 
jktcummins said:
Well from the what i was told they took the new d70 housing and machined it for the d80 pinion and ring gear. But i really dont thing there is anyway in hell they could do that in the first place. Or is there???? It is suppose to be a D70 with D80 internals. I really didnt give a crap at the time it was just a good deal.

The carrier bearing is worn out. It has some slack in it.
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Well a D80 carrier will fit in there. As I used a d70 arb in my d80. I am guessing that is what they meant.
 
so they probly just used a yokon d70 pinion and ring gear or something like that instead of putting 80 stuff in it???
 
Yeah it will as long as its the same input shaft spline count. The manual tranny ones have a bigger shaft.
 
When I twisted my rear yoke off, my driveshaft guy was able to find a 1550 yoke. He didn't know exactly what the application is was off of, but was guessing a F550. He was also able to build me a one piece shaft using a 5 x1/8" tube.
 
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