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Discussion Starter · #1 ·
Going to be getting a mid 70's cj7 rolling chassis with 258/auto/Qtrac.
Planning on using the axles on my cj2. They seem to be the same width.
The front is a d30(I think) but not sure what the rear is. Any one know
what they came with or what the axle ratio might be? Looks like a round
pumpkin but can't get real good look till the body is removed. Also,How hard
is it to add locking hubs? Is there anything else I need to know about this
swap?

C-Ya.....................kh
 
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The only totally round, like half a sphere diff I can think of is a Model 20.

Brad (from the 4 Wheeling center of the universe, 4 corners USA)
 

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the axles should be a dana 30 front and amc20 rear. the usual ratio with the quadratrac is 3.54. locking hubs are simply a matter of removing the cap and snap ring on the end of the shaft, unbolt the flange and install the hubs. the major upgrade to the reliability of these axles is just to install one-piece shafts in the rear axle. i had these same axles until a couple weeks ago and at 175K miles, didn't have any problems except for the occasional bearing or seal replacement.

79/CJ-7/AMC360/TH400/Q-TRAC/d30/d44/33's/Herculiner
 

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Discussion Starter · #5 ·
Thanks. That should help alot. One more question. I've heard that there is
a difference in the early and late d44's. The early one having a lower
spline count. Is there anyway of telling them apart,other than taking
it apart?
Thanks.

C-Ya.....................kh
 
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