Performance Forums > Drivetrain
Differential
the old trucker:
Cranman I can get a rear end from a 1956 De Soto car. I don't think the bolt pattern is the same but I want to know if the crown & pinion would swap into mine ?? My ratio is 4;11. I guess the car would be 3;90 or 3;70 .Thanks OT.
Cranman:
54 maybe, but I think 56 is too late. If the crown is 663445 maybe you could disassemble but the whole assy would have to be set up in a shop familiar with it. Better off to look for an old truck diff with the same bolt pattern and course spline axle. Then it is all bolt in with no shimming and adjusting
the old trucker:
Thanks Cranman. I think I may know where to find one. Think a 1 ton diff would be the same ??
OT.
the old trucker:
I have my woody diff in the shop waiting to see if I can get a set of spider gears for it. I also have a diff from a narrow gauge metal bomber. I have a couple of questions.
The woody diff has 4.11 gears & the diff from the metal bomber has 4.88 gears. Can I install the diff with 4.88's & use the woody sprockets ?? I was sizing everything up & the 4.88 looks wider than the 4.11.
It also has bigger axles. My sprocket hubs from the woody won't fit completely on the 4.88 axle. Is there any way to change these around ?? The 4.88 is in great shape.
According to case #'s it's a Dana 44. Can any body help me ??
This # is C 30294
http://i333.photobucket.com/albums/m366/theoldtrucker/PICT1006.jpg
This # is 44-1
http://i333.photobucket.com/albums/m366/theoldtrucker/PICT1005.jpg
In this pic I wonder if I cut off the shiny area of the hub, if it will fit in place on the other diff. Right now the hubs are 41- 41 1/2" center to center.
http://i333.photobucket.com/albums/m366/theoldtrucker/PICT1004.jpg
Here you can see the difference in width.
http://i333.photobucket.com/albums/m366/theoldtrucker/PICT1002.jpg
http://i333.photobucket.com/albums/m366/theoldtrucker/PICT0998.jpg
Cranman:
Never heard of anyone putting aluminum sprocket on a DANA . Would be OK if you can get it to mate up. Is the bolt pattern the same? With the aluminum sprockets you have to make sure they are tight. Many of them have been run loose at one time or another and the bolt holes elongate. I had to centre drill mine out to 3/4 inch and bush them with brass. Then I welded 1/2 inch nuts to the inside of the hub to increase the thread length. Then I used thick galvanized tower washers and grade 8 bolts torqued to the max. After about a week I got another 1/4 turn and the next year another 1/4 but since then all is ok. If you can install new spiders in the 4.10 it would be ok too. They are pretty tough.
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