rear axle swap
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Posting Guru
Joined: Mar 2013
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rear axle swap
What all years can we swap with?
My leave perches are 45" center to center.
my inner drum to inner drum is 55"
I ask because I want a heavier rear axle then my semi float Dana 60 with 3.55(have a front Dana 60 with 4.10 that will go in eventually)
I have a deal on a rear out of a 70's. Dana 60 full float and 4.10 gears for 300$
My leave perches are 45" center to center.
my inner drum to inner drum is 55"
I ask because I want a heavier rear axle then my semi float Dana 60 with 3.55(have a front Dana 60 with 4.10 that will go in eventually)
I have a deal on a rear out of a 70's. Dana 60 full float and 4.10 gears for 300$
Cargo Master
Joined: Apr 2003
Posts: 2,408
Likes: 5
From: Parkesburg PA
Generally 80-96/97 swaps. Around 83 the sterling 10.25 came out, before that it was the D60. There is a chassis cab axle that has more narrow spacing on the perches. Not sure if drive shafts or yolks changed though.
Hotshot
Joined: Feb 2004
Posts: 11,697
Likes: 3
From: Marengo, Iowa
There are always things to consider with such swaps, such as u joints and brake lines. No parts book will ever tell you that, experience or trial and error tell you that. Parts books tell you what year the part was used in, nothing more.
I do believe I had looked up the u-joints and they were the same in the drive shaft, but the next thing is if the drive shaft length remained consistent.
I do believe I had looked up the u-joints and they were the same in the drive shaft, but the next thing is if the drive shaft length remained consistent.
Moderator
Joined: Jan 2001
Posts: 56,990
Likes: 2,740
From: Virginia
Measure the 70's rearend. I have heard even though the front of the frame is more narrow and nothing swaps on the front, the rear frames are close to the same and the rears will swap.
70's trucks probably also had chassis cab rearends, so be careful there also. But all chassis/cab rearends were dually rears. So if wasn't a dually rearend you should be ok.
70's trucks probably also had chassis cab rearends, so be careful there also. But all chassis/cab rearends were dually rears. So if wasn't a dually rearend you should be ok.
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