rearend mystery
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Junior User
Joined: Mar 2002
Posts: 60
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From: northeast
rearend mystery
A couple months ago I bought a trailer load of frontends and rearends off this guy.I have one rearend I need some info on.It looks like a 3/4 or 1ton rearend(srw).It has the plug, wire, and sensor for ABS. I got the matching frontend also, or parts of, its independent.I have the tag off of the rearend and am not quite sure how to read it all.
Heres the tag info.
2 v131c
4L10 10 2 7K22
As far as I can tell its a 4.10 gear and I think its out of an late 80,s truck.Any help on the front would help also. Thanks ED
Heres the tag info.
2 v131c
4L10 10 2 7K22
As far as I can tell its a 4.10 gear and I think its out of an late 80,s truck.Any help on the front would help also. Thanks ED
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Junior User
Joined: Mar 2002
Posts: 60
Likes: 0
From: northeast
rearend mystery
>It's a Ford (Sterling) 10.25" Full-Floating Axle. It's a
>Limited Slip with 4.10 gears. I would guess it's out of an
>'87.
>
>The Law
Thanks everyone for the feedback.One more small question,what on that tag designates say the years,ratio, and open or L.S.? This way I can learn to tell what the info on the tag is by myself.
ED
No big chicks,just big tires!
>Limited Slip with 4.10 gears. I would guess it's out of an
>'87.
>
>The Law
Thanks everyone for the feedback.One more small question,what on that tag designates say the years,ratio, and open or L.S.? This way I can learn to tell what the info on the tag is by myself.
ED
No big chicks,just big tires!
Elder User
Joined: May 2001
Posts: 760
Likes: 0
From: Billings, MT
rearend mystery
Here's the break down on the Ford tag. I've found that Ford generally follows this setup on the codes, but not always.
Your tag said:
2 v131c
4L10 10 2 7K22
I'm not sure what the top 6 digits are, possibly a factory code? The 2 could mean it was manufactured in Canada, but I don't guarantee it.
The 4L10 indicates 4.10 gears with a limited slip. The L in the middle indicates Limited Slip. If it had a space (4 10) it would be a regular open diff. If it were 3.73 gears with a LS, it would read 3L73. I wanted to provide a second example just for safety's sake. The next digits, the 10 2 indicate the 10.25" ring gear axle manufactured by Sterling exclusively for Ford. Later in the 90's they switched to a 10.5" ring gear, and so those diffs have a tag that says 10 5. I don't know for a fact that 7K22 indicates when the diff was manufactured, but on my '89 the last 4 digits start with a 9, and on a '96 10.5" I looked at last summer they started with a 6. I would guess then that the 7K22 indicates an '87 axle. It couldn't be '77 as they weren't made then, and it couldn't be a '97 as by then they'd switched to the 10.5" ring gear.
The Law
Your tag said:
2 v131c
4L10 10 2 7K22
I'm not sure what the top 6 digits are, possibly a factory code? The 2 could mean it was manufactured in Canada, but I don't guarantee it.
The 4L10 indicates 4.10 gears with a limited slip. The L in the middle indicates Limited Slip. If it had a space (4 10) it would be a regular open diff. If it were 3.73 gears with a LS, it would read 3L73. I wanted to provide a second example just for safety's sake. The next digits, the 10 2 indicate the 10.25" ring gear axle manufactured by Sterling exclusively for Ford. Later in the 90's they switched to a 10.5" ring gear, and so those diffs have a tag that says 10 5. I don't know for a fact that 7K22 indicates when the diff was manufactured, but on my '89 the last 4 digits start with a 9, and on a '96 10.5" I looked at last summer they started with a 6. I would guess then that the 7K22 indicates an '87 axle. It couldn't be '77 as they weren't made then, and it couldn't be a '97 as by then they'd switched to the 10.5" ring gear.
The Law
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Junior User
Joined: Mar 2002
Posts: 60
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From: northeast
rearend mystery
>hey kamikazee, if its in good shape, how much do you want
>for that axle?
Well I am not quite sure yet.I need to pull the drums and rear cover to see the condition it is in.Proably somewhere between 350 and 500.
No big chicks,just big tires!:P
>for that axle?
Well I am not quite sure yet.I need to pull the drums and rear cover to see the condition it is in.Proably somewhere between 350 and 500.
No big chicks,just big tires!:P
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