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Old Oct 26, 2007 | 04:25 PM
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Question for Mil1ion

Mil1ion,
I sent a pm, maybe you didn't get it. I am trying to work with Mike at Mikes Truck Salvage. He is looking out for a rearend for my 76 F-100. I'm looking for a 3.50 Trac Loc Unit. He has a number of them on his lot, but is having trouble deciphering the tags. Can you help?

Thanks
Mike Z
 
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Old Oct 26, 2007 | 04:37 PM
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No PM come through yet.

Code H2 is a 9" 3.50 LS

The axle ID tag would also read: 3 L 50


 

Last edited by Mil1ion; Oct 26, 2007 at 04:40 PM.
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Old Oct 26, 2007 | 04:47 PM
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Mil1ion,

I tried copy and pasting Mikes reply, but basically, he's saying that the numbers he is seeing don't seem to match what has been published. I indicated to him that I thought the tag should read H2 as well.
 
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Old Oct 26, 2007 | 04:56 PM
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Tha rating plate on the door says H2

The Axle ID tag shows what it is.
 
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Old Oct 26, 2007 | 05:03 PM
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So if I am reading you right, a 3.50 trac loc will be 3L50 and a 4.11 trac loc will read 4L11 on the axle tag?
 
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Old Oct 26, 2007 | 05:07 PM
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Correct
It will actually read like the tag shown above

WDM - xx
3L50 9

It depends on what year /plant it came from.

http://i69.photobucket.com/albums/i7...raxletag-1.jpg



 

Last edited by Mil1ion; Oct 26, 2007 at 05:13 PM.
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Old Oct 26, 2007 | 05:13 PM
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Thanks Mil1ion
 
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Old Oct 27, 2007 | 08:30 PM
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From: Wisconsin
million ? for ya.
pulled the tag off my 9''. can u tell me what gear ratios i gots. think its a 3:55 LS but not 100% sure.
here is what it says
WFE-J 4LA
3l50 9 389B
thanks
Mitch
 
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Old Oct 27, 2007 | 08:45 PM
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WFE - J
WFE-J = axle model
J- suffix (change-up)

4LA - Date casting

4- 1974
L- Month =November
A = week = 1st week

3L50 = 3.50 :1 ratio
9 = 9"
389B = Plant code
 
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Old Oct 27, 2007 | 08:54 PM
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Hey Mil1on, since you have your book out.....
WFE AS 7LB
3L50 9 394B
I'm like hp246, trying to determine if it's a trac-lok or not. Also, I'm new to these rigs and I know this may sound like a silly question, but what exactly is trac-lok, a limited slip of some sort?
An inevitable thanks,
Chuck
 
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Old Oct 27, 2007 | 09:17 PM
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Pretty well the same axle

The L in between the 3 and the 50 denotes Limited slip or locking rear end.

An open 3.50:1 rear axle will show up as 3.50 9 394B


7LB

7 -(year ending in 7) ie: 1977
L = November
B= 2nd week
 
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Old Oct 27, 2007 | 09:24 PM
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As always, thank-you very much sir. Since it's a trac-lok, I'm presuming, what does that do for me?
 
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Old Oct 27, 2007 | 09:26 PM
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Trac lok I think was an AMC term.

Ford was Traction-Lok and Limited slip
 
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Old Oct 27, 2007 | 09:36 PM
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Thanks a Mil1on! lol On a serious note though, you are like a walking Ford service maual, glad you're here.
 
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Old Oct 27, 2007 | 11:28 PM
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From: Wisconsin
Originally Posted by tatonka04
Thanks a Mil1on! lol On a serious note though, you are like a walking Ford service maual, glad you're here.

AGREED! thanks alot for the help! now that makes me all confused. cuz i always thought the truck was a 75. all well!
Mitch
 
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