What rear do I have?
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Joined: Feb 2002
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From: west hazleton united stat
What rear do I have?
Can anyone help me identify this rear? There is a tag on it:
WDM-AG 2HC
3.00 9 343A
I think its a 9". I would like to know the gear ratio, if it is a posi, and what year it is if possible. Any information on what these letters mean would be great.I want to install this on my 56 F-100.
I think it came out of a 1972 F-100. But i'm not sure.
Please help
Jerry
WDM-AG 2HC
3.00 9 343A
I think its a 9". I would like to know the gear ratio, if it is a posi, and what year it is if possible. Any information on what these letters mean would be great.I want to install this on my 56 F-100.
I think it came out of a 1972 F-100. But i'm not sure.
Please help
Jerry
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Junior User
Joined: Feb 2002
Posts: 83
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From: west hazleton united stat
What rear do I have?
thanks for the info redranger.
It is a 9". I guess it must be a 3.00. But that is what has me puzzled. All of my books don't list a 3.00 ratio for a 1972 F-100.
I was told when i bought it that it was out of a 72. Thats why i was wondering if any of those letters could tell you what year it was.
Or maybe it wasnt even from a truck. ???
Maybe someone can decipher this one for me.
It is a 9". I guess it must be a 3.00. But that is what has me puzzled. All of my books don't list a 3.00 ratio for a 1972 F-100.
I was told when i bought it that it was out of a 72. Thats why i was wondering if any of those letters could tell you what year it was.
Or maybe it wasnt even from a truck. ???
Maybe someone can decipher this one for me.
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Junior User
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From: west hazleton united stat
What rear do I have?
One more Question about this 9".
I have noticed weld seems about 3 inches down the axle tube on both sides. ( 3 inches from the center section to the wheels) the weld goes all the way around the tube. Due all 9" have this seem?
I have noticed weld seems about 3 inches down the axle tube on both sides. ( 3 inches from the center section to the wheels) the weld goes all the way around the tube. Due all 9" have this seem?
Senior User
Joined: Jul 1999
Posts: 472
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From: USA
What rear do I have?
Yes, they are like that until the mid/late 1970's. Later ones (i.e. '78) have "overlapped" metal with the welds further outboard. 3.00 indicates a 3:1 open diff and 3L00 is one with a traction-lok. As for the year, I'd guess its original - since few people put the tag and copper sealing washers back on when they reinstall the diff (unless the entire axle assembly was changed). Art
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Junior User
Joined: Feb 2002
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From: west hazleton united stat
What rear do I have?
Thanks for the info art. When i saw those welds i was getting worried that i had one that was broke and fixed.Glad to hear that they were all like that.I'm not very familiar with the 9".This must not have traction lok because there is no " L" in the number. Thanks again.
Jerry
Jerry
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Joined: Feb 2002
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What rear do I have?
There is a trick to get your rear end ratio. turn the tire or hub or whatever ya got there and count how many times the drivshaft yoke turns. 3 turns of the yoke is 3.00 and so on
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