axle?
Posting Guru
Joined: Mar 2001
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axle?
Check the metal tag usually on one of the bolts at the rear axle wear the third member bolts into the pumpkin. The second line of text, first three digits should give you the information you want. You'll probably need a a rag and / or wire brush.
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Junior User
Joined: Jul 2002
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From: USA
axle?
[updated:LAST EDITED ON 14-Jul-02 AT 01:06 PM (EST)]thanks for the info but still not real sure what I am looking at. I found the tag and the numbers are
2 72 D7TA JA
603903-1
does this mean anything to anyone else? Thanks
2 72 D7TA JA
603903-1
does this mean anything to anyone else? Thanks
Posting Guru
Joined: Mar 2001
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axle?
...or maybe it was the first line of text...sorry about that. I'd check the first line again...particularly the 2 72. My best guess is a 2.73 & since you found no "L" - an open differential. I'm sure another member here can give a second opinion.
Freshman User
Joined: Apr 2002
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From: San Antonio USA
axle?
The "D7" means 1977. The 603903 is the Bill of Materials number but this number is not on the Dana site or my Dana books. Check it again. I did not see this entire thread. Is it a rear or front?
Ledgeclimber
Ledgeclimber
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Joined: Apr 2002
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From: San Antonio USA
axle?
Here is another site but it is not on there either.
http://www.patooyee.com/Dana/By%20BoMN.htm
http://www.patooyee.com/Dana/By%20BoMN.htm
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Junior User
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From: USA
axle?
[updated:LAST EDITED ON 16-Jul-02 AT 07:15 PM (EST)]Haha...thanks for the help. I guess the world may never know what rearend is under my truck. I don't think 2 72 is right though. Gets off the line way too fast for that to be the case.
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Posting Guru
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axle?
Support the rear axle with jackstands, put it in neutral, and count how many times the drive shaft rotates per tire rotation. You'll also find out if you have limited slip or an open differential for sure.
New User
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axle?
Why not just pull the cover off and count the teeth on the pinion gear & ring gear > then do the math.
This is a NO Fault method.
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This is a NO Fault method.
[font color=red]Dennis
FTE Adminstration
[/font]
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[font color=blue]78 F-150 429CJ,Silver,Explorer Pkg.
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68-Mustang 289 2v-Sunlit Gold
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Junior User
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From: USA
axle?
doesn't sound right to me eaither. I have 70 series tires....don't have the exact measurements but they are larger then stock and I did mark both driveshaft and tire. I think I will just have to pull the cover. Thanks
