Mopar rear axle spotter's guide

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Line 14: Line 14:
 
These may not be all the casting numbers that were ever used on the various axles, but are a starting point:
 
These may not be all the casting numbers that were ever used on the various axles, but are a starting point:
  
;7-1/4  
+
;7-1/4"
 
:2070051  
 
:2070051  
 
:3507881  
 
:3507881  
 
:3723675
 
:3723675
  
;8-1/4  
+
;8-1/4"
 
:2852905  
 
:2852905  
 
:3723598  
 
:3723598  
 
:3723599
 
:3723599
  
;8-3/4  
+
;8-3/4"
 
:1820657 (small pinion shaft, up to 1964)  
 
:1820657 (small pinion shaft, up to 1964)  
 
:2070741 (small pinion shaft, 1965 to about 1972)  
 
:2070741 (small pinion shaft, 1965 to about 1972)  
Line 30: Line 30:
 
:2881489 (tapered pinion shaft, 1969 to about 1974)
 
:2881489 (tapered pinion shaft, 1969 to about 1974)
  
;9-1/4  
+
;9-1/4"
 
:3507890  
 
:3507890  
 
:3507891  
 
:3507891  
 
:3723199
 
:3723199
  
 +
==Fender tag and broadcast sheet codes==
 +
While the fender tag has far less info on it than a broadcast sheet, unlike a broadcast sheet the fender tag is a metal plate riveted to the fender. Some Mopar vehicles can have an axle code on the fender tag- but not all do. If the vehicle hasn't been changed through the years, the fender tag or broadcast sheet info will be the equipment that's on the vehicle. This can be useful if doing a restoration, researching a vehicle, or if looking in a salvage yard.
  
 +
In the event a broadcast sheet is available, it has a bounty of info and should always be saved, obviously. A broadcast sheet often doesn't survive unless it's well hidden. Even then, age and conditions can render it unreadable.
  
 +
More on this can be seen at the wiki page [[Build sheet decoding]] (still being compiled).
  
 +
The broadcast sheet may or may not have ever been included with any particular vehicle. Codes on the fender tag or broadcast sheet that pertain to the rear axle size and/or ratio have a suffix letter of "A" or "D" for '60s-'70s Mopars, possible other years as well.
  
==Resources==
+
==References==
 +
*[http://www.mymopar.com/6971opcodes.htm My Mopar]
 +
*[http://www.genocide2600.com/~traviso/mml/bodydecode.html ''How to Decode your MoPar'']
 +
*[http://www.allpar.com/ allpar.com]
 +
  
 
 
 
 
 
[[Image:mopar axle.jpg]]
 
  
 
[[Category:Rearend]]
 
[[Category:Rearend]]
 
[[Category:Identification and decoding]]
 
[[Category:Identification and decoding]]

Revision as of 11:35, 1 April 2012

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