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Old 06-15-2009, 05:36 PM
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What is this rear end?

Hey fellas Im trying to identify several parts on a ratrod that will likely have a major overhaul. Anyone recognize this end? Im thinking is 57-61 ford pass...
thanks!!

http://i301.photobucket.com/albums/n...40/endleft.jpg
http://i301.photobucket.com/albums/n...0/endright.jpg
http://i301.photobucket.com/albums/n...40/endback.jpg

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Old 06-15-2009, 05:42 PM
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looks like the id tag hanging there still on the center section, get the # off of it and someone can help. Cole
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Old 06-15-2009, 05:52 PM
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all the tag says is 3.22, im guessing its ratio
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Old 06-15-2009, 06:02 PM
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The earliest style tag I have found in my search is used mainly on 57/58 Fords and all the tag has on it is the RATIO nothing else. So far its a 57/58 rearend. Hope this help somewhat. Cole
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Old 06-15-2009, 06:20 PM
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i had a diff out of a chevy. from the same vintage had one hell of a time identifying it. the closest thing that it resembles to me if i squint hard at the screen is a toyota 8". but as far as i know they dont use a fill plug on the 3rd i always see it on the housing on the back it was worth a shot i guess
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Last edited by ProTracGear; 06-15-2009 at 06:30 PM.
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Old 06-15-2009, 06:37 PM
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http://www.concoursparts.com/

Look under the 1949 to 59 Ford "Big Cars" That looks real similar to a diff I had in my shop. The only way I could ID it was to get all the Brg numbers and match it up but I really never got a "model" figured out,I just got the Brg's I needed. If your needing some hard parts you may be in for a hard time finding them.

That web site is a PAIN to find anything,but its the best one I've found so far.Try searching with key words and then you will need to match up your Brg numbers.
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Old 06-15-2009, 06:37 PM
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im thinking it ford, because it has that era bolt pattern...??? this is the car link
http://i301.photobucket.com/albums/n...b240/27rat.jpg
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Old 06-15-2009, 06:42 PM
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looks like a 56 oldsmobile to me? , not a ford 9 in, they used to use the olds rearends in racing before the ford 9 in came out, I took one out of a customer streetrod last spring as it was improperly narrowed and replaced it with a 9 in ford. Are there any olds fans out there?
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Old 06-15-2009, 07:02 PM
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Some of the 1949 to 1956 Ford full size came with the Spicer 41 But I've run across some odd ball's that where not the 41.

Look on your third member and see if you can read any numbers. I have a housing here at work and the case numbers are:

WAD4025A : Located in between the third member mounting bolt holes top passenger side.
6-52: Located in between the top 2 web's on the drivers side of the third member housing. Mine also has a small tag with no model ID but with 3.78 ratio marked. This one turned out to be a real odd ball diff.
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Old 06-15-2009, 08:30 PM
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Maybe 8 3/4 Mopar?
Shane
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Old 06-15-2009, 08:55 PM
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sure looks like a common 9" to me

perfectly round shape and all.


hmm..

why is it not a 9" ?

looks identical to the ones stuck under our 69 fairlane 4 link and the 54 ford pickup also.

hmm


57 fairlane 9" 3.22 ratio:

http://www.hemmings.com/hcc/stories/...ml?t=printable

REAR AXLE

Quote:
With its rugged semi-floating axles, the ever-durable Ford 9-inch hypoid differential came with several different gear ratios depending upon the engine choice. With the straight-six/Ford-O-Matic combo, the gear ratio is 3.22:1, the 3-speed manual had a 3.89:1 ratio, and the 3-speed with overdrive used a 4.11:1 ratio.
good luck!
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Old 06-15-2009, 10:13 PM
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Quote:
Originally Posted by fast68
sure looks like a common 9" to me

perfectly round shape and all.


hmm..

why is it not a 9" ?

looks identical to the ones stuck under our 69 fairlane 4 link and the 54 ford pickup also.

hmm


57 fairlane 9" 3.22 ratio:

http://www.hemmings.com/hcc/stories/...ml?t=printable

REAR AXLE



good luck!
Not a 9 inch! There is no pinion support.
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Old 06-16-2009, 10:06 AM
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Quote:
Originally Posted by prostreet6t9
Some of the 1949 to 1956 Ford full size came with the Spicer 41 But I've run across some odd ball's that where not the 41.

Look on your third member and see if you can read any numbers. I have a housing here at work and the case numbers are:

WAD4025A : Located in between the third member mounting bolt holes top passenger side.
6-52: Located in between the top 2 web's on the drivers side of the third member housing. Mine also has a small tag with no model ID but with 3.78 ratio marked. This one turned out to be a real odd ball diff.
Thanks sor the help thus far....I'll take a look and see if I can locate any more numbers this evening.
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Old 06-16-2009, 02:25 PM
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Try posting this question over at the H.A.M.B. forum (Hokey Arse Message Board). This site is nothing but 1920's-1950's rodders, and they know all of this oddball stuff.
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