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1961 Ranchero Reaer End ID

 
  #1  
Old 03-22-2011, 10:46 AM
BullDad
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1961 Ranchero Reaer End ID

Just pulled the tag off my Rancho...
Cant find similar #'s anywhere.....They are as follows:
CIDD 4001 Y 142
3.50 D4TE OM

Am sure it's a 3.50:1...But past that i am lost...

No wb??? or anything like that.
Any input is very welcome.
 
  #2  
Old 03-22-2011, 03:10 PM
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well...drawing a BLANK on the CIDD......
the 3.59 I know to be the ratio....
AND the D4TE is ..."DATE".......December.
But all the numbers i find start with W.....
Why does this one have a "C"...?
Oh yeah...The door plate says the axle is a "J" code for locking differential...BUT IT'S NOT.......What is the deal with that?
 
  #3  
Old 03-23-2011, 01:00 AM
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Can you post a picture of the tag?

Is this an integral carrier axle?

Possibly a 7 1/4" ring gear, non-ls, 24 spline axle shaft unit, similar to the 6 3/4" and 7" units used in those vehicles.

The closest I find is

D4TE-xxxx is usually found as a casting number.

D would be 1970s, 4 would be 1974, T would be truck, E woud be engine...that makes no sense.

Date codes are usually like so: 5 K 12, where:
5 is the year, K is the month, (October), 12 is the day.

See this for more and the examples:

Classic Mustang Part Number Decoding Guide


And other code and misc. info:

https://www.ford-trucks.com/forums/3...6-10-06-a.html
 
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Old 03-23-2011, 02:51 PM
BullDad
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Sorry...Gotta figure this thing out first...
Then maybe i can get a pik up 4 U.
 
  #5  
Old 03-27-2011, 05:36 AM
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C1DD-4001-Y =

1961 Falcon Station Wagon or Ranchero 144 I-6 3.50-1 w/a 6 3/4" or 7" ring gear.

1961 Falcon (all) 170 I-6 3.50-1 w/a 7 1/4" ring gear.

Both: C0DZ-1225-C .. Axle Bearing / Marked with Bearing Industry number: RWF34R / 2 43/64" O.D. / 1 21/64" I.D.

J = 3.50-1 without Limited Slip.

0M = Axle assembled December (M), 1960 (0).

Info source: 1960/68 Ford Passenger Car Parts Catalog.
 
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Old 03-28-2011, 02:50 PM
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HUGE HELP ! ! !

Awesome...!!! Thanx !!!
Cant help it....I just love old fords!!!
 
  #7  
Old 04-01-2011, 11:22 AM
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65 Fairlane 500

found a Fairlane 500 with a 2.80:1 rear end...
And a 83 LTD but with springs instead of leafs...Purty sure i can weld on shock plates...If it is the right width
 
  #8  
Old 04-01-2011, 11:26 AM
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The Fairlane, if a V8...will have an 8" rear axle (looks similar to a 9").

1983 LTD: This is a mid-sized Fox bodied car (I bought one brand new), it's not a Crown Vic. The LTD was renamed Crown Vic in 1982.

The rear axle is Ford's 7.5" integral first offered in 1978. The 200 I-6 was only offered in 1983.
 
  #9  
Old 04-01-2011, 12:14 PM
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Do you think it possible to exchange the 7.25 in my Rancho for one of these?
And true....it is not a crown vic...and it does have the 200..
BTW is the trans in it elec shift?
 
  #10  
Old 04-01-2011, 12:56 PM
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The trans is a C5, a modded by Ford C4. No AOD's w/a 200. Dunno if the rear axle will fit.

I noticed your 200 ref in another thread, added the info into this one.

1983: The 200 and awful 3.8L V6 were all that were available. The 302 was an option beginning in 1984, the 3.8L was standard. LTD cancelled after 1986.

1985/86: There was a police cruiser option (sedans & station wagons), also available to the public...came with the same 302 hipo used in Mustang's and Mark VII LSC's.
 
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Old 04-01-2011, 01:06 PM
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She deffienitwly has a 200....
Looks like the 66' 200 i have in my 64' has a dual bolt pattern(casting # C6DE-6015-B)
 
  #12  
Old 04-01-2011, 01:09 PM
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200 introduced in 1964 along with the C4. But, the C4 wasn't available in Falcon's until 1965.

1964 Falcon: You were stuck with the anemic 2 speed Ford-O-Matic...even w/a 260.
 
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Old 04-01-2011, 01:20 PM
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yup...stock Fordo in her now...
The 66' 200 was likely put in after someone tried to take her out on the hiway and found out too late that wasnt the original intention for these "compacts"...lol
Anywho....
I am hoping to come across a SROD for this 66' block. Will the high mount starter be an issue?
When i get the "new" engine/trans here i hope the center link will work.
Probably gonna change the rear gear to a 3-1 or 3.03 - 1 for some better hiway cruising
 
  #14  
Old 04-01-2011, 05:06 PM
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Ford RUG SR-OD: "Weak sister" single rail 4 speed overdrive, originally designed for and installed in Granada's with 200/302's in an effort to improve fuel economy after the first Arab Oil Embargo ended (1974).

Ford began installing them in F100/150's, Econolines, Fairmont/Zephyr's in 1978 for the same reason: Better MPG. Replacement parts are slim and none, expensive when you do find them.

The end of the shifter fits into a plastic bushing that was notorious for breaking. Lotsa luck finding any, it's been obsolete for decades and what NOS was layin' around has mostly been bought up.
 
  #15  
Old 03-11-2013, 11:51 AM
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Does anybody have any idea how well the 7 1/4" diff in my '61 Ranchero will hold up with a 289 cid replacement engine.
 

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