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Username Post: Rear ends for 55 chevy convertible        (Topic#353269)
Frankman 
"2nd Year" Gold Supporting Member
Posts: 72
Frankman
Reg: 09-25-17
10-02-18 04:28 PM - Post#2747724    

Hey guy's if a guy is shopping for a 9" rear end, which cars came out with them.



 

Ecklers AutoMotive

Lead sled 
Frequent Contributor
Posts: 1899
Lead sled
Age: 58
Loc: Walton,NY.
Reg: 11-04-09
10-04-18 11:05 AM - Post#2747856    
    In response to Frankman

Older Fords had them.

Late yr model (Dec. 51 BelAir/ 52 trim), with a basically stock 67 Camaro SS350/295hp Turbo Fire Edelbrock 1405, Saginaw 4spd/355 geared 55/6 Chevy rear.2,1st place,and 1 top five award trophies so far
http://www.picturetrail.com/bris51deluxe


 
alans 55 
"17th Year" Gold Supporting Member
Posts: 3801
alans 55
Age: 70
Loc: Amarillo, Texas
Reg: 03-20-01
10-13-18 06:10 AM - Post#2748558    
    In response to Frankman

ok, here you go. info i have compiled over the years. best bolt in 9" for tri five is the 57-59 ford ranchero, others will work. here's a partial list.

should be able to find one.

alan


The information on this list was compiled by members of the Fairlane / Torino / Ranchero Mailing List. No guarantee as to the accuracy of this data.
If you have QUESTIONS about Ford 9" Rear Ends, please visit our Forum.

Year & Model Axle Length Notes
1965-1966 Mustang 57.25 inches
1967-1970 Mustang 59.25 inches
1971-1973 Mustang 61.25 inches
1977-1981 Versailles 58.50 inches
1967-1973 Mustang, Torino, Ranchero, Fairlane 59.25 inches to
61.25 inches
1957-1959 Ranchero and station wagon 57.25 inches
1966-1977 Bronco 58 inches
1977-1981 Granada/Versailles 58 inches
1967-1971 Comet, Cougar, Mustang, Fairlane 59.25 inches
1971-1973 Mustang 61.25 inches
1964 Falcon 58 inches
1967 Cougar 60 inches
1967 Fairlane 63.50 inches coil springs
1972 Ford Van 3/4 ton 68 inches
1973-1986 Ford Van 3/4 ton 65.25 inches
1957-1959 Ranchero and station wagon 57.25 inches narrowest 9" housing
1966-1977 Bronco 58 inches 5-on-5 1/2 inch diameter bolt circle
1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or
61.25 inches
1967-1971 Comets, Cougars, Fairlanes 59.25 inches
1975 Mustang II 8" 57.00 inches
1974 Maverick 8" 56.50 inches

Ford 9”
_________________________ _______________
[ Housing Info | Center Section(Third Member) | Auto Adjuster Conversion | ID Tags | Other Resources ]
[ Pinion Info | Mustang II 4 Lug to 5 Lug Conversion | 8.8 Ford Tag Decoding | Credits | Disclaimer ]
_________________________ _______________
Housing Identification
• 57 - no dimples, flat center band up the center of the rear cover, bottom drain plug.
• 58-59 - two dimples on back of housing, flat center band, some had drain holes.
• 60-67 - two dimples, flat center band, oil level hole in back cover.
• 63-77 Lincoln, LTD, Thunderbirds had 9.375 inch centers, housings were cut away at the gasket surface for ring gear clearance, one curved rib at the front top portion of differential, strong but no aftermarket gear sets.
_________________________ _______________
Strength - There are four usable styles you can find in a junk yard. They range from light duty to extreme duty but in all cases the larger 31 spline axle versions are stronger than the 28 spline version of the same unit.
• The 67-73 Mustang type is considered light duty uses both axles.
• The 57-68 early passenger car and half-ton pickup rear end is considered a medium duty unit and came in both 28 and 31 spline axles.
• The 70-79 Ranchero/Torino are considered a high performance unit again being produced with both 28 and 31 spline axles.
• The 69-77 Galaxie/Lincoln and 73-86 half-ton pickup used both size axles and the 31 spline version should be considered the strongest available and can be used for extreme duty applications.

There are two ways that are used to measure a 9" rear end. The first is to measure from the wheel mounting surface to the same place on the other side. This is the most consistent way as it gives you the distance between the wheel mounting points. The second way is to measure the flange on the housing that the backing plate and axle retaining flange bolt to. This way is not as accurate. The reason that it isn't is because there are different thicknesses of brake shoes that cause the backing plates to move in or out to accommodate the shoe thickness.
Width: from wheel mounting flange
to wheel mounting flange (X) Width: from housing flange
to housing flange (Y)
• 1957-59 Ford - 57 1/4"
• 60-64 Ford 61 1/4"
• 57-59 Ranchero and SW - 57 1/4"
• 1964-71 Full sized cars - 61"
• 1979-81 Lincoln Versailles - 58 1/2"
• 1972-79 Ford intermediate & Full Size - 63"
• 70-79 Ranchero/Torino - 63"
• 57-72 F-100 Pickup - 61 1/4"
• 73-86 F-150 Pickup/78-86 Bronco - 65-65 1/4"
• 66-77 Bronco - 58"
• 1977-86 Ford E-150 - 69 1/4"
• 77-81 Granada/Versailles - 58 1/2"
• 67-70 Mustang/Cougar/Fairlane/C omet/Falcon - 59 1/4"*
• 70-73 Mustang family - 61 1/4"*
• 69-77 Galaxie/Lincoln - information not given but in any case it will need to be narrowed for use in a street rod. • 57-59 Ford/Edsel - 52"
• 60-64 Ford/Mercury - 54-56"




• 70-79 Ranchero/Torino - 56"
• 57-72 F-100 pickup - 57"
• 73-86 F-150 pickup/78-86 Bronco - 58 3/4"
• 66-77 Bronco - 46"


• 67-70 Mustang/Cougar/Fairlane/C omet/Falcon - 52-54"
• 70-73 Mustang family - 54"

• 58-60 Thunderbird - 50"
• 65-66 Mustang - 52"
• 66-69 Cyclone - 52"
• 61-67 Thunderbird - 56"


X in the picture about denotes the measurements listed above left. Y in picture above denotes the measurements listed above right
* Denotes a gray area involving some of the earlier parts being found on 70 Model year cars.
Note:After 1970 all axles were the 31 spline style big axles. For 28 spline units the last 4 inchs were machined down for the 28 spline ends. If you shorten the axles more than 4 inches they are big enough to take 31 spline.
_________________________ _______________
Conversion from 28 Spline to 31 Spline | Back to top
_________________________ _______________
To change the third member to 31 spline, the only parts needed are the differential side gears, they are available from Ford, about $20 apiece. The other part of the conversion is the carrier bearing size. There are two carrier bearing inside bore sizes, and two carrier bearing outside bore sizes. There are three possible combinations, small ID-small OD , large ID-small OD , and large ID-large OD. Factory 31 spline axles came with the last two bearing configurations, but not with the first. On 28 spline carriers, the axle bore on some of them are not large enough to allow the 31 spline axles to pass through. The carriers with the large ID bearings can be bored out to use the 31 spline axles. Not a precision job, just big enough for the axle to pass through, I use a cut off end from a 31 spline axle to check when it's large enough. I takes less than an hour to do both sides, and could be done at a vocational school by a novice. The small ID bearings won't have enough material left for reliability if bored out for 31 spline axles. Also if your housing has the small axle bearings, you will have to have axles custom made, as there are no factory axles with 31 splines, and small axle bearings. Both the large axle bearing, and the extra large axle bearing (some F150 trucks) had 31 spline factory applications. From about 1970 on, the big Fords, Mercury's, and Lincoln's has axles big enough to respline with 31 splines if they are shortened about 4" per side. Both 4 1/2" and 5" bolt patterns are available. If you want to redrill to a 4 3/4" Chevy bolt pattern, use truck axles, as there is more room for the new pattern without hitting the other holes. The drum pilot may have to be turned down, depending on the drum used. The Chevy drums of corresponding size to the ford brakes will fit if the pilot is turned down.
_________________________ _______________
Converting manual adjusters to later model auto-adjuster brakes | Back to top
_________________________ _______________
Use Wagner #283 shoes, drilled for the self adjuster mechanism, use Wagner self adjuster kit F98370/1, and wagner Combikit F87351. That should supply all the parts you need. These parts are listed for a F100 with 11" by 1 3/4" brakes.
_________________________ _______________
Pinions | Back to top
_________________________ _______________
Daytona Pinions first available on with 63-64 427 full size cars, and other rare ultra Hi-po cars.
_________________________ _______________
Ford Carrier ID Tags | Back to top
_________________________ _______________
Below are 2 tables showing the codes from the tag on a ford rearend the code will tell you if it is a 8 or 9 inch and what ratio is supposed to be in the carrier
_________________________ _______________
[ 8 inch | 9 inch ]
_________________________ _______________

8 inch ID tag numbers
ID tag Ratio Ring Gear Diameter (in) ID tag Ratio Ring Gear Diameter (in)
WCZ-E 2.80:1 8 WCZ-F 3.00:1 8
WCZ-F1 2.80:1 8 WCZ-G 3.50:1 8
WCZ-V1 2.79:1 8 WCZ-W 3.25:1 8
WDW-Z 3.00:1 8 WDJ-B 2.80:1 8
WDJ-C 3.00:1 8 WDJ-C1 3.00:1 8
WDJ-C2 3.00:1 8 WDW-AB 2.79:1 8
WDY-AA 3.00:1 8 WDY-HH 3.40:1 8
WFL-A 3.00:1 8 WDY-S 3.40:1 8

9 inch ID tag numbers
ID tag Ratio Ring Gear Diameter (in) ID tag Ratio Ring Gear Diameter (in)
WDM-AH 3.25:1 9
WCZ-S 3.50:1 9 WCZ-T 3.50:1 9
WDC-DW 2.75:1 9 WDC-EB 2.75:1 9
WDC-EE 3.00:1 9 WDC-EH 2.75:1 9
WDC-EK 3.00:1 9 WDC-EL 2.50:1 9
WDC-EM 2.50:1 9 WDX-E 2.75:1 9
WCZ-H 3.89:1 9 WCZ-J 4.11:1 9
WCZ-P 3.50:1 9 WCZ-R 3.89:1 9
WFU-E 4.30:1 9 WEB-BF 2.50:1 9
WEB-BK 3.00:1 9 WEB-BM 2.75:1 9
WES-F 3.00:1 9 WES-G 3.25:1 9
WES-H 3.50:1 9 WES-J 3.89:1 9
WES-K 3.50:1 9 WES-M 3.25:1 9
WES-N 3.00:1 9 WES-P 3.25:1 9
WES-R 3.25:1 9 WES-T 2.75:1 9
WES-T1 2.75:1 9 WES-U 3.50:1 9
WES-V 3.00:1 9 WES-Y 3.50:1 9
WES-Z 3.00:1 9 WES-AA 3.00:1 9
WES-AB 3.25:1 9 WES-AC 3.00:1 9
WES-AD 3.25:1 9 WES-AE 3.50:1 9
WES-AG 2.75:1 9 WES-AH 3.00:1 9
WES-AJ 3.25:1 9 WFA-AA 3.00:1 9
WFA-AH 3.00:1 9 WFA-AL 2.75:1 9
WFB-A 3.25:1 9 WFB-C 3.25:1 9
WFB-D 3.00:1 9 WFB-G 2.50:1 9
WFB-K 2.50:1 9 WFD-A 3.50:1 9
WFD-B 3.91:1 9 WFD-C 4.30:1 9
WFD-D 3.91:1 9 WFD-E 4.30:1 9
WFD-F 3.50:1 9 WFD-J 3.25:1 9
WFD-K 3.00:1 9 WFD-L 3.00:1 9
WFD-M 3.25:1 9 WFG-AL 3.00:1 9
WFG-AA 2.75:1 9 WFG-BJ 2.75:1 9
WFV-T 2.75:1 9 WFY-A 2.75:1 9
WFY-K 3.00:1 9 WGB-V 2.75:1 9
WGB-W 3.00:1 9 WGB-AB 2.50:1 9
WGB-AD 2.75:1 9 WGC-A 2.75:1 9
WGC-K 2.50:1 9 WGC-N 2.75:1 9

_________________________ _______________
Mustang II 4 Lug to 5 Lug Conversion Interchange
_________________________ _______________

Ok, here is what I know. There is no direct interchange to a 74 to 77 Mustang II 8" rear.
1. However, the axles in a Maverick are 17/64" shorter on the right side, and 9/64" shorter on the left side. These will probably work.
2. Better yet, the axles from a 63 to 65 Falcon, Comet, or Fairlane, or a 64 to 66 Mustang with 8" axles are 1/4" too long on the right side, and 3/8" too long on the left side. Measuring several axles I found all of them had enough splines to be shortened this much. And it doesn't have to be done on a lathe, it could be done with a Skil saw and abrasive wheel, then rechamfer the end of the axle.
3. Also 57 to 59 Ford with a Non-heavy duty axle, everything except police, taxi, wagons, ranchero, and some convertibles, are 9/16" too long on the right, and 3/8" too long on the left. Again the axles can be shortened that much without hurting the spline length. The wheel bearing to flange length on all these are the same, and Maverick drums will work with the Mustang II brakes. All of them use the same wheel bearing, and bearing retainer. The bearing collar on some is different OD, but will interchange on the axles.
4. I suspect, that Granada and Monarch axles will fit with minor shortening also, they are in the range of the 57 to 59 ford, but I couldn't find a listing in the books I had.

9" rear axle lengths
_________________________ _______________
• 65-66 Mustang 57.25 inches
• 67-70 Mustang 59.25 inches
• 71-73 Mustang 61.25 inches
• 77-81 Versailles 58.50 inches
• 67-73 Mustang, Torino, Ranchero, Fairlane 9" 59.25 inches to 61.25 inches
• 57-59 Ranchero and station wagon rears, 57.25 inches
• 66-77 Bronco 9", 58 inches
• 77-81 Granada/Versailles, 58 inches
• 67-71 Comet, Cougar, Mustang, Fairlane, 59.25 inches
• 71-73 Mustang, 61.25 inches
• 64 Falcon 58 inches
• 67 Cougar 60 inches
• 67 Fairlane 63.50 inches (coil springs)
• 72 Ford Van 3/4 ton 68 inches
• 73-86 65.25 inches
• 57-59 Ranchero and station wagon 57.25 iches (narrowest 9" housing)
• 66-77 Bronco 58 inches but has 5-on-5 1/2 inch diameter bolt circle
• 67-73 Torinos, Rancheros, Fairlanes 59.25 inches or 61.25 inches
• 67-71 Comets, Cougars, Fairlanes 59.25 inches
_________________________ _______________
Where to find the 9" rear axle
• 67-73 medium and big block Mustangs and Cougars
• 66-71 Fairlanes, Torinos, Montegos, Comets, and other Ford intermediates with big blocks
• 57-59 V8 Fords and Mercurys
• 77-81 Lincoln Versailles & Trucks
• 70-72 F100 2WD Trucks
_________________________ _______________
Type of 9" axle housings
• 67-73 Mustang/Cougar - light duty, thinnest housing material, small axle bearings, 28 and 31 splines
• 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang type, 28 and 31 splines
• Ranchero/Torino - heavy duty thick wall housing, 3.25 inch diameter axle tubes with flat tops
• 69-77 Galaxies (coils), Lincolns (coils), and late pickups (leaf)- 3.25 inche dimeter all the way to the backing plate, coil housings have upper control arm mount
_________________________ _______________
How to recognize 9" housing centres
• 57 - no dimples, flat center band up the center of the rear cover, bottom drain plug
• 58-59 - two dimples on back of housing, flat center band, some had drain holes
• 60-67 - two dimples, flat center band, oil level hole in back cover
• 63-77 Lincoln, LTD, Thunderbirds had 9.375 inch centers, housings were cut away at the gasket surface for ring gear clearance, one curved rib at the front top portion of differential, strong but no gears
_________________________ _______________
9" rear axle lengths
_________________________ _______________
• 65-66 Mustang 57.25 inches
• 67-70 Mustang 59.25 inches
• 71-73 Mustang 61.25 inches
• 77-81 Versailles 58.50 inches
• 67-73 Mustang, Torino, Ranchero, Fairlane 9" 59.25 inches to 61.25 inches
• 57-59 Ranchero and station wagon rears, 57.25 inches
• 66-77 Bronco 9", 58 inches
• 77-81 Granada/Versailles, 58 inches
• 67-71 Comet, Cougar, Mustang, Fairlane, 59.25 inches
• 71-73 Mustang, 61.25 inches
• 64 Falcon 58 inches
• 67 Cougar 60 inches
• 67 Fairlane 63.50 inches (coil springs)
• 72 Ford Van 3/4 ton 68 inches
• 73-86 65.25 inches
• 57-59 Ranchero and station wagon 57.25 iches (narrowest 9" housing)
• 66-77 Bronco 58 inches but has 5-on-5 1/2 inch diameter bolt circle
• 67-73 Torinos, Rancheros, Fairlanes 59.25 inches or 61.25 inches
• 67-71 Comets, Cougars, Fairlanes 59.25 inches
_________________________ _______________
Where to find the 9" rear axle
• 67-73 medium and big block Mustangs and Cougars
• 66-71 Fairlanes, Torinos, Montegos, Comets, and other Ford intermediates with big blocks
• 57-59 V8 Fords and Mercurys
• 77-81 Lincoln Versailles & Trucks
• 70-72 F100 2WD Trucks
_________________________ _______________
Type of 9" axle housings
• 67-73 Mustang/Cougar - light duty, thinnest housing material, small axle bearings, 28 and 31 splines
• 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang type, 28 and 31 splines
• Ranchero/Torino - heavy duty thick wall housing, 3.25 inch diameter axle tubes with flat tops
• 69-77 Galaxies (coils), Lincolns (coils), and late pickups (leaf)- 3.25 inche dimeter all the way to the backing plate, coil housings have upper control arm mount
_________________________ _______________
How to recognize 9" housing centres
• 57 - no dimples, flat center band up the center of the rear cover, bottom drain plug
• 58-59 - two dimples on back of housing, flat center band, some had drain holes
• 60-67 - two dimples, flat center band, oil level hole in back cover
• 63-77 Lincoln, LTD, Thunderbirds had 9.375 inch centers, housings were cut away at the gasket surface for ring gear clearance, one curved rib at the front top portion of differential, strong but no gears
_________________________ _______________
Types of 9" Axles
• 28 spline axles cannot be shortened and resplined (they're tapered)
• 72 and earlier 31 spline axles have the ability to be shortened
• 73 and later 9" (cars) have a 5-on-5 bolt circle and the axles cannot be shortened
• 67-73 Mustang axles identified by wheel flange:
o oval hole - 28 splines
o two large holes and counter sunk center - 31 splines
I have been told that a complete 9" rear axle weighs an even 200 lbs. It weighed 168 minus drums. This is a complete 9" with center section, brakes, everything. It was 56" wide from backing plate to plate. It's the small web housing with the tapered tubes found on early Mustangs. Included in the weight is a non nodular center section, gutted carrier with mini spool, 28 spline non-tapered axles and 10" finned drums.
As a side note, a 9" complete rear axle is approximately 35 pounds heavier than an 8.8 rear axle with approximately the same components.



Cruzin the Texas Panhandle,1/2 way between somewhere and 1/2 way between nowhere
www.picturetrail.com/alanan55
Drivin'my 55 Chebby 210, 355ci 4sp ,9" and playing w/my
40 Ford coupe 327/4sp/9" found and brought back home after 35 years


 
Frankman 
"2nd Year" Gold Supporting Member
Posts: 72
Frankman
Reg: 09-25-17
10-13-18 08:01 PM - Post#2748617    
    In response to alans 55

Well sir you have given me so much info, I can see that I'm that I'm to have to do a lot of research before I buy. I've been trying to figure out if I shouldn't just buy one from danchuk. I do appreciate all the info and hope to stay in touch. Enjoy driving your 55 chubby it's very nice. Hope to drive mine in a couple of years.



 
Jims56chevy 
Frequent Contributor
Posts: 2428
Jims56chevy
Age: 64
Loc: chino valley az
Reg: 11-23-04
10-30-18 10:57 AM - Post#2750006    
    In response to Frankman

  • Frankman Said:
Hey guy's if a guy is shopping for a 9" rear end, which cars came out with them.



Why do you think you need a ford 9" r/e?

56 210 2dr


 
Frankman 
"2nd Year" Gold Supporting Member
Posts: 72
Frankman
Reg: 09-25-17
10-30-18 07:39 PM - Post#2750051    
    In response to Jims56chevy

Don't know that I need one, It just seems that that's what everybody goes to for handeling the torque. So I figured that's what I would install. I think I'm going to install a Z6 GM crate engine just a little over 400 horse, do you think I'm over doing it.



 
4dr 57 
Valued Contributor
Posts: 4546
4dr 57
Loc: Texas Hill Country
Reg: 11-10-04
11-07-18 08:26 PM - Post#2750737    
    In response to Frankman

You may want to ask yourself what you want to do with the car.
The common street/strip car answer will be disappointing on both ends. Choose one and build the car with that goal in mind.

IMO a 55 r/e is not a performance axle assembly compatible with 20th Century engines.

Search; GM 12 bolt out of a car.











 
Frankman 
"2nd Year" Gold Supporting Member
Posts: 72
Frankman
Reg: 09-25-17
11-08-18 06:31 PM - Post#2750829    
    In response to 4dr 57

That's pretty much what I was thinking, that's why I was thinking about changing it. Thanks for your reply. Anyway I'm building a car for the street but I want to make sure the rear end holds up.



 

Ecklers AutoMotive

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