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Projects Need help to ID 8" rear.

Discussion in 'Traditional Hot Rods' started by Modelafish, Mar 6, 2018.

  1. Modelafish
    Joined: Mar 6, 2018
    Posts: 15

    Modelafish

    I've been reading posts on here for years, but finally needed help and joined. My most recent version of my 31 Model A was started about 35 years ago. TCI frame, Total Performance tube axle, 351 Cleveland, etc. After spending all my money on the engine, everything else was pretty low budget. Even then, 9 in rears were hard to find and pricey, so I settled for an 8 inch. After sitting in the garage for 15 years, I finally retired and have time to work on it again. I pulled the rear drums tonight, and the shoes were covered in oil. The whole thing is a greasy mess. I don't think Brakleen is up to the task of salvaging these. Problem is, I don't remember what the rear end came out of ! (I bought it from the local Nickel paper. No Craigslist yet.... ) Twenty years ago I changed out the pumpkin to a 3:55 gear, so the tag won't help. Drums are 10 inch inside diameter, and shoes are 2 in wide. It does have automatic adjusters. Will that be enough to get the right part? The axle flange has "C60W5 and R or B" on it.
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 47,508

    squirrel
    Member

    try 1978 Granada, see how far you get.

    If it had a tag on one of the nuts holding the center section in, it would be easier to figure out. but most guys toss them, especially when changing gear ratios. Not thinking ahead that it will also identify the car the brakes came from.
     
  3. bossman47
    Joined: Feb 11, 2009
    Posts: 11

    bossman47
    Member

  4. Photo's might help with identification.

    This is a list of Ford rear's that may help.HRP

    Ford
    Outside
    Width
    Year Model
    56.50 1969-1977 Maverick 8"
    57.00 1974-1978 Mustang II 8"
    57.25 1957-1959 Ford, Ranchero, Station Wagon
    57.25 1965-1966 Mustang
    58.00 1966-1977 Bronco
    58.00 1964-1965 Falcon
    58.00 1977-1981 Granada/Versailles
    58.50 1977-1981 Versailles
    58.50 1993-2009 Ford Ranger 8.8"
    59.25 1967-1970 Mustang, Fairlane, Comet, Cougar
    59.81 1995-2003 Ford Explorer 8.8" 31 Spline Disc Brake
    60.00 1967 Cougar
    60.00 1958-1960 Edsel
    61.00 1964-1971 Ford Full Size
    61.00 1949-1951 Mercury
    61.25 1957-1972 Ford F-100 Pickup
    61.25 1960-1964 Ford Full Size
    61.25 1971-1973 Mustang
    61.25 1967-1973 Torino, Ranchero, Fairlane
    63.00 1970-1979 Ranchero & Torino
    63.00 1972-1979 Ford Full Size & Intermediate
    63.50 1967 Fairlane (Coil Springs)
    65.25 1973-1986 Ford F-150 Pickup
    65.25 1978-1986 Bronco
    65.25 1973-1986 Ford Van 3/4 Ton
    68.00 1972 Ford Van 3/4 Ton
    69.25 1977-1986 Ford E-150 Van
     
    Hnstray and sloppy jalopies like this.

  5. roundvalley
    Joined: Apr 10, 2005
    Posts: 1,773

    roundvalley
    Member

    Are axels 4 stud or 5.
     
  6. 31Apickup
    Joined: Nov 8, 2005
    Posts: 2,471

    31Apickup
    ALLIANCE MEMBER

    Maverick is the best fit for a Model A, I would base it on that. My understanding is just about all 8" rear end brakes are interchangeable, Small bearing 9"rear brakes also work.
     
  7. Mark T
    Joined: Feb 19, 2007
    Posts: 1,875

    Mark T
    Member

    With the axle flange number starting with C6 could indicate that its from 1966, possibly Mustang.

    Mid 60's 8'' rears had axle tubes that neck down, I think Ford stopped doing this in the mid 70's.

    [​IMG]
     
    cracker head likes this.
  8. 31Apickup
    Joined: Nov 8, 2005
    Posts: 2,471

    31Apickup
    ALLIANCE MEMBER

    Maverick rears are 56" wheel mounting flange to wheel mounting flange.
     
  9. squirrel
    Joined: Sep 23, 2004
    Posts: 47,508

    squirrel
    Member

    my suggestion was based on finding an 8" application that had the 2" wide brakes, but I could be wrong.

    Most have 1 3/4" wide brakes
     
  10. Friend had an 8" out of a Granada that had 10" x 2" rear brakes.
     
  11. Modelafish
    Joined: Mar 6, 2018
    Posts: 15

    Modelafish

    It's 5 stud, no taper on axle shafts, and here's a picture of the axle end. IMG_0196.JPG
     
  12. squirrel
    Joined: Sep 23, 2004
    Posts: 47,508

    squirrel
    Member

    go get some new brake shoes for a Granada, see if they work.
     
  13. Modelafish
    Joined: Mar 6, 2018
    Posts: 15

    Modelafish

    It sticks in the back of my mind that I DID save it, but we moved last year , and a lot of old stuff got tossed......
     
  14. deathrowdave
    Joined: May 27, 2014
    Posts: 2,369

    deathrowdave
    ALLIANCE MEMBER
    from NKy

    Measure the drum , diameter and surface where the shoe hits when applying the brakes should define what size brake shoes are on the axle .


    Sent from my iPhone using The H.A.M.B. mobile app
     
    warhorseracing likes this.
  15. squirrel
    Joined: Sep 23, 2004
    Posts: 47,508

    squirrel
    Member

    Measuring the width of the shoes is a better way to decide what shoes it takes. The drum is usually a bit wider, perhaps 1/4".

    He has the old shoes, it's not a big deal to match them up at the parts store, assuming the parts store stocks the shoes that fit cars that old.
     
  16. Modelafish
    Joined: Mar 6, 2018
    Posts: 15

    Modelafish

    After browsing thru various models on the RockAuto site, there seems to be a bit of variation on wheel cylinder diameters, too. So it seems the best course is to take an old shoe and cylinder down and see if I can find a willing employee to start matching up. I can start with the Granada, then go to Comet, Mustang, Maverick, etc. There shouldn't be a HUGE difference thru the years on these; it's just that most application charts don't specify if it's an 8 inch or 9 inch. If I'm lucky, maybe I can uncover an old part number. Thanks for the help.
     
  17. squirrel
    Joined: Sep 23, 2004
    Posts: 47,508

    squirrel
    Member

    Do most of your matching up on rockauto, they list dimensions, you can measure dimensions. These days, I like to go to the parts store armed with a part number, as well as an application. There are still a few countermen who understand how to figure out what part you need, they're getting rare.
     
    deathrowdave likes this.
  18. 41rodderz
    Joined: Sep 27, 2010
    Posts: 5,386

    41rodderz
    Member
    from Oregon

    Lol on that Jim. I went into a parts store for a carb rebuild kit for athe larger buick nailhead 2 barrel and the young guy said it was not listed on the computer. Finally the manager showed up and grabbed the book and told him look . :rolleyes:
     
    squirrel likes this.
  19. studebaker46
    Joined: Nov 14, 2007
    Posts: 670

    studebaker46
    Member

    your best bet is to clean it all up and take the brake shoes to a napa stor and hope they have an older guy to look it up for you my local napa still has a couple guys that can use a catalog Tom
     
  20. 10" x 2" rear drums were pretty much standard on all Ford 8" rears except for some of the heavier intermediate cars in the late '60s/early '70s. Wheel cylinders on the other hand varied from car to car, although there's not a wide range of sizes. Keep in mind that Ford didn't use the 8" behind anything bigger than the 302 or in any full-size car, so asking for rear brakes off nearly any small V-8 powered small/intermediate Ford product in those year ranges should get you what you need.
     

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