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disc brakes

Discussion in 'The Hokey Ass Message Board' started by old47, Jan 23, 2013.

  1. old47
    Joined: Jan 22, 2013
    Posts: 4

    old47
    Member

    i have a 47 dodge pickup that i need rear disc brakes on. i currently have a 8" ford rearend in it. drum brakes on the front. what years will interchange with the ford 8". thank for any help. i will try to get pics. not very computer savy.
     
  2. you want discs in the rear and drums on the front. Why?
     
  3. George
    Joined: Jan 1, 2005
    Posts: 7,979

    George
    Member

    Seriously! My '48 has '73 Cutl*** drum brakes all around. Works fine.
     
  4. 73RR
    Joined: Jan 29, 2007
    Posts: 7,342

    73RR
    Member

    ...there is a reason that the factories don't do it this way...

    .
     
  5. 36tbird
    Joined: Feb 1, 2005
    Posts: 1,179

    36tbird
    Member

    Search comments about discs in the rear and you will see that quite a few of us think that they are a pain in the rear. I put them on the 8" under my '36 pickup and although I finally got them working OK, I wish I would have just used the stock drums.
     
  6. Hackerbilt
    Joined: Aug 13, 2001
    Posts: 6,250

    Hackerbilt
    Member

    Drums front...discs rear. Not logical at all.
    Besides, with discs on the rear you have to rethink a new parking brake system when in all likelyhood the drums were set up WITH a parking brake.
     
  7. old47
    Joined: Jan 22, 2013
    Posts: 4

    old47
    Member

    well as of right now i have nothing on the back! Bought it this way. it has the drum on the front. but i would like to put disc all the way around. i have been looking at some newer cars that have the 8" ford rearend that have disc brakes. i can get these with the complete emergency brake also.
    I currently do not drive this truck. way to scary! way to much power and it barely weighs 1000 pnds.
     
  8. bcook07
    Joined: Dec 31, 2008
    Posts: 140

    bcook07
    Member
    from Illinois

    When you say "Newer" cars with the 8" how new are you refering. I am wondering if you are getting the 8" and the 8.8" rear ends confused.

    the 8.8 has a removeable cover on the diff, the 8" is like a smaller version of the 9" with removable third member. The are not the same animal.
     
    Last edited: Feb 1, 2013
  9. yeah , i'm not sure if any 8" rears came from the factory with discs?
     
  10. Well with nothing but front brakes even a banger powered tank would be scary.

    I think that you will find if you throw drums on the back and then spenmd your hard earned cash for discs on the front if you must be trendy you will be fine. You will also find that if you run drums all around and make sure that they are working properly you will be fine as well.

    It probably weighs more than 1000 lbs by the way you will have 1000 in drivetrain alone.
     
  11. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,357

    Hnstray
    Member
    from Quincy, IL

    How can you have a '47 Dodge Pickup that weighs "barely a 1000 pounds"??

    To meet that it would have to have no fenders, no bed, no seat, etc. ???

    Heck, the stock frame probably weighs 300 pounds, plus axles springs, wheels, tires, engine, trans, driveshaft, radiator coolant......you get the idea..........perhaps you meant 2000 pounds.......as the original configration would have exceed 3000 pounds.

    In any case, brakes on most any street vehicle need to be more powerful on the front for a couple of reasons. First of all, more than half the weight is usually on the front axle in static load.....then, when stopping, weight transfer places even more toward the front....and lastly, the vehicle is more directionally stable with the greater braking action on the front......if the rears lock up.....the rear of the vehicle will almost always skid sideways......not a good thing.

    Sounds like you need a bit more thoughtful, and informed, planning before going after any one part of the system.

    Ray
     
  12. Bert Kollar
    Joined: Jan 10, 2007
    Posts: 1,261

    Bert Kollar
    Member

    here's a good example of how little work the rear brakes do my buddy has 240,000 miles on his mini van, replaced the front discs many times and still has the original rear drum brakesl
     

  13. my `95 chevy S-10 went 287,000 miles on the original rear shoes
     
  14. jwray
    Joined: Jun 26, 2011
    Posts: 67

    jwray
    Member
    from Omaha, Ne

  15. George/Maine
    Joined: Jan 6, 2011
    Posts: 949

    George/Maine
    Member

    Nothing wrong with drums in back. you need a master cylinder to match.
    first see if you can get disk up front,then find out what ranger 8" you have.
    this may help find what you need.
    Representative for comparison purposes only
    Ford Outside
    Width Year Model
    56.50 1969-1977 Maverick 8"
    57.00 1974-1978 Mustang II 8"

    57.25 1965-1966 Mustang

    58.00 1964-1965 Falcon
    58.00 1977-1981 Granada/Versailles

    59.25 1967-1970 Mustang, Fairlane, Comet, Cougar
    60.00 1967 Cougar
     

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