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14bff DRUM identification?

Discussion in 'The Garage' started by MattK, Nov 6, 2005.

  1. MattK

    MattK 1/2 ton status

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    hey guys, im plannin on puttin new shoes in my 14bff pretty soon and im wondering if anyone can point me in the right direction as far as ID'n my 14b brakes.

    i know there are a few different sizes and id imagine they have a diff shoe for each size right?

    thanks in advance for any help.
     
  2. sandawgk5

    sandawgk5 3/4 ton status

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    It is pretty obvious on the difference. There is a 13X2.5 and a 13X3.5. The 3.5" wide drums are F&^%ING huge. If you already have the old set of shoes just measure the width. If it came from a 3/4 ton it is most likely 2.5" wide and if from 1 ton most likely 3.5" wide.

    Ira
     
  3. MattK

    MattK 1/2 ton status

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    thanks for the help. if there are only those 2 sizes im certain i got the 3.5. i saw my axle sit next to another 14bff and my brakes were definitely bigger.

    thanks again dude
     
  4. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    There is also a 14ff with 11" brakes and one with 13" brakes but from the sounds of it you have the 13" brakes now it's just a matter of the width.
     
  5. UseYourBlinker

    UseYourBlinker 1 ton status

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    :hi jacked: do the disc swap :hi jack off: ;)
     
  6. MattK

    MattK 1/2 ton status

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    i completely agree. just dont have the cash for that yet. itll happen as soon as i find some caddy calipers.
     
  7. UseYourBlinker

    UseYourBlinker 1 ton status

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    When said and done..

    DIY bracket's $67
    Rotor's $100
    Calipers $60
    4x4High lunch priceless....LOL

    It was about $300 total.
     
  8. beater_k20

    beater_k20 Banned

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    :haha: :haha: :haha:
     
  9. MattK

    MattK 1/2 ton status

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    where'd you find those calipers for 60 bucks?

    and how would you suggest getting them? junkyard and swap as cores?
     
  10. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    Eric doesn't have caddy calipers. Your best bet though is the wrecking yards and buy a set of caddy calipers and if they don't leak run them or use them as cores since the caddy calipers aren't cheap either is the core charge, the last i remember the core was more than the caliper.
     
  11. sweetk30

    sweetk30 professional hooker Premium Member

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    i had a factory 3/4 ton with 13" dia 3.5 wide shoe setup. :D
     
  12. koldsimer

    koldsimer 1/2 ton status GMOTM Winner

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    Hey Matt. If I recall correctly, the 3.5"x13" drums cam off of CUCV's only. I'm sure somebody will tell ya if that's wrong. I have the 3.5" wide brakes and they are too strong for my blazer- panic brake and the back locks right up. I need to run a proportioning valve in line to fix it.
     
  13. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    My 14ff came from a 1986 2wd burb with 454/TH400 and it had 13" x 3.5" brakes.
     
  14. sandawgk5

    sandawgk5 3/4 ton status

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    I guess I kinda miss spoke. The size of the brakes is determined by the brake code i.e jb5,6,7 or 8 JB6 is disc front and 13X2.5 rear with vacuum booster, JB7 is disc front with 13X3.5 rear with vacuum booster and JB8 is dana 60 disc front with 13X3.5 rear with Hydroboost. I was not aware of the JB7 option on 3/4 ton but I recall out 1980 CC camper special had 13X3.5 rear drum.

    Ira
     
  15. MattK

    MattK 1/2 ton status

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    well i guess ill just get off my ass this week and measure them myself lol.
     

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