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12 bolt disc conversion. yes, I searched.

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by MOABDADC22, Dec 1, 2004.

  1. MOABDADC22

    MOABDADC22 1/2 ton status

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    Does anyone have a list of parts needed to do an inexpensive (ie, cheap) rear disc conversion on a 12 bolt?

    I manage the local autozone, so I can get screaming deals on parts.
     
  2. smokkey1

    smokkey1 1/2 ton status

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  3. Stomper

    Stomper ΜΟΛΩΝ ΛΑΒΕ GMOTM Winner

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    And this is the thread in the Bloody knuckle clickorama
     
  4. ColAdo82K5

    ColAdo82K5 1/2 ton status

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    I'm in the process of finishing this version up. It's the Autozone version...
    http://www.wrath.com/4x4/tenboltreardiscbrakes.htm
    If you are using 10bolt calipers for this...try using 84 cavilier brake hoses and banjo bolts.
    (the link is to the 10bolt version, but the 12 is the same thing.)
    Any backing plate will work, I'm using old 10 bolt ones. I removed the dust sheild from them.
    Blake
     
  5. mrk5

    mrk5 The Sticker Guy Moderator Vendor GMOTM Winner Author

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    I have this one marked as favorite: brakes

    It's the same one that ColAdo82K5 linked. /forums/images/graemlins/doah.gif
     
  6. MOABDADC22

    MOABDADC22 1/2 ton status

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    How does the caliper attach to the backing plate?
     
  7. Bubba Ray Boudreaux

    Bubba Ray Boudreaux 1 ton status

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  8. ColAdo82K5

    ColAdo82K5 1/2 ton status

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    The backing plates that are used for the conversion are stock FRONT ones...
    SO. That means that they use stock front hardware, i.e. the allen head guide pins and bushings.

    Blake
     
  9. CyberSniper

    CyberSniper 1/2 ton status Premium Member

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    I demand a $10 royalty for using my tech article. haha.

    Yes, you use a front 6 lug D44/10 bolt backing plate. There are 3 generations of these.

    I like G-body hoses because they're nice and short (and cheaper than anything else I found). Less rubber = less expansion.

    Pretty simple... just time consuming.
     
  10. ColAdo82K5

    ColAdo82K5 1/2 ton status

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    I've seen the G-Body ones, but ran across the early 80's chevy cav brakes hoses while selling them. They are even shorter and don't have any hard line built into the line. They take a standard u-shaped clip to hold them in as well.

    The $10 check is in the mail !

    Blake
     
  11. CyberSniper

    CyberSniper 1/2 ton status Premium Member

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    Hmm...

    I'm pretty sure my G-body ones don't have any hard line in them and I used the funny looking horseshoe shaped thing to hold the line also.

    I'll have to look in the daylight tomorrow.
     

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