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14 bolt discs

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by K5Chris, Jun 7, 2004.

  1. K5Chris

    K5Chris 1/2 ton status

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    i know its been covered a million times.... but i couldnt find the info i needed.

    the product review is for a semi floater axle, so it's a bit different...

    sooo....
    i can use 76-78 caddy elderado rear calipers
    or
    chevy front calipers? what years? 1/2 ton or 3/4?

    chevy front rotors? what years? 1/2 or 3/4?

    what kinda prices do these normally run at the parts house?
    just trying to get an idea of what i'm getting myself into.


    my 10 bolt has rear calipers & caliper brackets from an 84-86 mustang SVO (has ebrake) i might see if i can make those work since i already have them..... and, it has ifs front rotors.
     
  2. imiceman44

    imiceman44 1 ton status

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    [ QUOTE ]
    i know its been covered a million times.... but i couldnt find the info i needed.

    the product review is for a semi floater axle, so it's a bit different...

    sooo....
    i can use 76-78 caddy elderado rear calipers
    or
    chevy front calipers? what years? 1/2 ton or 3/4?

    chevy front rotors? what years? 1/2 or 3/4?

    what kinda prices do these normally run at the parts house?
    just trying to get an idea of what i'm getting myself into.


    my 10 bolt has rear calipers & caliper brackets from an 84-86 mustang SVO (has ebrake) i might see if i can make those work since i already have them..... and, it has ifs front rotors.

    [/ QUOTE ]

    1/2 ton and 3/4 ton calipers are the same.

    Rotors are front from the IFS 88 and up 3/4 ton GM trucks.
    If you can get the Caddy calipers for cheap enough, it would be the easiest.
     
  3. Muddytazz

    Muddytazz 1 ton status

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    [ QUOTE ]
    Rotors are front from the IFS 88 and up 3/4 ton GM trucks.

    [/ QUOTE ]
    I'm using 1974 front 3/4ton rotors with my caddy calipers /forums/images/graemlins/thumb.gif
     
  4. dyeager535

    dyeager535 1 ton status Premium Member

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    Good luck getting the SVO setup to work. If the calipers take a rotor narrower than 1.25", you will find it near impossible to find 6 or 8 lug rotors with the right dimensions. (bolt pattern, thickness, hub "cutout")
     
  5. K5Chris

    K5Chris 1/2 ton status

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    [ QUOTE ]
    Good luck getting the SVO setup to work. If the calipers take a rotor narrower than 1.25", you will find it near impossible to find 6 or 8 lug rotors with the right dimensions. (bolt pattern, thickness, hub "cutout")

    [/ QUOTE ]

    my current rotors are 6 lug IFS light duty (thin) rotors. and, the center hole is machined to fit over the axle flange. your right though..... i prolly wont find 8 lug rotors to fit it.
     
  6. K5Chris

    K5Chris 1/2 ton status

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    OHHHHHHH..... DUDE.......... i'm so retarded..... it never clicked until now......

    i've got a whole complete extra '91 10 bolt front including calipers.... those calipers should work shouldn't they??? sweet.... one less thing i have to buy. /forums/images/graemlins/woot.gif

    hmmmmmm........ i also have an extra set of 6 lug front hub/rotors...... does anybody make a 6 lug hub for the 14bFF..... that, i could put my extra rotors onto the hubs?? that way i wouldnt have to convert the front to 8 lug, wouldnt have to buy new wheels, & wouldnt have to buy rotors for the rear discs..... hmmmm....
     
  7. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Just go 8 lug. If nothing else you'll get the piece of mind that you've got 8, 9/16" studs instead of 6, 7/16" studs holding your wheels on. Nobody makes hubs anyway. There are ways to make a 14 ff 6 lug, but it involves machine work.

    Rotors are cheap. Just get yourself some rotors at the parts store.

    Those '91 calipers are going to cause you to lose your e brake, if you care.
     
  8. dyeager535

    dyeager535 1 ton status Premium Member

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    So what exactly is the application of the rotors you have on there now, (1988 1/2 ton 4wd? For instance) and how thick are they? Machining the rotor is kind of a pain, but if thats all it takes to use a 1" caliper, it's not too big of a deal, rear rotors should last a long time.
     
  9. K5Chris

    K5Chris 1/2 ton status

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    i dont have an ebrake now..... my calipers are missing the arms that actuate it, and i gave up looking for 84 mustang rear caliper parts...... nobody makes them.... i'll prolly just use my extra calipers until i can afford caddy ones.


    my current rotors on my 10 bolt are 88 front ifs 1/2 ton 4wd regular cab (which i believe has light duty rotors which are thinner) and, they have the center hole machined to fit over the 10 bolt axle flanges. i had them resurfaced not too long ago, and they are cut as thin as they can go. they were real worn before.


    i know, i want to go to 8 lug.... but, the more stuff i have to buy, the longer i have to wait to do the swap. it might be janurary before i can get it done. i've already decided to skip the detroit for now. i have an open carrier that i'll be putting in with the 4.56's, so, whenever i can afford a detroit, i'll just drop it in.
     
  10. dyeager535

    dyeager535 1 ton status Premium Member

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    I had checked into the '88 IFS stuff, I couldn't find any that were thin enough to use the 79-85 Cadillac stuff on, or Camaro calipers. Those both use rotors under 1" thick, and even the new Astro's are using 1.25" thick rotors, same as the 73-87 trucks, so I just can't believe there are rotors that thin that were used on trucks.

    If someone can provide me with a part number, I'd be ecstatic though /forums/images/graemlins/smile.gif
     
  11. 84_Chevy_K10

    84_Chevy_K10 Banned

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    A brake lathe can always fit a rotor that is slightly too thick you know. /forums/images/graemlins/thumb.gif
     
  12. dyeager535

    dyeager535 1 ton status Premium Member

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    .25" isn't slightly too thick. I doubt you can shave that much off a rotor and have any meat left to it. I'd rather go with a rotor that has thicker face but less distance between the two "halves" where the cooling takes place.
     
  13. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    [ QUOTE ]
    Just go 8 lug. If nothing else you'll get the piece of mind that you've got 8, 9/16" studs instead of 6, 7/16" studs holding your wheels on. Nobody makes hubs anyway. There are ways to make a 14 ff 6 lug, but it involves machine work.

    Rotors are cheap. Just get yourself some rotors at the parts store.

    Those '91 calipers are going to cause you to lose your e brake, if you care.

    [/ QUOTE ]

    6 lug 14 bolt FF hubs:

    [​IMG]

    $500 for a pair though.

    Rene
     
  14. clarkjw24

    clarkjw24 1/2 ton status GMOTM Winner

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    Dude just buy the rotors, new calipers, pads, brake lines, bolts from the parts store. All of it new is around $100
     

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