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In need of Help..

Discussion in 'Brakes' started by Space Coast Rodder, Dec 28, 2018.

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  1. Space Coast Rodder

    Space Coast Rodder
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    Finally managed to get some pics. Do these help or do you need different angles ?
    http://i86.photobucket.com/albums/k81/SCRodder/IMG_2425_zpsg5ostdte.jpg

    http://i86.photobucket.com/albums/k81/SCRodder/IMG_2424_zps4sur7avv.jpg

    http://i86.photobucket.com/albums/k81/SCRodder/IMG_2423_zpsbv351l8v.jpg

    http://i86.photobucket.com/albums/k81/SCRodder/IMG_2422_zpsv6tdqgyf.jpg
     
    #41 Space Coast Rodder, Jan 4, 2019
  2. Space Coast Rodder

    Space Coast Rodder
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    Forgot to say the bolt pattern is 5 - 4 3/4"
     
    #42 Space Coast Rodder, Jan 4, 2019
  3. Space Coast Rodder

    Space Coast Rodder
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    This is a pic of my Master Cylinder.. It's 1" bore & the pedal has a 6 to 1 ratio....[​IMG]
     
    #43 Space Coast Rodder, Jan 4, 2019
  4. 2old2fast

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    Page 40s early 50s Chev and dodge used an MC frame mount w/ the integral pedal pivot , there may be others , that may be an olds or Pontiac rear as they were both popular for drag cars ( still are ) 4-3/4 is Chev. , Olds and Pontiac I thought were bigger (5 on 5.5 ??) Brakes look awfully big to be Chev. May be olds or Pontiac. With custom axles ??
     
    #44 2old2fast, Jan 4, 2019
  5. HenrysT

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    #45 HenrysT, Jan 5, 2019
    fletcherson likes this.
  6. HenrysT

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    I would try to up grade your M/C to a dual reservoir one, what bore size?? 1" - 7/8" ?
     
    #46 HenrysT, Jan 5, 2019
  7. Space Coast Rodder

    Space Coast Rodder
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    It certainly looks like Olds/Pontiac. I'm getting closer each day. Thanks for the help..
     
    #47 Space Coast Rodder, Jan 5, 2019
  8. Space Coast Rodder

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    Bore size is 1"...
     
    #48 Space Coast Rodder, Jan 5, 2019
  9. Space Coast Rodder

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    #49 Space Coast Rodder, Jan 5, 2019
  10. Space Coast Rodder

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    Finally got my brakes back together with new master cylinder & new rear wheel cylinders & all is working great.. Thanks to everyone for all the help...
     
    #50 Space Coast Rodder, Jan 15, 2019
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  11. Indycars

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    Can you tell if the brake pedal moves any further now with the smaller master cylinder? Theoretically it will have to travel further.
     
    #51 Indycars, Jan 15, 2019
  12. choppedtop

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    Indy, I went from a 1 1/8" to a 1" piston. My travel increased maybe an inch and a half. On the good side, I have much better stopping power now than before. No sorry at all for the change.
     
    #52 choppedtop, Jan 15, 2019
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  13. Indycars

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    I don't have trouble locking mine, but the wife might have trouble. It would be nice if it was alittle easier, so hence my reason for asking how the pedal travel changed.
     
    #53 Indycars, Jan 15, 2019
  14. choppedtop

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    I know what you mean. I am pretty sure my wife would have had problems with my old set up. Mine would lock up, but it took a big boy leg to do it, not that I really want to lock them. They simply feel like I have more positive control now.
     
    #54 choppedtop, Jan 15, 2019
  15. HenrysT

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    Come on Dude Guy! What kind of new MC? Size? Did you get a new bracket/pedal for the MC?
     
    #55 HenrysT, Jan 15, 2019
  16. Space Coast Rodder

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    I didn't change the master cyl bore size, It's still 1".. I did put on new wheel cylinders which had a very slightly bigger bore but the difference was minimal.. The rear shoes were put back together with a good cleaning, correct lubrication & correct adjustment & all works great.. Certainly not power brakes good but a vast improvement from before the work..
     
    #56 Space Coast Rodder, Jan 15, 2019
  17. Space Coast Rodder

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    I didn't change the bore size, it's still 1".. I will change it down the line when I do the rear disc brake conversion..
     
    #57 Space Coast Rodder, Jan 15, 2019
  18. 2old2fast

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    Were you able to define what the rear came from, what MC did you use ?
     
    #58 2old2fast, Jan 20, 2019
  19. Space Coast Rodder

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    It looks like the rear is from a 57 to 59 Oldsmobile, not sure what though.. I still don't know about the Master Cylinder, they were able to identify is from a number stamped on the side but couldn't tell me what it fitted... I'll be looking for another side mount but twin system with a 7/8" bore. Any ideas ??
     
    #59 Space Coast Rodder, Jan 21, 2019
  20. 2old2fast

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    Quick search didn't show anything but speedway lists some pedal/ MC mounts with cylinders that can bolt to the frame....
     
    #60 2old2fast, Jan 21, 2019
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