Is there such a thing as manual disc brakes?
#1304703
09/16/12 08:57 AM
09/16/12 08:57 AM
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Joined: Nov 2011
Posts: 39 mississauga, ontario, canada
patbee383
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Joined: Nov 2011
Posts: 39
mississauga, ontario, canada
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I converted from drums to disc during resto but brakes are really bad, just wondering if i missed a step? maybe i need the booster? Using original style master cylender changed proportioning valve. I've, bled brakes many times...
1970 Dodge Superbee
2008 Dodge Ram 2500 HEAVY DUTY
2011 Dodge Caravan
2002 Honda Accord?
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Re: Is there such a thing as manual disc brakes?
[Re: 70Cuda383]
#1304707
09/16/12 11:18 AM
09/16/12 11:18 AM
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Joined: Jan 2003
Posts: 5,907 Athens, Greece
Pyper70
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Joined: Jan 2003
Posts: 5,907
Athens, Greece
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You sure you have the right master? The piston changes between the years for power/manual operation. Maybe you have the 7/8" piston and you need the 1 1/8". I stole the disc's off of a 75 A-body along with the prop block and suspension. I loved my manual disc brakes. One less thing in the engine bay of a 70 Dart. Slant 6. Also make sure your brake lines don't have a bubble where the banjo is, might have fluid escaping or sucking air in with every pump. I use the stainless braid on brake lines.
Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s
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Re: Is there such a thing as manual disc brakes?
[Re: Rhinodart]
#1304710
09/16/12 11:53 AM
09/16/12 11:53 AM
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Joined: Nov 2011
Posts: 39 mississauga, ontario, canada
patbee383
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OP
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Joined: Nov 2011
Posts: 39
mississauga, ontario, canada
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Awsome advice guys! At this point i cant get at it, but will have it up on a hoist this week, im sure he put in a factory replacement(or aftermarket but looks like orig.)The master was bench bled, all new lines, gravity bled (whatever that means) and bled again. but the brakes really suck (seem to be getting worse and going to floor now) so maybe there is a leak or air still in system. I will keep you posted when i get to it this week (i hope)
1970 Dodge Superbee
2008 Dodge Ram 2500 HEAVY DUTY
2011 Dodge Caravan
2002 Honda Accord?
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Re: Is there such a thing as manual disc brakes?
[Re: Jeremiah]
#1304712
09/16/12 12:18 PM
09/16/12 12:18 PM
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Joined: Feb 2010
Posts: 18,493 Granite Bay CA
Kern Dog
Striving for excellence
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Striving for excellence
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
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Quote:
I run manual discs on my car with no issues. What exactly is the problem? I used a M/C spec'd for a 1976 Plymouth Valiant with manual disc brakes. I think it was 1 11/32" bore.
Uhhh, with a master cylinder bore of that size, you'd need legs the size of Lou Ferrigno to stop a tricycle! Maybe 1 1/32?
Using a drum/drum master cylinder isn't advised anyway. The volume isn't right, the bore size isn't right. As stated before, more info is needed to provide any help.
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