Re: Help Identifiing disc brakes

[Bill Watson <wwatson6@xxxxxxx>]

One single piston?   If itis from a Dart or Valiant it is from a 1973-76
model.   The pre-1973 A bodies used the Kelsey-Hayes 4-piston system (2 on
each side of the rotor).

One problem with this system is the size of the spindle.  The pre-1973
spindle was smaller, thus the wheels from a pre-1974 model will not fit onto
a 1973 & up spindle.

Also the bolt pattern circumference is 4½" from 1973 while prior to that it
was 4".

Bill
Vancouver, BC





----- Original Message ----- 
From: "Gary Matthews" <Garym31931@xxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Saturday, November 10, 2007 10:05 PM
Subject: Help Identifiing disc brakes


>
>
> I bought a disc brake setup for an a-body.  It was supposed to be a
complete
> setup up.  No rotors, no pads,  no bearings.    Supposedly from a 1971
Dart
> or maybe a 74 the woman was not sure.  It was  part of stuff he had
collected
> for an a-body project car before he passed  away..
>
> I also have the Power brake booster, the master cylinder, proportioning
> valve, upper and lower control arms, dust shields.
>
> Now I am trying to figure out what I have, so I can get this rebuilt and
> ready to go under my Barracuda.
>
> Single large piston.
> A semi-banjo fluid connection.  Not round but square with a sloping  ramp
on
> it.
>
> On the caliper housing,  cast numbers.
> In curve at the bottom of the housing 3580 Pentastar 781
> above that screwhead 120 screwhead
> Above that stamped, upside down 680t and a  V pointing to 1 o'clock.
> To the left side, starting right at the edge of the fluid connection
stamped
> 58401
> To the far right running perpendicular to the rest L4
>
> On the support piece for the pads
> Cast 776
> Under that 95020A
> Stamped 271
> to the far right cast 3
>
> No numbers on the A arms, no numbers on the steering knuckle or dust
sheilds.
>
> So what do I have.
> I need bearings, pads, rotors, rebuild kit for the pistons.  Ball  joints.
> Suspension rebuild kit.
>
> OH yeah this is going into a 1965 Barracuda.
>
> Thanks for any help.
> Gary
>
>


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