These
instructions are for all A-Body Disc Brake Conversion, from 1962-1975
Parts needed from Donor
Car, and Local Auto Parts.
THERE IS A LOT OF STORIES, ABOUT USING 1976-1980
PLYMOUTH VALORE, AND DODGE ASPEN, DISC BRAKE SET-UP. Caliper adapters,
Calipers, and 11" (10.87 actual) rotors *will* bolt right up to late A
body spindles, and will work just fine ON THE 1962-1976 A-BODIES, OR B-BODIES,
OR THE E-BODIE MOPARS......................... The spindles and upper control arms won't work.
1. Upper Control Arms, from 1973-1975 A-Body, Dart, Duster,
Valiant. from Disc Brake Donor Car. ( single Piston Caliper only )
2. Front Spindels
from Disc Brake Donor Car, ( Single Piston Caliper ) Mark their location, with
left front and right front.
3. Rotors
4. Proportioning
Valve From Donor Car. You must use the unit, from the Donor Car. You can also
use a adjustable Porportioning aftermarket valve
5. New Front
Brake Hoses ( Rubber )
6. New Brake Pads
& Bearing ( you must know, what make, model and Year, the donor car
7. New Master Cylinder, Disc & drum, must use 73-75 A-Body,
with or wo/ power brakes
8. 4.5" bolt
pattern front Wheels.
9. New Cam Kit,
and Upper Control Bushings
10. 73-75 Lower
Ball Joints
11. From the
donor car, remove the ( 2 ) lines that are attached to the master cylinder, and
use them on your car.
1. Remove tension
on Torsion Bars.
2. Replace ONLY
the Upper Control Arms.
3. Replace Front Spindels with donor set, being careful, not to
mix up the left and right sides
4. Install
Proportion Valve, in Line
5. Replace Lower
Ball Joint, with 73-75 A-Body, ( Larger size )
6. Install
Rotors, Calipers and Pads
7. Repace
Bearings, install cotter pin
8. Install Newer
( 73-75 ) Lower Ball Joint and Grease entire front end.
9. Tighten
Torsion Bar Adjuster
10. Install
Master Cylinder, You will need a New Push-Rod Rubber Bushing, that holds the
Pedal Push Rod into the Rear of the Master Cylinder Mopar Part # 2074960
11. That's it.
12. Have the
front end Aligned
Note:
Please take the time to read, and understand, what I have outlined, for this
project, and Please follow the instructions, this will make your job alot
easier, safe, and complete. While we are on the subject of the Braking system,
Please inspect the Rear Brakes, and Hardware, Hoses and Brake Lines, and don't
forget the rubber brake line, that attaches to the rear end housing, and wheel
cylinders. This is the best time, to completely beed the entire brake system,
until all the rust, and dirt, isn't present in the brake fluid