| MODEL |
Firebird |
Firebird
Sprint |
Firebird
350 |
Firebird
350 |
Firebird
H.O. |
Firebird
400 |
| Brakes - Service |
| Type (drum or disc) |
Drum - Std. |
Front Disc. - Opt. |
| Self adjusting (std., opt., N.A.) |
Standard |
Power brake make &
type (remote, int., etc.) |
Std. |
-- |
| Opt. |
Delco-Moraine, Integral Type, Vacuum Suspended |
| Effective area (sq. in.)* |
149.4 |
101.9 |
| Gross lining area (sq. in.)** |
155.5 |
109.1 |
| Swept area (sq. in.)*** |
269.2 |
323.6 |
| Percent brake effectiveness - front |
62.6 |
62.6 |
Drum or
Disc |
Diameter
(nominal) |
Front |
9.5 |
11.0 |
| Rear |
9.5 |
Type and
material |
Cast Alloy Iron |
| Disc (vented or solid) |
-- |
Vented |
| No. pistons per caliper |
-- |
4 |
Wheel cyl-
inder bore |
Front |
1.125 |
2.062 |
| Rear |
0.875 |
Master
Cylinder |
Bore |
1.00 |
1.125 |
Displacement
distribution |
Front % |
59 |
69 |
| Rear % |
41 |
31 |
Disc Brk.
Valve |
Type (proportion, delay,
metering, other) |
-- |
Metering-Type Delay |
| Pedal arc ratio |
6.3:1 (Manual) - 3.4:1 (Power) |
| Line pressure at 100 lb pedal load |
700 Manual,
900 Power Opt. |
575 Manual,
800 Power Opt. |
| Shoe clearance adjustment |
(a) |
Spring Loaded |
Brake
lining |
Drum or Disc |
Drum |
Disc Front - Drum Rear |
| Bonded or riveted |
Riveted |
Front
Wheel |
Material |
Molded Asbestos |
Size
(length x
width x
thickness) |
Prim. or
out-
board |
7.6 x 2.5 x 0.196 |
5.95 x 1.75 x 0.40 |
Second.
or in-
board |
9.85 x 2.5 x 0.265 |
5.95 x 1.75 x 0.40 |
| Segments per show |
One |
Rear
Wheel |
Material |
Molded Asbestos |
Size
(length x
width x
thickness) |
Prim. or
out-
board |
7.6 x 2.0 x 0.196 |
Second.
or in-
board |
9.85 x 2.0 x 0.265 |
| Segments per show |
One |
| NOTES:
|
* Excludes rivet holes, grooves, chamfers, etc.
** Includes rivet holes, grooves, chamfers, etc.
*** Total swept area for four brakes. (Widest lining contact width for each brake x its contact circumference.)
(a) Tighten drum brakes to heavy drag then back off 26 notches.
|
