| |
6 - Cyl. Engines |
V - 8 Engines |
| Drive Units - Clutch (Manual Transmission) |
| Make and Type |
Own-Dry |
| Type pressure plate springs |
Disc Spring |
| Total spring load (lb.) |
2050 (b) |
| No. of clutch driven discs |
One |
Clutch
facing |
Material |
Woven Molded Asbestos |
| Outside and inside dia. |
10.0 x 6.0 (c) |
10.4 x 6.5 |
| Total eff. area (sq.in.) |
82.93 (c) |
85.56 |
| Thickness |
0.135 (c) |
0.140 |
Engagement cushion-
ing method |
Driven Plate Waved Spoke Springs |
Release
bearing |
Type and method
of lubrication |
Ball Thrust - Prepacked and Sealed |
Torsional
damping |
Methods: springs,
friction material |
Coil Springs and Metal to Metal Friction |
| NOTES:
|
(b) 2350# pressure on Firebird Sprint and Firebird 400.
(c) Firebird Sprint uses 10.4 x 6.5 driven plate with 80.56 effective area and 0.140 facing thickness.
|
| MODEL |
Firebird |
Firebird
Sprint |
Firebird
350 |
Firebird
H.O. |
Firebird
400 |
| Drive Units - Transmissions |
| Manual 3-speed (std. or opt.) |
Standard |
| Manual 4-speed (std. or opt.) |
Optional |
| Manual with overdrive (std. or opt.) |
Not Offered |
| Automatic (std. or opt.) |
Optional |
| Drive Units - Manual Transmissions |
| Number of forward speeds |
3-speed |
4-speed |
| 6-Cyl. (a) |
350 V-8 (b) |
All V-8 (c) |
6 Cyl. |
All V-8 (d) |
Transmis-
sion ratios |
In first |
2.85:1 |
2.54:1 |
2.42:1 |
2.85:1 |
2.52:1 |
| In second |
1.68:1 |
1.50:1 |
1.61:1 |
2.02:1 |
1.88:1 |
| In third |
1.00:1 |
1.00:1 |
1.00:1 |
1.35:1 |
1.46:1 |
| In fourth |
-- |
-- |
-- |
1.00:1 |
1.00:1 |
| In reverse |
2.95:1 |
2.63:1 |
2.33:1 |
2.85:1 |
2.59:1 |
| Synchronous meshing, specify gears |
All Forward |
| Shift lever location |
(a) |
(b) |
Floor Shift |
| Lubricant |
Capacity (pt.) |
3.5 |
2.8 |
3.5 |
2.5 |
| Type recommended |
Type A - Extreme Pressure |
SAE vis-
cosity
number |
Summer |
80 or 90 |
| Winter |
80 or 90 |
| Extreme Cold |
80 or 90 |
| NOTES:
|
(a) Column shift standard - floor shift optional (standard on Firebird Sprint).
(b) Available with standard column shift only.
(c) Standard on 400 cu. in. V-8 includes floor shift - optional on 350 cu.in. V-8.
(d) Special order close ratio transmission (2.20:1, 1.64:1, 1.28:1, 1.00:1 and 2.27:1R) available with 3.9:1 rear axle ratio on firebird 400 only.
|
| MODEL |
Firebird with
250 and 350 cu.in. Engine |
Firebird with
400 cu.in. Engine |
| Drive Units - Automatic Transmission |
| Trade name |
Automatic |
Turbo Hydra-Matic |
| Type describe |
Torque Converter |
| Selector location |
Steering column (c) |
List gear ratios Selector Pattern
and indicate which are used in
each selector position
|
| R |
D |
L |
| ___ |
___ |
_____ |
| 1.76 |
1.76 |
1.76 (a) |
| 1.00 |
|
| R |
D |
S |
L |
| ___ |
___ |
___ |
_____ |
| 2.08 |
2.48 |
2.48 |
2.48 (b) |
| 1.48 |
1.48 |
| 1.00 |
|
| 6 Cyl. Engines |
V-8 Engines |
400 cu. in. V-8 Engines |
| Max. upshift speed-drive range |
80 mph |
73 mph |
78 mph |
| Max. kickdown speed-drive range |
75 mph |
68 mph |
3-2 @ 70, 3-1 @ 29 mph |
Torque
convertor |
Number of elements |
Three |
| Max. ratio at stall |
2.8:1 |
2.5:1 |
2.3:1 |
| Type of cooling (air, liquid) |
Water |
| Nominal diameter |
11.75 |
12.5 |
| Lubricant |
Capacity-refill (pt.) |
15 (Approx.) |
19 (Approx.) |
| Type recommended |
GM Dexron Automatic Transmission Fluid |
Special transmission
features |
Shift lever must be lifted over stop to enter ¨Park¨, ¨Reverse¨, and ¨Low¨ (¨S¨ on 400) positions. Engine starting on ¨Neutral¨ and ¨Park¨ positions provided for.
|
| NOTES:
|
(a) Total transmission torque multiplication in first gear is 4.93:1 with 6 cyl. and 350 HO engine, 4.44:1 with 350 cu.in. 2 bbl. carburetor engine.
(b) Total transmission torque multiplication in first gear is 5.7:1
(c) Floor - with optional console
|
| Drive Units - Propeller Shaft |
| Number used |
One |
Type (straight tube, tube-in-tube,
internal-external damper, etc.) |
Straight Tube |
Outer
diam. x
length* x
wall
thick-
ness |
Manual 3-speed trans. |
2.75 x 49.96 x 0.065 |
| Manual 4-speed trans. |
2.75 x 49.96 x 0.065 |
| Overdrive transmission |
Not Available |
| Automatic transmission |
2.75 x 49.96 x 0.065 |
2.75 x 49.30 x 0.065 |
Inter-
mediate
bearing |
Type (plain,
anti-friction) |
Not Used |
Lubrication (fitting,
prepack) |
Not Used |
Slip
Yoke |
Type |
Splined |
| Number of teeth |
27 |
| Spline O.D. |
1.175 |
Universal
joints |
Make and Mfg. No. |
Saginaw - Size 44 (Regular) |
| Number used |
Two |
| Type (ball and trunnion, cross) |
Cross |
| Rear attach.(u-bolt, clamp, etc.) |
U-Bolt |
| Bearing Type |
Anti - Friction |
| Bearing Lubric. |
Prepacked |
Drive taken through (torque tube
or arms, springs) |
Springs |
Torque taken through (torque tube
or arms, springs) |
Springs |
| NOTES:
|
|
* Center to center of universal joints, or to centerline of rear attachment.
|
| MODEL |
Firebird |
Firebird
Sprint |
Firebird
350 |
Firebird
H.O. |
Firebird
400 |
| Drive Units - Axle |
| Type (front, rear) |
Rear |
| Description |
Semi-Floating Hypoid |
| Limited Slip differential, type |
Spring Loaded Clutch (Opt.) |
| Drive Pinion Offset |
1.50 |
| No. of differential pinions |
2 |
| Pinion adjustment (shim, other) |
Shim |
| Pinion bearing and. (shim, other) |
Collapsible Spacer |
| Wheel bearing type |
Single Row Ball Bearing |
| Lubricant |
Capacity (pt.) |
3 |
| Type recommended |
A-9 Hypoid (a) |
SAE vis-
cosity
number |
Summer |
80-90 |
| Winter |
80-90 |
| Extreme cold |
80-90 |
| NOTES:
|
|
(a) Special lubricant required with limited slip differential.
|
Axle Ratio Tooth Combinations
(See Power Teams for axle ratio usage)
|
| Axle ratio |
2.41:1 |
2.56:1 |
2.78:1 |
2.93:1 |
3.08:1 |
3.23:1 |
3.36:1 |
3.55:1 |
3.90:1 |
No. of
teeth |
Pinion |
17 |
16 |
14 |
14 |
13 |
13 |
11 |
11 |
10 |
| Ring gear |
41 |
41 |
39 |
41 |
40 |
42 |
37 |
39 |
39 |
| Ring gear O.D. |
8.125 |
| MODEL |
Firebird |
Firebird
Sprint |
Firebird
350 |
Firebird
H.O. |
Firebird
400 |
| Drive Units - Wheels |
| Type & Material |
Disc - Steel |
| Rim (size & flange type) |
Std. |
14 X 6 (a) |
| Opt. |
None |
| Attachment |
Type (bolt or stud) |
Bolt |
| Circle diameter |
4.75 |
| Number and size |
5, 7/16 - 20 |
| NOTES:
|
(a) On four road wheels - std. Space Saver Spare tire is on 14 x 5 rim wheel.
|
| Drive Units - Tires |
| Standard |
Size, ply rating, & ply |
E70 x 14 (b) |
F70 x 14 (b) |
| Type (bias, radial, etc.) |
Bias |
Full rated
Inflation
Press. |
Front |
24 (Full Load) - 24 (Reduced Load) |
| Rear |
28 (Full Load) - 24 (Reduced Load) |
| Rev. Mile at 50 mph |
807 |
790 |
| Optional |
Size, ply rating, & ply |
F70 x 14 (b) |
|
| 195 R x 14 Radial, 2 Ply Carcass - 4 Ply Tread, Type |
| NOTES:
|
(b) 2 Ply - 4 Ply rated. Std. spare tire size is 7.35 x 14 - space saver type.
|
|
