AMA Specifications-Passenger Car
--- Drive Units ---
| 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: | |||
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(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. |
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| MODEL | Firebird | Firebird Sprint |
Firebird 350 |
Firebird H.O. |
Firebird 400 |
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| 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: | |||||||
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(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) standard and only available with 3.9:1 and 4.33:1 rear axle ratio on Firebird 350 H.O. and Firebird 400. |
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| MODEL | Firebird and Firebird 350 |
Firebird Firebird Sprint Firebird 350 2-Bbl. |
Firebird 350 Firebird 400 |
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| Drive Units - Automatic Transmission | |||||||||||||||||||||||||||||||||||||||||||||||||
| Trade name | Automatic | Turbo Hydra-Matic | |||||||||||||||||||||||||||||||||||||||||||||||
| Type describe | Torque Converter | ||||||||||||||||||||||||||||||||||||||||||||||||
| Selector location | Steering column (a) | ||||||||||||||||||||||||||||||||||||||||||||||||
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List gear ratios Selector Pattern and indicate which are used in each selector position |
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| 6 Cyl. Engine | V-8 Eng. | L-6 1-Bbl. | L-6 4-Bbl. | V-8 2-Bbl. | 350 2-Bbl. | 350 4-Bbl. | 400 4-Bbl. | ||||||||||||||||||||||||||||||||||||||||||
| Max. upshift speed-drive range | 80 | 73 | (e)40,(f)67 | (e)63,(f)70 | (e)50,(f)85 | (e)45,(f)79 | (e)41,(f)72 | (e)43,(f)79 | |||||||||||||||||||||||||||||||||||||||||
| Max. kickdown speed-drive range | 75 | 68 | (g)62,(h)37 | (g)65,(h)60 | (g)80,(h)47 | (g)72,(h)26 | (g)66,(h)27 | (g)74,(h)36 | |||||||||||||||||||||||||||||||||||||||||
| Torque convertor |
Number of elements | Three | |||||||||||||||||||||||||||||||||||||||||||||||
| Max. ratio at stall | 2.8:1 | 2.5:1 | 2.5:1 | 2.0:1 | 2.0:1 | 2.3:1 | 2.3:1 | ||||||||||||||||||||||||||||||||||||||||||
| Type of cooling (air, liquid) | Water | ||||||||||||||||||||||||||||||||||||||||||||||||
| Nominal diameter | 11.75 | 12.5 | |||||||||||||||||||||||||||||||||||||||||||||||
| Lubricant | Capacity-refill (pt.) | 15 (Approx.) | 16 (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. (i) | ||||||||||||||||||||||||||||||||||||||||||||||||
| NOTES: | |||||||||||||||||||||||||||||||||||||||||||||||||
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(a) Floor with optional console
(b) Total transmission torque multiplication in 1st gear is 4.93:1 with 6 cyl., 4.4:1 with V-8 engine (c) Total transmission torque multiplication in 1st gear is 6.30:1 with 6 cyl., 5.04:1 with V-8 engine (d) Total transmission torque multiplication in 1st gear is 5.70:1 (e) 1-2 Upshift (f) 2-3 Upshift (g) 3-2 Kickdown (h) 2-1 Kickdown (i) Rally shifter available with console option provides manual speed shift stops to locate second and third gear positions when the lever is deflected to the right hand path. (j) Based on non-A/C car with standard axle for the engine indicated. |
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| 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 |
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| 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. | |||||||
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Axle Ratio Tooth Combinations (See Power Teams for axle ratio usage) |
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| 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 | 4.33:1 | |
| No. of teeth |
Pinion | 17 | 16 | 14 | 14 | 13 | 13 | 11 | 11 | 10 | 9 |
| Ring gear | 41 | 41 | 39 | 41 | 40 | 42 | 37 | 39 | 39 | 39 | |
| Ring gear O.D. | 8.125 | ||||||||||
| MODEL | Firebird | Firebird Sprint |
Firebird 350 |
Firebird H.O. |
Firebird 400 |
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| Drive Units - Wheels | |||||||
| Type & Material | Disc - Steel | ||||||
| Rim (size & flange type) | Std. | 14 X 6 (a) | 14 X 7 (a) | ||||
| Opt. | None | ||||||
| Attachment | Type (bolt or stud) | Bolt | |||||
| Circle diameter | 4.75 | ||||||
| Number and size | 5, 7/16 - 20 | ||||||
| NOTES: | |||||||
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(a) On four road wheels - std. Space Saver Spare tire is on 14 x 5 rim wheel. |
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| 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) | |||||
| F70 - 14 Polyglass - 2 Ply carcass with 2 Fiberglass Tread Plys - 4 Ply Rated |
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| NOTES: | |||||||
| (b) 2 Ply - 4 Ply rated. Std. spare tire size is 7.35 x 14 - space saver type. Size increases to 7.75-14 for V-8 cars with A/C and V-8 convertibles without A/C. | |||||||
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