More About the 1957 Corvette
1957 Corvette
Body Specs |
|
| Wheelbase: | 102 inches |
| Front Track: | 57.00 inches |
| Rear Track: | 59.00 inches |
| Length: | 168.0 inches |
| Width: | 70.5 inches |
| Front Overhang: | 24.7 inches |
| Rear Overhang: | 41.4 inches |
| Height (at Windshield): | 51.1 inches (52.0 unloaded) |
| Hood Opening: | Front (reverse alligator) |
| Finish (paint type): | Lacquer |
| Turning Circle: | 36.55 feet (right); 36.93 feet (left) |
| Steering ratio: | 16:1 |
| Tire Size: | 6.70-15 4 Ply Rating |
| Axle Ratio: |
3.70:1; Optional: 4.11:1, 4.56:1
Automatic: 3.55:1 |
|
|
| Shipping - Powerglide (Automatic) Transmission: | 2,796 lb. |
|
Curb - Powerglide (Automatic) Transmission:
Shipping + fuel (107 lb.), water (38 lb.) |
2,941 lb. |
|
Loaded - Powerglide (Automatic) Transmission:
(Two Passengers @ 150 lb. each) |
3,241 lb. |
| Shipping - Three Speed (standard) Transmission: | 2,704 lb. |
|
Curb - Three Speed (standard) Transmission:
Shipping + fuel (107 lb.), water (38 lb.) |
2,849 lb. |
|
Loaded - Three Speed (standard) Transmission:
(Two Passengers @ 150 lb. each) |
3,149 lb. |
| Optional Hard Top: | 55 lb. |
|
|
| Type: | V8 |
| Valve Location: | In Head |
| Bore / Stroke: | 3.750" / 3.00" |
| Displacement: | 265 Cubic Inches |
| Compression Ratio: | 9.25 : 1 |
| Crankshaft Material: | Drop Forged Steel |
| Crankshaft Weight: | 47.75 lbs. |
| Piston Weight: | 18.77 oz. |
| Recommended Idle: | 425 (In Drive) |
| Camshaft Material: | Cast Alloy Iron |
| Oil Pump Type: | Gear |
| Normal Oil Pressure: | 30 psi @ 1170 - 1200 RPM |
| Oil Pressure Gauge: | Electric |
| Crankcase Oil Capacity (less filter): | 5 Quarts |
| Recommended Oil Grade: |
Above 32°: SAE 20W or SAE 20
To 0°: SAE 10W Below 0°: SAE 5W or SAE 5W-20 |
| Fuel Tank: | 16.4 Gallons |
| Fuel Filter: | Strainer |
| Fuel Pump: | Mechanical |
| Fuel Pressure: | 4¾ - 5½ psi |
| Carburetor: | Carter WCFB 2366SA |
|
Carburetor:
Optional dual four barrel carburetors Code 469 |
Carter WCFB 2419S (front) / WCFB 2362S (rear) |
| Cooling System Capacity (without heater): | 16 Quarts |
| Cooling System Capacity: |
17 Quarts (with heater)
16 Quarts (without heater) |
| Radiator Cap Relief Pressure: | 6 ¼ - 7 ½ PSI |
| Thermostat Type: | Choke |
| Thermostat Opening: | 160° F |
| Battery: |
Delco 2 S1r 53-W (12 volt, nine plate)
53 Amp-hour @ 20 hour rate |
|
Horsepower |
|
| Standard Engine: |
220 hp @ 4,600 RPM;
Torque: 300 lb-ft @ 3,000 RPM |
| Code 469A: |
245 hp @ 5,000 RPM;
Torque: 300 ft-lb. @ 3,800 RPM |
| Code 469C: |
270 hp @ 6,000 RPM;
Torque: 285 lb-ft @ 4,200 RPM |
| Code 579A Fuel Injection: |
250 hp @ 5,000 RPM;
Torque: 305 lb-ft @ 3,800 RPM |
| Code 579B: |
283 hp @ 6,200 RPM;
Torque: 290 lb-ft |
|
Fuel Injection |
|
| Manufacturer: | Rochester Products |
| Model: | 7014520 |
| Model: | 7014360 (Code 579B, 283 hp) |
| Recommended Fuel: | Premium |
| Fuel Pump: | Mechanical |
| Fuel Pressure: | 4 ¾ - 5 ½ PSI |
| Inlet Manifold: | Cast Aluminum |
| Air Cleaner Type: | Dry |
| Air Meter Location: | Engine Left Side |
| Plenum Chamber: | Integral With Inlet Manifold |
| Ram Pipe Length: | 12 Inches |
| Fuel Induction: | Metered as Function of Air Flow |
| Air / Fuel Ratio Control: | Vacuum Sensitive Diaphragm Located on Air Flow Meter |
| Fuel Cut Off Control: | Vacuum Sensitive Diaphragm Located Above Air Flow Meter |
| Fuel Meter Pump Type: | Gear |
| Fuel Meter Pump Location: | In Fuel Meter Assembly |
| Fuel Meter Pump Drive: | Gear Driven by Flexible Shaft From Distributor |
| Fuel Meter Pump Pressure: | 300 PSI |
| Injection Nozzles Quantity: | 8 |
| Injection Nozzles Material: | Brass |
| Injection Nozzles Location: | Mounted on Inlet Manifold Above Intake Ports |
| Injection Nozzles Orifice Size - Fuel: | .011 |
| Injection Nozzles Insulation: | Bakelite |
| Automatic Choke Type: | Electric, Time Temperature Type |
| Automatic Choke Location: | On Air Meter Assembly |
| Automatic Choke Current Draw: | Low |
| Automatic Choke Fast Idle Cam: | Yes |
|
Ignition System |
|
| Coil: | Delco-Remy 1115091 (FI Engines: 11151007) |
| Coil current rating: |
4 amps (engine stopped)
1.8 amps (engine running) |
| Breaker Gap: | .018" |
| Ignition Timing: | 4° BTDC @ idle |
| Ignition Timing Centrifugal Advance: | 20 ° @ 1,850 RPM |
| Ignition Timing Vacuum Advance: | None |
| Spark Plug: | AC 44 |
| Spark Plug Thread: | 14 mm. |
| Spark Plug Torque: | 20 - 25 lb.-ft. |
| Spark Plug Gap: | .033" - .038" |
| Firing Order: | 1-8-4-3-6-5-7-2 |
1957 Corvette Options
| RPO | Description | Production | Price |
| 101 | Heater | 5,373 (84.76%) | $118.40 |
| 102 | AM Radio, Signal Seeking | 3,635 (57.34%) | $199.10 |
| 107 | Parking Brake Alarm | 1,873 (29.55%) | $5.40 |
| 108 | Courtesy Lights | 2,489 (39.26%) | $8.65 |
| 109 | Windshield Washers | 2,555 (40.31%) | $11.85 |
| 276 | Wheels, 15x5.5 (5) | 51 (0.80%) | $15.10 |
| 290 | Whitewall Tires, 6.70x15 | 5,019 (79.18%) | $31.60 |
| 303 | 3-Speed Manual Transmission | 4,282 (67.55%) | n/a |
| 313 | Powerglide Automatic Transmission | 1,393 (21.98%) | $188.30 |
| 419 | Auxiliary Hardtop | 4,055 (63.97%) | $215.20 |
| 426 | Power Windows | 379 (5.98%) | $59.20 |
| 440 | Two-Tone Paint Combination | 2,794 (44.08%) | $19.40 |
| 469A | 283 cu. in. 245hp Engine two 4 bbl. carburetors | 2,045 (32.26%) | $150.65 |
| 469C | 283 cu. in. 270 hp Engine two 4 bbl. carburetors | 1,621 (25.57%) | $182.95 |
| 473 | Power Operated Folding Top | 1,336 (21.08%) | $139.90 |
| 579A | 283 cu. in. 250 hp fuel injected Engine | 182 (2.87%) | $484.20 |
| 579B | 283 cu. in. 283.hp fuel injected Engine | 713 (11.25%) | $484.20 |
| 579C | 283 cu. in. 250 hp fuel injected Engine | 102 (1.61%) | $484.20 |
| 579E | 283 cu. in. 283 hp fuel injected Engine | 43 (0.68%) | $726.30 |
| 677 | Positraction Rear Axle, 3.70:1 | 327 (5.16%) | $48.45 |
| 678 | Positraction Rear Axle, 411:1 | 1,772 (27.95%) | $48.45 |
| 679 | Positraction Rear Axle, 4.56:1 | n/a | $48.45 |
| 684 | Heavy Duty Racing Suspension | 51 (0.80%) | $780.10 |
| 685 | 4-Speed Manual Transmission | 664 (10.47%) | $188.30 |
|
Total Production:
6,339
Notes: Base Corvette with 283 cu. in. 220 hp engine and three speed manual transmission: $3,176.32 |
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Colors
| Code | Exterior | Quantity | Interior | Soft Top | Wheels |
| Onyx Black | 2,189 (34.53%) | Beige / Red | Beige / Black / White | Black | |
| Aztec Copper | 452 (7.13%) | Beige | Beige / White | Copper | |
| Cascade Green | 550 (8.68%) | Beige | Beige / Black / White | Green | |
| Arctic Blue | 487 (7.68%) | Beige / Red | Beige / Black / White | Blue | |
| Venetian Red | 1,320 (20.82%) | Beige / Red | Beige / Black / White | Red | |
| Polo White | 1,273 (20.08%) | Beige / Red | Beige / Black / White | Red / Silver | |
| Inca Silver | 65 (1.03%) | Beige / Red | Black / White | Silver | |