1957 PONTIAC
Model Designations:
Pontiac Chieftain, Series 27, 8 Cylinder
Star Chief Custom, Series 27, 8 Cylinder
Star Chief, Series 28, 8 Cylinder
Pontiac Chieftain, Series 27, 8 Cylinder, Body Styles:
Chieftain:
4 Door Sedan, 6 Passenger, Body Style # 2719
Base Price: $2,527; Shipping Weight: 3,670 Pounds
Total Production: 35,671
4 Door Catalina Hardtop, 6 Passenger, Body Style # 2739
Base Price: $2,614; Shipping Weight: 3,745 Pounds
Total Production: 40,074
2 Door Sedan, 6 Passenger, Body Style # 2711
Base Price: $2,463; Shipping Weight: 3,625 Pounds
Total Production: 21,343
2 Door Catalina Hardtop, 6 Passenger, Body Style # 2737
Base Price: $2,529; Shipping Weight: 3,665 Pounds
Total Production: 51,017
4 Door Safari Station Wagon, 9 Passenger, Body Style #2762FC
Base Price: $2,898; Shipping Weight: 3,945 Pounds
Total Production: 11,536
2 Door Safari Station Wagon, 6 Passenger, Body Style #2763
Base Price: $2,841; Shipping Weight: 3,800 Pounds
Total Production: 2,934
Super Chief:
4 Door Sedan, 6 Passenger, Body Style # 2719D
Base Price: $2,664; Shipping Weight: 3,695 Pounds
Total Production: 15,153
4 Door Catalina Hardtop, 6 Passenger, Body Style # 2739D
Base Price: $2,793; Shipping Weight: 3,750 Pounds
Total Production: 19,758
2 Door Hardtop Catalina Coupe, 6 Passenger, Body Style # 2737D
Base Price: $2,735; Shipping Weight: 3,680 Pounds
Total Production: 15,494
4 Door Safari Station Wagon, 6 Passenger, Body Style #2762DF
Base Price: $3,021; Shipping Weight: 3,875 Pounds
Total Production: 14,095
Star Chief Custom (Series 27):
4 Door Safari Station Wagon, 9 Passenger, Body Style #2762SDF
Base Price: $3,481; Shipping Weight: 3,860 Pounds
Total Production: 1,890
2 Door Safari Station Wagon, 6 Passenger, Body Style #2764DF
Base Price: $3,636; Shipping Weight: 3,955 Pounds
Total Production: 1,292
Pontiac Star Chief Eight, Series 28, 8 Cylinder, Body Styles:
Star Chief:
4 Door Sedan, 6 Passenger, Body Style # 2819D
Base Price: $2,839; Shipping Weight: 3,740 Pounds
Total Production: 3,774
2 Door Convertible, 6 Passenger, Body Style # 2867DTX
Base Price: $3,105; Shipping Weight: 3,970 Pounds
Total Production: 12,789
Star Chief Custom:
4 Door Sedan, 6 Passenger, Body Style # 2819SD
Base Price: $2,896; Shipping Weight: 3,755 Pounds
Total Production: 8,874
4 Door Catalina Hardtop, 6 Passenger, Body Style # 2839SD
Base Price: $2,975; Shipping Weight: 3,820 Pounds
Total Production: 44,283
2 Door Catalina Hardtop, 6 Passenger, Body Style # 2837SD
Base Price: $2,901; Shipping Weight: 3,750 Pounds
Total Production: 32,862
2 Door Bonneville Convertible, 6 Passenger, Body Style #2867SDX
Base Price: $5,782; Shipping Weight: 4,285 Pounds
Total Production: 630
Chassis:
Wheelbase:
Chieftain: 122"
Star Chief: 124"
Safari Wagon: 122"
Tire Size:
Passenger Cars: 8.00 X 14"
Station Wagons & Bonneville: 8.50 X 14"
Rear Axle Ratios:
Manual Transmission: 3.23:1
Automatic Transmission: 3.08:1
General Engine Specifications:
Pontiac, 8 Cylinder, Manual Transmission, 2 Barrel Carburetor:
Engine Type: V-Type 8 Cylinder, Overhead Valve
Bore & Stroke: 3-15/16" X 3-9/16"
Engine Displacement: 347 Cu. In.
Compresssion Ratio: 8.50 to 1
Taxable Horsepower: 49.61
Horsepower: 227 @ 4,600 RPM
Torque: 333 Ft Lbs @ 2,300 RPM
Normal Oil Pressure: 35-45 PSI
Pontiac, 8 Cylinder, Automatic Transmission, 2 Barrel Carburetor:
Engine Type: V-Type 8 Cylinder, Overhead Valve
Bore & Stroke: 3-15/16" X 3-1/4"
Engine Displacement: 347 Cu. In.
Compresssion Ratio: 10.00 to 1
Taxable Horsepower: 49.61
Horsepower: 252 @ 4,600 RPM
Torque: 254 Ft Lbs @ 2,400 RPM
Normal Oil Pressure: 35-45 PSI
Pontiac, 8 Cylinder, Automatic Transmission, 4 Barrel Carburetor:
Engine Type: V-Type 8 Cylinder, Overhead Valve
Bore & Stroke: 3-15/16" X 3-1/4"
Engine Displacement: 347 Cu. In.
Compresssion Ratio: 10.00 to 1
Taxable Horsepower: 49.61
Horsepower: 270 @ 4,800 RPM
Torque: 359 Ft Lbs @ 2,800 RPM
Normal Oil Pressure: 35-45 PSI
Pontiac Bonneville, 8 Cylinder, Fuel-Injected:
Engine Type: V-Type 8 Cylinder, Overhead Valve
Bore & Stroke: 3-15/16" X 3-1/4"
Engine Displacement: 347 Cu. In.
Compresssion Ratio: 10.25:1
Taxable Horsepower: 49.61
Horsepower: 315 @ 4,800 RPM
Torque: Not Available
Normal Oil Pressure: 35-45 PSI
Pontiac, 8 Cylinder, 3 - 2 Barrel Carburetors, Hydra-Matic Transmission:
Engine Type: V-Type 8 Cylinder, Overhead Valve
Bore & Stroke: 3-15/16" X 3-1/4"
Engine Displacement: 347 Cu. In.
Compresssion Ratio: 10.00:1
Taxable Horsepower: 49.61
Horsepower: 290 @ 5,000 RPM
Torque: Not Available
Normal Oil Pressure: 35-45 PSI
Pontiac, 8 Cylinder, 3 - 2 Barrel Carburetors, Automatic & Manual Transmission:
Engine Type: V-Type 8 Cylinder, Overhead Valve
Bore & Stroke: 3-15/16" X 3-1/4"
Engine Displacement: 347 Cu. In.
Compresssion Ratio: 10.00:1
Taxable Horsepower: 49.61
Horsepower: 317 @ 5,200 RPM
Torque: Not Available
Normal Oil Pressure: 35-45 PSI
Capacities:
Cooling System:
Without Heater: 21-1/2 Quarts
With Heater: 23 Quarts
Radiator Pressure Cap: 12 to 15 PSI
Fuel Tank:
All Except Safari: 20 Gallons
Safari 2 Seat Wagon: 17 Gallons
Safari 3 Seat Wagon: 16 Gallons
Engine Oil Refill: 5 Quarts*
Manual Transmission: 3-1/4 Pints
Hydra-Matic Transmission: 9-1/4 Quarts
Rear Axle: 3-1/4 Pints
* Add 1 Quart for Oil Filter
Tune Up Specifications:
All Models:
Ground Polarity: Negative
Voltage: 12 Volts
Spark Plug Type: AC 45
Spark Plug: Gap .035"
Point Gap: Turn adjusting screw in until engine begins to misfire, then turn screw out 1/2 turn.
Distributor Cam Angle: 30 Degrees
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: Vibration Damper, First Line to come under pointer with engine cranking.
Engine Idle Speed: 450-470 RPM
Cylinder Head Torque: 95 Ft Lbs
Compression Pressure @ Cranking Speed:
Standard Head: 140 PSI (Minimum)
High Compression Head: 145 PSI (Minimum)
Valve Specifications:
Manual Transmission:
Operating Clearance, Running Hot:
Intake: Zero
Exhaust: Zero
Valve Seat Angle: Intake 30 degrees; Exhaust 45 degrees
Valve Timing:
Intake Opens 22 Degrees Before Top Dead Center
Exhaust Closes 27 degrees After Top Dead Center
Valve Spring Pressure:
Inner Spring: 57 Lbs @ 1-3/32"
Outer Spring: 102 Lbs @ 1.20"
Valve Lift, Zero Lash:
Intake: .373"
Exhaust: .373"
Valve Stem Clearance:
Intake .001"-.0027"
Exhaust .0015"-.0032"
Valve Stem Diameter:
Intake: .340"
Exhaust: .340"
Automatic Transmission:
Operating Clearance, Running Hot:
Intake: Zero
Exhaust: Zero
Valve Seat Angle: Intake 30 degrees; Exhaust 45 degrees
Valve Timing:
Intake Opens 22 Degrees Before Top Dead Center
Exhaust Closes 31 degrees After Top Dead Center
Valve Spring Pressure:
Inner Spring: 57 Lbs @ 1-3/32"
Outer Spring: 102 Lbs @ 1.20"
Valve Lift, Zero Lash:
Intake: .409"
Exhaust: .409"
Valve Stem Clearance:
Intake .001"-.0027
Exhaust .0015"-.0032
Valve Stem Diameter:
Intake: .340"
Exhaust: .340"
High Performance Engine:
Operating Clearance, Running Hot:
Intake: Zero
Exhaust: Zero
Valve Seat Angle: Intake 30 degrees; Exhaust 45 degrees
Valve Timing:
Intake Opens 29 Degrees Before Top Dead Center
Exhaust Closes 31 degrees After Top Dead Center
Valve Spring Pressure:
Inner Spring: 97 Lbs @ 1.07"
Outer Spring: 122 Lbs @ 1.10"
Valve Lift, Zero Lash:
Intake: .411"
Exhaust: .411"
Valve Stem Clearance:
Intake .001"-.0027"
Exhaust .0015"-.0032"
Valve Stem Diameter:
Intake: .340"
Exhaust: .340"
Pistons, Rings, Wrist Pin, Crankshaft, & Bearing Data:
Piston Removal: From Above
Fitting Pistons:
Shim Thickness: .0015"
Pounds Pull on Scale: 8 to 15
Ring End Gap:
Compression Ring:
Top Ring: .010"
Second Ring: .008"
Oil Ring: .015"
Wristpin Diameter: .9805"
Rod Bearings:
Shaft Diameter: 2.2488"-2.2498"
Rod Bearing Clearance: .001"-.003"
Rod End Play: .006"-.011"
Rod Bolt Torque: 45 Ft. Lbs.
Main Bearings:
Shaft Diameter: 2.623"-2.624"
Main Bearing Clearance:
Front: .0005"-.0025"
Rear: .0008"-.0033:
Others: .0005"-.003"
Crankshaft End Play: .003"-.008"
Thrust on #4 Bearing
Main Bolt Torque: 95 Ft. Lbs; (120 Ft. Lbs on Rear Cap)
Delco-Remy Distributor Specifications:
Distributor #1110871
Rotation: Counter-Clockwise
Cam Angle: 30 Degrees
Breaker Point Gap: Turn adjusting screw in until engine begins to misfire, then turn screw out 1/2 turn.
Condenser Capacity: .18-.23 Mfds.
Breaker Arm Spring Tension: 19-23 Ounces
Centrifugal Advance Data:
Advance Starts: 1 Degree @ 400 RPM
Full Advance: 13 Degrees @ 2,125 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 6" to 8"
Inches of Vacuum for Full Plunger Travel: 15-3/4" to 17-1/4"
Maximum Vacuum Advance: 11 Degrees
Delco-Remy Generator & Regulator Specifications:
Generator #1100304
Generator Output: 25 Amperes @ 2,780 RPM
Brush Spring Tension: 28 Ounces
Direction of Rotation: Clockwise
Field Current @ 12 Volts: 1.5-1.62 Amperes
Regulator #1119000
Cutout Relay:
Voltage to Close Points: 12.6
Armature Air Gap: .020"
Voltage Regulator Setting: 14.3 Volts
Current Regulator Setting: 25 Amperes
Current & Voltage Armature Air Gap: .075"
Ground Polarity: Negative
Generator #1102070
Generator Output: 35 Amperes @ 2,350 RPM
Brush Spring Tension: 28 Ounces
Direction of Rotation: Clockwise
Field Current @ 12 Volts: 1.69-1.79 Amperes
Regulator #1119002
Cutout Relay:
Voltage to Close Points: 12.6
Armature Air Gap: .020"
Voltage Regulator Setting: 14.3 Volts
Current Regulator Setting: 35 Amperes
Current & Voltage Armature Air Gap: .075"
Ground Polarity: Negative
Generator #1102074
Generator Output: 40 Amperes @ 2,225 RPM
Brush Spring Tension: 28 Ounces
Direction of Rotation: Clockwise
Field Current @ 12 Volts: 3.50-3.70 Amperes
Regulator #1119163
Cutout Relay:
Voltage to Close Points: 12.6
Armature Air Gap: .020"
Voltage Regulator Setting: 14.3 Volts
Current Regulator Setting: 40 Amperes
Current & Voltage Armature Air Gap:
Upper: .006"
Lower: .067"
Ground Polarity: Negative
Delco-Remy Starting Motor Specifications:
Part #1107661
Rotation: Clockwise
Brush Spring Tension: 35 Ounces (Minimum)
No Load Test: 95 Amperes, 10.1 Volts, @ 3,500 RPM
Lock Test: 470 Amperes, 5.4 Volts, 10-1/2 Ft. Lbs. of Torque.
Rear Axle & Brake Specifications:
Ring Gear & Pinion Backlash: .003"-.012"
Drive Pinion Adjustment: Shim
Drive Pinion Bearing Adjustment: Spacer
Axle Shaft End Play: None
Wheel Cylinder Bore:
Front: 1-1/16"
Rear: 15/16"
Master Cylinder Bore: 1"
Wheel Alignment Specifications:
Caster: - 1 Degrees
Camber: + 1/2 Degrees
Toe In; 0 to 1/16"
Toe-Out on Turns:
Outer Wheel: 20 Degrees
Inner Wheel: 22-1/2 Degrees
Kingpin Angle: 1-1/3 Degrees @ 0 Degree Camber
Carter Carburetor Specifications:
Carburetor Model: AFB
Part #2506S
Float Level: 17/64"
Float Drop: 3/4"
Idle Screw Setting: 1 to 2 Turns
Pump Stroke: 33/64"
Choke Piston Lever: .045"
Choke Shaft Lever: .010"
Fast Idle Throttle Valve Clearance: .030"
Unloader Setting: 1/8"
Secondary Throttle Lever: .017"-.022"
Automatic Choke Setting: Index
Rochester Carburetor Specifications:
Model: 2GC
Part #7009831, 7009832, 7015707, 7015708
Float Level: 1-15/64"
Float Drop: 1-29/32"
Idle Screw Setting: 1-1/2 Turns Open
Choke Setting: Index
Pump Rod: 53/64"
Choke Rod: .061"
Choke Unloader: .163"
Model: 2GC
Part #7011350, 7011500
Float Level: 1-15/64"
Float Drop: 1-29/32"
Idle Screw Setting: 1-1/2 Turns Open
Choke Setting: Index
Pump Rod: 57/64"
Choke Rod: .061"
Choke Unloader: .163"
Model: 4GC
Part #7009829, 7009830, 7015705, 7015706
Float Level: 1-3/8"
Float Drop: 1-13/16"
Idle Screw Setting: 1-1/2 Turns Open
Choke Setting: Index
Pump Rod: 15/16"
Fast Idle: None
Choke Rod: .063"
Choke Unloader: .115"
Secondary Throttle Lockout: .015"
Secondary Throttle Contour Clearance: .015"
Idle Air Vent: .063"
Model: 2G
Part #7011351
Float Level: 1-5/16"
Float Drop: 1-29/32"
Idle Screw Setting: 1-1/2 Turns Open
Choke Setting: Index
Pump Rod: 15/16"
Model: 2G
Part #7011352
Float Level: 1-5/16"
Float Drop: 1-29/32"
Idle Screw Setting: 1-1/2 Turns Open
Choke Setting: Index
Pump Rod: 15/16"
Secondary Throttle Lockout: .030"
Secondary Throttle Contour Clearance: .015"
Popular Options:
Several Radio Options, Power Steering, Power Brakes, 8-Way Power Seat, 6-Way Manual Seat, Power Windows, Heater & Defroster, Air Conditioning,j Tinted Glass, Power Sweep Contour Electric Windshield Wiper/Washer, Electric Clock, DeLuxe Steering Wheel & Padded Dash, White; Wall Tires, DeLuxe Carpet Floor Mats, Custom Wheel Discs, Various Engine Options, Hydra-Matic Automatic Transmission, Duall Exhauses.
1957 Pontiac Historical Data:
Introduction of the 1957 Pontiac line was on November 19, 1956.
Total 1957 Pontiac Production was 334,041.
.
1957 Pontiac Colors & Codes:
Code Color
57-A Raven Black
57-B Chevron Blue
57-C Nassau Green
57-D Sapphire Blue
57-E Chateau Gray
57-F Fontaine Blue
57-G Tartan Red
57-H Charcoal Gray
57-J Lucerne Blue
57-K Sheffield Gray
57-L Braeburn Green
57-M Starlight Yellow
57-N Cordova Red
57-P Kenya Ivory
57-Q Silver Gray
57-R Carib Coral
57-S Limefire Green
57-T Seacrest Green
57-U Sage Blue
56-I Malabar Yellow
57-O Kerry Green
57-U Marina Blue
56-V Avalon Blue
56-X Rodeo Beige
56-Z Lilac
Promotional Model Cars Available:
Plastic: Star Chief 4 Door Hardtop & Star Chief Convertible
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