1949 NASH
Model Designations:
Nash "600," Series 40, 6 Cylinder
Nash, Ambassador, Series 60, 6 Cylinder
Nash "600," Series 40, 6 Cylinder, Body Styles
Super Special Line
2 Door Brougham, 5 Passenger, Model #4923
Base Price: $1,846; Shipping Weight: 2,960 Pounds; Production Total: 2,564
4 Door Sedan, 6 Passenger, Model #4928
Base Price: $1,849; Shipping Weight: 2,960 Pounds; Production Total: 23,606
2 Door Sedan, 6 Passenger, Model #4929
Base Price: $1,824; Shipping Weight: 2,935 Pounds; Production Total: 9,604
Super Line
2 Door Brougham, 5 Passenger, Model #4943
Base Price: $1,808; Shipping Weight: 2,960 Pounds; Production Total: 2,954
4 Door Sedan, 6 Passenger, Model #4948
Base Price: $1,811; Shipping Weight: 2,950 Pounds; Production Total: 31,194
2 Door Sedan, 6 Passenger, Model #4949
Base Price: $1,786; Shipping Weight: 2,935 Pounds; Production Total: 17,006
Customline
2 Door Brougham, 5 Passenger, Model #4953
Base Price: $1,997; Shipping Weight: 2,970 Pounds; Production Total: 17
4 Door Sedan, 6 Passenger, Model #4958
Base Price: $2,000; Shipping Weight: 2,985 Pounds; Production Total: 199
2 Door Sedan, 6 Passenger, Model #4959
Base Price: $1,975; Shipping Weight: 2,985 Pounds; Production Total: 29
Nash Ambassador, Series 60, 6 Cylinder, Body Styles
Super Line
2 Door Brougham Sedan, 5 Passenger, Model #4963
Base Price: $2,191; Shipping Weight: 3,390 Pounds; Production Total: 1,541
4 Door Sedan, 6 Passenger, Model #4968
Base Price: $2,195; Shipping Weight: 3,385 Pounds; Production Total: 17,960
2 Door Sedan, 6 Passenger, Model #4969
Base Price: $2,170; Shipping Weight: 3,365 Pounds; Production Total: 4,602
Custom Line
2 Door Brougham Sedan, 5 Passenger, Model #4973
Base Price: $2,359; Shipping Weight: 3,415 Pounds; Production Total: 1,837
4 Door Sedan, 6 Passenger, Model #4978
Base Price: $2,363; Shipping Weight: 3,415 Pounds; Production Total: 6,539
2 Door Sedan, 6 Passenger, Model #4979
Base Price: $2,338; Shipping Weight: 3,400 Pounds; Production Total: 691
Super Special Line
2 Door Brougham Sedan, 5 Passenger, Model #4993
Base Price: $2,239; Shipping Weight: 3,390 Pounds; Production Total: 807
4 Door Sedan, 6 Passenger, Model #4998
Base Price: $2,243; Shipping Weight: 3,385 Pounds; Production Total: 6,777
2 Door Sedan, 6 Passenger, Model #4999
Base Price: $2,218; Shipping Weight: 3,365 Pounds; Production Total: 2,072
1949 NASH
Nash "600," Series 4940, 6 Cylinder, General Specifications
Wheelbase: 112 Inches
Engine Type: Inline 6 Cylinder, L-Head
Bore & Stroke: 3-1/8" X 3-3/4"
Engine Displacement: 172.6 Cu. In.
Compresssion Ratio: 7.00 to 1
Taxable Horsepower: 23.44
Horsepower: 82 @ 3,800 RPM
Torque: 138 Ft Lbs @ 1,600 RPM
Normal Oil Pressure: 50 PSI
Rear Axle Ratio: Not Available
Tire Size: 6.40 x 15 inches; Inflation Pressure, Front 24, Rear, 24
Ambassador 6, Series 4960, General Specifications
Wheelbase: 121 Inches
Engine Type: Inline 6 Cylinder, Overhead Valve
Bore & Stroke: 3-3/8" X 4-3/8"
Engine Displacement: 234.8 Cu. In.
Compresssion Ratio: 7.02 to 1
Taxable Horsepower: 27.35
Horsepower: 112 @ 3,400 RPM
Torque: 208 Ft Lbs @ 1,600 RPM
Normal Oil Pressure: 50 PSI
Rear Axle Ratio: Not Available
Tire Size: 7.10 x 15 inches; Inflation Pressure, Front 24, Rear, 24
Tune Up Specifications, Nash "600," Series 4940
Spark Plug: Gap .030"
Spark Plug Type: Auto-Lite A5, Champion J-8 or J-11, or Equivalent
Point Gap: .020"
Firing Order: 1-5-3-6-2-4
Ignition Timing: IGN Mark on Vibration Damper
Engine Idle Speed: 475 RPM
Tappet Clearance, Hot: Intake .015", Exhaust .015"
Cylinder Head Torque: 60 Ft Lbs
Compression Pressure @ Cranking Speed: 120 PSI (Minimum)
Tune Up Specifications, Ambassador, Series 4960
Spark Plug: Gap .030"
Spark Plug Type: AC-44, Champion J-8 or J-11, or Equivalent
Point Gap: .020"
Firing Order: 1-5-3-6-2-4
Ignition Timing: "IGN" Mark on Vibration Damper
Engine Idle Speed: 475 $PM
Tappet Clearance, Hot: Intake .015", Exhaust .018"
Cylinder Head Torque: 65 Ft Lbs
Compression Pressure @ Cranking Speed: 130 PSI (Minimum)
Valve Specifications, Nash "600," Series 4940, 6 Cylinder
Tappet Clearance, Running Hot: Intake .015"; Exhaust .015"
Clearance for Timing: Intake: .019"; Exhaust: .019"
Valve Timing:
Intake Valve Opens @ 6 Degrees Before Top Dead Center
Exhaust Valve Closes @ 10 Degrees After Top Dead Center
Valve Seat Angle: Intake 45 degrees; Exhaust 45 degrees,
Valve Spring Pressure: 37 Lbs @ 1-3/4 inches (New Springs)
Valve Stem Clearance: Intake .0013"-.0028"
Exhaust .0013"-.0028"
Valve Specifications, Ambassador, Series 4960, 6 Cylinder
Tappet Clearance, Running Hot: Intake .015"; Exhaust .018"
Clearance for Timing: Intake: .0225"; Exhaust: .0225"
Valve Timing:
Intake Valve Opens @ 4-1/2 Degrees Before Top Dead Center
Exhaust Valve Closes @ 16-1/2 Degrees After Top Dead Center
Valve Seat Angle: Intake 45 degrees; Exhaust 45 degrees,
Valve Spring Pressure: 48 Lbs @ 1-11/16"
Valve Stem Clearance: Intake .0015"-.003"
Exhaust .002"-.0035"
Piston & Ring Data, Nash "600", Series 4940, 6 Cylinder
Piston Removal: From Above
Piston Clearance (Minimum):
Top Land Inch .017"
Top of Skirt, Inch: .001"
Fitting Pistons with Spring Scale:
Piston Supported at its own weight anywhere in the cylinder
Width of Ring End Gap (Minimum):
Compression Ring: .010"
Oil Ring: .010"
Clearance Between Ring & Grooves:
Compression Ring: .002"-.004"
Oil Ring: .002"-.004"
Piston & Ring Data, Ambassador , Series 4960, 6 Cylinder
Piston Removal: Above
Piston Clearance (Minimum):
Top Land Inch .018"
Top of Skirt, Inch: .001"
Fitting Pistons with Spring Scale:
Piston Supported at its own weight anywhere in the cylinder
Width of Ring End Gap (Minimum):
Compression Ring: .010"
Oil Ring: .010"
Clearance Between Ring & Grooves:
Compression Ring: .002"-.004"
Oil Ring: .002"-.004"
Engine Bearing Data, Nash "600", Series 4940, 6 Cylinder
Camshaft End Play: .004"-.006"
Camshaft Bearing Clearance: .001"-.003"
Rod Journal Diameter: 2.094" - 2.095"
Rod Bearing Clearance: .001"-.002"
Rod End Play: .006"-.014" inches
Rod Bolt Tension: 27-30 Lbs. Ft.
Main Bearing Journal Diameter: 2.4785"-2.4795"
Main Bearing Clearance: .002"
Crankshaft End Play: .006"-.008"
Main Bolt Tension: 70 Lbs. Ft.
Engine Bearing Data, Nash Ambassador, Series 4960, 6 Cylinder
Camshaft End Play: .004"-.006"
Camshaft Bearing Clearance: .001"-.003"
Rod Journal Diameter: 2.000"- 2.001"
Rod Bearing Clearance: .001"-.002"
Rod End Play: .006"-.014" inches
Rod Bolt Tension: 50-55 Lbs. Ft.
Main Bearing Journal Diameter: 2.4785"-2.4795"
Main Bearing Clearance: .002
Crankshaft End Play: .006"-.008"
Main Bolt Tension: 70 Lbs. Ft.
Capacities, Nash "600", Series 4940, 6 Cylinder
Cooling System:
Without Heater: 14 Quarts
With Heater: 15 Quarts
Fuel Tank: 20 Gallons;
Engine Oil Refill: 5 Quarts;
Grade of Oil: Above +32F 20;
Above +10F 20W;
Above -10F 10W
Manual Transmission: 2-1/4 Pints Without Overdrive: 3-1/2 Pints With Overdrive
Grade of Oil: Summer 90, Winter 80
Rear Axle: 3 Pints
Grade of Oil: Summer 90H, Winter 80H
Capacities, Ambassador 6, Series 4960, 6 Cylinder
Cooling System:
Without Heater: 17 Quarts
With Heater: 18 Quarts
Fuel Tank: 20 Gallons;
Engine Oil Refill: 6 Quarts;
Grade of Oil: Above +32F 20;
Above +10F 20W;
Above -10F 10W
Manual Transmission: 2-1/4 Pints Without Overdrive; 3-1/2 Pints With Overdrive
Grade of Oil: Summer 90, Winter 80
Rear Axle: 4 Pints
Grade of Oil: Summer 90H, Winter 80H
Delco-Remy Distributor Specifications, Series 40:
Distributor #1112351
Rotation: Counter-Clockwise
Cam Angle: 31 to 37 Degrees
Breaker Point Opening: .022"
Condenser Capacity: .18-.23 Mfds
Breaker Arm Spring Tension: 17-21 Ounces
Centrifugal Advance Data:
Advance Starts: 1 Degree @ 300 RPM
Full Advance: 11 Degrees @ 1,400 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movenent: 3" to 5" Vacuum
Inches of Vacuum for Full Plunger Travel: 13" - 17" Vacuum
Maximum Vacuum Advance: 7-1/2 Degrees
Delco-Remy Distributor Specifications, Series 60:
Distributor #1110216
Rotation: Clockwise
Cam Angle: 31 to 37 Degrees
Breaker Point Opening: .022"
Condenser Capacity: .18-.23 Mfds
Breaker Arm Spring Tension: 17-21 Ounces
Centrifugal Advance Data:
Advance Starts: 1 Degree @ 300 RPM
Full Advance: 15 Degrees @ 1,350 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movenent: 4" to 6" Vacuum
Inches of Vacuum for Full Plunger Travel: 14" - 16" Vacuum
Maximum Vacuum Advance: 6 Degrees
Delco-Remy Generator Specifications:
Generator #1102702
Generator Output: 30 Amperes @ 2,050 RPM
Brush Spring Tension: 28 Ounces
Direction of Rotation: Clockwise
Field Current @ 6 Volts: 1.75 - 1.95 Amperes
Regulator # 1118202
Cutout Relay:
Voltage to Close Points: 6.4 Volts
Reverse Current to Open Points: 0 to 3 Amperes
Armature Air Gap: .020"
Voltage Regulator Setting: 7.4 Volts
Current Regulator Setting: 36 Amperes
Current & Voltage Armature Air Gap: .075"
Ground Polarity: Positive
Delco-Remy Starting Motor Specifications, Series 40:
Part #1109451
Rotation: Clockwise
Brush Spring Tension: 24 - 28 Ounces
No Load Test: 60 Amperes, 5.7 Volts @ 6,000 RPM
Torque Test: 540 Amperes, 3.3 Volts @ 11.5 Ft Lbs Torque
Delco-Remy Starting Motor Specifications, Series 60:
Part #1107950
Rotation: Clockwise
Brush Spring Tension: 24 - 28 Ounces
No Load Test: 70 Amperes, 5.65 Volts @ 5,500 RPM
Torque Test: 570 Amperes, 3.15 Volts @ 12 Ft Lbs Torque
Carter Carburetor Specifications:
Carburetor Model: WA-1
Part #694S
Float Level: 1/2"
Idle Screw Setting: 3/4 to 1-3/4 Turns
Pump Adjustment Using Gauge T109-117S: 25
Metering Rod Gauge: T109-102
Anti-Percolator Adjustment: .030"
Fast Idle Adjustment: 5/8"
Unloader Adjustment: 7/16"
Choke Lockout Adjustment: With Throttle Valve wide open, push choke valve wide open. If it does not lock, bend lip at lower end of fast idle link.
Automatic Choke Setting: 2 Rich
Carburetor Model: WA-1
Part #683S
Float Level: 1/2"
Idle Screw Setting: 1/2 to 1-1/2 Turns
Pump Adjustment Using Gauge T109-117S: 27
Metering Rod Gauge: T109-102
Anti-Percolator Adjustment: .020"
Fast Idle Adjustment: 5/8"
Unloader Adjustment: 31/64"
Choke Lockout Adjustment: With Throttle Valve wide open, push choke valve wide open. If it does not lock, bend lip at lower end of fast idle link.
Automatic Choke Setting: Index
Fuel Pump Data:
Pump Type: W
Maximum Pressure: 4-1/2 PSI
Dash Gauge Manufacturers, Series 40:
Gasoline: Auto-Lite
Temperature: Auto-Lite
Oil Pressure: Auto-Lite
Ammeter: Auto-Lite
Dash Gauge Manufacturers, Series 60:
Gasoline: Auto-Lite
Temperature: Auto-Lite
Oil Pressure: King-Sealey
Ammeter: Auto-Lite
Brake Specifications, Nash "600", Series 4940
Lining Material: Molded
Lining Dimensions/Wheel in Inches: 17-1/2"
Width:
Front Primary: 2-1/2"
Front Secondary: 2"
Rear Primary: 2"
Rear Secondary: 1-3/4"
Thickness: 3/16"
Brake Shoe Clearance: Floating
Wheel Cylinder Bore:
Front: 1"
Rear: 7/8"
Master Cylinder Bore: 1"
Pedal Free Play: 3/8"
Brake Specifications, Ambassador, Series 4960
Lining Material: Molded
Lining Dimensions/Wheel in Inches: 22"
Width: 2",
Thickness: 3/16"
Brake Shoe Clearance: .015"
Wheel Cylinder Bore:
Front: 1-1/16"
Rear: 1"
Master Cylinder Bore: 1-1/8"
Pedal Free Play: 3/8"
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Wheel Alignment Specifications, All Series:
Caster: + 1/4 Degrees
Camber: 0 Degrees
Toe-In: 1/8" to 3/16"
Toe-Out on Turns:
Outer Wheel: 20 Degrees
Inner Wheel: 23-1/2 to 24 Degrees
Kingpin Inclination: 8-1/2 Degrees
Rear Axle Specifications, All Series:
Ring Gear & Pinion Backlash: .005"-.007"
Drive Pinion Adjustment: Shims
Drive Pinion Bearing Adjustment: Shims
Axle Shaft End Play: .002"-.004"
Beginning Engine Numbers:
Model 4940: S-1001 Kenosha, Wisconsin
S-1097 El Segundo, California
Model 4960: A-1001 Kensoha, Wisconsin
A-1072 El Segundo, California
Beginning Serial Numbers:
Model 4940: K-260501 Kenosha, Wisconsin
KC-1001 El Segundo, California
Model 4960: R-515501 Kenosha, Wisconsin
RC-1001 El Segundo, California
Popular Options
Overdrive, Bed (Single or Double), Tail Pipe Extension, Spotlight, Fog Lights, BAck Up Lights, Fuel Filter, Electric Snap Up Gas Cap, Trouble Light, License Plate Frames, Non-Glare Inside Mirror, Outside Rear View Mirrors (Right & Left), Vanity Visor Mirror, Radio, Manual Antenna, Vacuum Antenna, Turn Signals, Grille Guard, Rear Trunk Guard, Hood Ornaments, Wheel Discs, Wheel Trim Rings, Tissue Dispenser, Windshield Washer, Rear Window Wiper, White Sidewall Tires.
1949 Nash Historical Data
Total 1949 Nash Production was 130,000.
Promotional Model Cars Produced:
Metal: 4 Door Sedan
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