1948 CHEVROLET
All Series, 6 Cylinder
General Specifications
Wheelbase: 116 inches
Bore & Stroke: 3-1/2" x 3-3/4"
Engine Displacement: 216.5 Cu. In.
Compresssion Ratio: 6.5 to 1
Taxable Horsepower: 29.40
Horsepower: 90 @ 3,300 RPM;
Max. Torque: 174 Ft. Lbs. @ 1,200 RPM
Normal Oil Pressure: 14 Lb/Sq. In.
Rear Axle Ratio: 4.11:1
Tire Size: 6.00 x 16 inches; 6.70 x 15 inches optional, Pressures: 26 Front, 28 Rear
STYLEMASTER BODY, SPECIAL SERIES 1500FJ
4 Door Sport Sedan, 6 Passenger; Model #48-FJ; Body & Style #1503;
Base Price: $1,371; Shipping Weight: 3,115 Pounds; Production Total: 48,456
2 Door Town Sedan, 6 Passenger, Model #48-FJ; Body & Style #1502;
Base Price: $1,313; Shipping Weight: 3,095 Pounds; Production Total: 70,228
2 Door Sport Coupe, 6 Passenger, Model #48-FJ; Body & Style #1524;
Base Price: $1,323; Shipping Weight: 3,020 Pounds; Production Total: 34,513
2 Door Business Coupe, 3 Passenger, Model #48-FJ; Body & Style #1504;
Base Price: $1,244; Shipping Weight: 3,045; Production Total: 18,396
FLEETMASTER BODY, SPECIAL SERIES 2100FK
4 Door Sport Sedan, 6 Passenger, Model #48-FK; Body & Style #2103;
Base Price: $1,439; Shipping Weight: 3,150 Pounds; Production Total: 93,142
2 Door Town Sedan, 6 Passenger, Model #48-FK; Body & Style #2102;
Base Price: $1,381; Shipping Weight: 3,110 Pounds: Production Total: 66,208
2 Door Sport Coupe, 6 Passenger, Model #48-FK; Body & Style #2124;
Base Price: $1,402; Shipping Weight: 3,050 Pounds; Production Total: 58,786
Convertible Coupe, 5 Passenger, Model #48-FK; Body & Style #2134;
Base Price: $1,750; Shipping Weight: 3,340 Pounds; Production Total: 20,471
4 Door Station Wagon, 8 Passenger, Model 48-FK; Body & Style #2109;
Base Price: $2,013; Shipping Weight: 3,430; Production Total: 10,171
FLEETLINE FK SUB-SERIES
4 Door Sport Master Sedan, 6 Passenger, Model #48-FK; Body & Style #2113;
Base Price: $1,492; Shipping Weight: 3,150 Pounds: Production Total: 83,760
2 Door Aero Sedan, 5 Passenger, Model #48-FK; Body & Style #2144;
Base Price: $1,434; Shipping Weight: 3,100 Pounds; Production Total: 211,861
1948 CHEVROLET
Tune Up Specifications - All Series
Spark Plug: AC M8
Gap .040
Firing Order: 153624;
Ignition Timing: Mark-Steel Ball Located on Flywheell
Engine Idle Speed: Manual Transmission - 350 RPM;
Cylinder Head Torque: 75-80 Ft. Lbs;
Compression @ Cranking Speed - 110 Lb
Belts & Hoses
Fan Belt: Goodyear #22424, or Equivalent
Radiator Hoses: Upper: Goodyear #60083*, 520007 or Equivalent
Lower: Goodyear: #52413, or Equivalent
* Cut to fit.
Underseat Heater Hose: 5/8" by 17.00 Feet.
Valve Specifications
Operating (Tappet) Clearance, Hot: Intake .006; Exhaust .015
Valve Stem Clearance:
Intake .001-.003; Exhaust .002-.004
Clearance for Intake Timing: Zero
Valve Seat Angle:
Intake 30 degrees; Exhaust 30 degrees, in head
Valve Timing: Intake Opens 1 degree After Top Dead Center
Exhaust Closes 9 degrees After Top Dead Center
Valve Spring Pressure: 125 Lbs @ 1-1/2 inches
Piston & Ring Data-All Series
Piston Removal: From Above
Shim Thickness to Use: Piston should pass at .002" and lock at .003"
Ring Gap, Minimum:
Compression: 216 Engine: .005"
Ring Clearance in Groves:
Compression: .0015-.003 Oil: .002-.0035
Wrist Pin Diameter: .8645-.8650 inches
Engine Bearing Data
Connecting Rod Bearing Journal Diameter: 2.311-2.312 inches
Rod Bearing Clearance: .0003-.0013 inches
Rod End Play: .004-.012 inches
Rod Bolt Tension: 35-45 Lbs. Ft.
Main Bearing Journal Diameter: Front, 2.6835-2.6845; No 2, 2.7145-2.7155
No. 3, 2.7455-2.7465; No 4, 2,7765-2,7775
Main Bearing Clearance: .0007-.0024 inch
Crankshaft End Play: .003-.009 Inch (Thrust taken on #3 bearing)
Main Bolt Tension: 100-110 Lbs. Ft.
Camshaft End Play: Free to .003 inches
Camshaft Bearing Clearance: .002-.004
Capacities-All Series
Cooling System: 15 Qts. without Heater; 16 Quarts with Heater
Fuel Tank: 16 Gallons
Engine Oil Refill: 5 Qts; Grade of Oil: +32 F 20
+10 F 20W
- 10 F 10W
Manual Transmission: 1-1/2 pints; Grade of Oil: Summer & Winter 90
Rear Axle: 3-1/2 pints; Grade of Oil: Summer & Winter 90H
Generators
#110667
Generator Output: 35 Amps @ 2,400 RPM
Brush Spring Tension: 25 Ounces
Field Current @ 6 Volts: 1.75-1.9 Volts
Regulator #1118201
Cutout Relay:
Voltage to Close Points: 6.4
Reverse Current to Open Points: 0-3 Amperes
Armature Air Gap: .020"
Voltage Regulator Setting: 7.4 Volts
Current Regulator Setting: 36 Amperes
Current & Voltage Armature Air Gap: .075"
Ground Polarity: Negative
Distributors
#1110090
Clockwise Rotation
Cam Angle: 31-37 degrees
Point Gap .022
Condensor .18-.23 Mfds.
Breaker Arm Tension: 17-21 Ounces
Centrifugal Advance Data:
Advance Starts: 1-1/2 Degrees @ 350 RPM
Full Advance: 19 Degrees @ 1,700 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 7 to 8-1/2 Inches
Inches of Vacuum for Full Plunger Travel: 16-1/2 to 18-1/2 Inches
Maximum Vacuum Advance: 10 Degrees
Starting Motors
#1107061 Clockwise Rotation
Brush Tension: 24-28 Ounces;
No Load Test: 65 Amps, 5.67 Volts @ 5000 RPM
Torque Test: 525 Amps, 3.37 Volts; Torque 12 Ft Lb
#1107055 Clockwise Rotation: Brush Tension 24-28 Ounces;
No Load Test: 65 Amps, 5.67 Volts @ 5000 RPM
Torque Test: 525 Amps, 3.37 Volts; Torque 12 Ft Lb
Beginning Engine Number: FA-1001
Beginning Serial Numbers: FJ Series: FJ-1001; FK Series: FK-1001
Brake Specifications-All Series
Lining Deminsions in Inches/Wheel:
Length, 22;
Width 1-3/4; Thickness 3/16
Wheel Cylinder Bore: Front 1-1/4 inches; Rear: 1-3/16 inches;
Master Cylinder Bore: 1 inch; Drum Size: 11 inches
Adjustment: Adjust to slight drag then back off 4 notches
Wheel Allignment Specifictions-All Series
Caster: - 1/2 to + 1/2, (Desired is 0)
Camber: - 3/4 to + 3/4 (Desired is 0)
Toe In; 0 to 1/16 inches
Toe Out on Turns: Outer Wheel-20 degrees; Inner Wheel-22-26 degrees;
Kingpin Angle: 3-1/2 degrees to 4-1/2 degrees
Rear Axle Data
Ring Gear & Pinion Backlash: .005-.007 Inch
Drive Pinion Adjustment: Shims
Drive Pinion Bearing Adjustment: None
Axle Shaft End Play: .000-.014 Inch
Chasis Specifications-All Series
Overall Length: All Body Styles - 207-1/2 inches;
Front Tread: 57.6 inches; Rear Tread: 60 inches;
Carburetor Types
Carter W-1
Part # 684S
Casting #603
Repair Kit #1500A
Float Level: 1/2"
Screw Setting, Turns to Open: 1 to 2
Metering Rod Gauge: T109-25
Carter W-1
Part # 574S
Casting #421
Repair Kit #1089C
Float Level: 1/2"
Screw Setting, Turns to Open: 1-1/4 to 2-1/4
Metering Rod Gauge: T109-25
Fuel Pump Data
Pump Pressure: 3-1/2 to 4-1/2 PSI
Popular Options
Manual Radio, Push Button Radio, Under dash heater with defroster, In dash Deluxe heater with defroster, Wheel trim rings; 15 inch wheels, Chrome wheels, Spotlight, Fog lamps, Directional signals, Back-up lamps, Windshield Washer, Front & Rear Bumper Wing Guards, Chrome Gravel Shields, Clock in Stylemaster Series, Engine Oil Filter, Oil Bath Air Cleaner.
"Country Club" wood-grained trim package available through dealers, produced by Engineered Enterprises of Detroit, Michigan, available only on Fleetline Aero Sedan, Fleetmaster Town Sedan, and Convertible only.
Paint Codes
347 Battleship Gray Poly 370 Live Oak Green Poly 371 Lake Como Blue
372 Dove Gray Poly 373 Silver Gray Green Poly 375 Oxford Maroon
Marsh Brown Poly Satin Green
Two Tones:
377 Marsh Brown Poly Upper & Satin Green Lower
378 Live Oak Green Poly Upper & Silver Gray Green Poly Lower
379 Battleship Gray Poly Upper & Dove Gray Poly Lower
380 Dove Gray Poly Upper & Lake Como Blue Lower
1948 Chevrolet Promotional Model Cars Available
Pot Metal:
Fleetlline 2 door Sedan
1948 Chevrolet Historical Data
Dealer introduction of the 1948 Chevrolet was in February 1948..
Insert type of main bearings were used in Chevrolet engines for the first time in 1948.
The business coupe had a front seat only.
Total model year production: 715,992
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