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ENGINE SPECS

1948 Chevrolet 216 (90 hp) Inline 6 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Six Cylinder Stylemaster 6, FJ; Fleetmaster 6, FK

Wheel base: 116

Valve Location: In head

Bore and Stroke: 3-1/2 x 3-3/4

Piston displacement, Cubic Inches: 216.5

Compression ratio: 6.50

Maximum Brake Horsepower: 90 @ 3300 RPM

Maximum Torque Lbs.Ft. @ RPM: 174 @ 1200

Normal Oil Pressure Pounds: 14

TUNE UP SPECIFICATIONS

Spark Plug Make: AC M8

Spark Plug Gap, Inch: .040

Firing Order: 153624

Ignition Timing: Timing mark: steel ball located on flywheel

Engine Idle Speed, RPM: Manual shift trans. 350; automatic trans. N/A

Cylinder Head Torque Lbs.Ft.: 75-80

Compression Pressure & Cranking Speed: 110

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale:
    Removed from Above
Shim thickness to use:
    Pistons should pass on a .002 feeler with light pressure, and lock on a .003 feeler;

Rings: (for tapered bores for minimum clearance fit rings in tightest portion of ring travel)
    Ring Gap, Minimum: Compression: .005
    Ring Gap, Minimum: Oil: .005
    Clearance in Groove: Compression: .0015-.003
    Clearance in Groove: Oil: .002-.0035

Wristpin Diameter, Inch: .8645-.8650

VALVE SPECIFICATIONS

Operating Clearance:
    Intake: .006 Hot
    Exhaust: .015 Hot

Clearance for Timing Intake: 0

Valve Seat Angle, degrees: 30

Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
    Intake opens: 1 degree ATDC
    Exhaust Closes Degrees ATDC: 9

Valve Spring Pressure Pounds at Inches Length:
     Spring: 125 @ 1-1/2

Valve Stem Clearance:
    Intake: .001-003
    Exhaust: .002-.004

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 2.311-2.312
    Bearing Clearance, Inch: .0003-.0013
    Rod End Play, Inch: .004-.012
    Rod Bolt Tension, Lbs.Ft.: 35-45

Main Bearings:
    Journal Diameter, Inches: Front: 2.6835 - 2,6845; No. 2: 2.7145-2.7155; No. 3: 2.7455-2.7465; No. 4: 2.7765-2.7775
    Bearing Clearance, Inch: .0007-.0024
    Crankshaft End Play, Inch (taken on No. 3 bearing): .003-.009
    Main Bolt Tension, Lbs.Ft.: 100-110

CAPACITY DATA

Cooling System:
    Without heater: 15 quarts
    With heater: 16 quarts

Fuel Tank: 16 gallons

Engine Oil: 5 quarts

Transmission: 1-1/2 pints;

Rear Axle: 3-1/2 pints

Other 1948 Chevrolet Engine Specs

1948 Chevrolet 216 (90 hp) Inline 6 Engine Specs

1948 Chevrolet 216 (90 hp) Inline 6 Engine Distributor Specs

1948 Chevrolet 216 (90 hp) Inline 6 Engine Generator Specs

1948 Chevrolet 216 (90 hp) Inline 6 Engine Regulator Specs

1948 Chevrolet 216 (90 hp) Inline 6 Engine Starting Motor Specs

Return to Chevrolet Engine Specs Index




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