1947 Chevrolet 216 Inline 6 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Six Cylinder Stylemaster 6, EJ; Fleetmaster 6, EK

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: Prior to Eng. No. 572,254 intake opens 3 degrees BTDC. After Eng. No. 572,253, intake opens 1 degree ATDC
Exhaust Closes Degrees ATDC: 5

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: .001-.0025
    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: .0015-.0035
    Crankshaft End Play, Inch (taken on No. 3 bearing): .004-.007
    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

DELCO-REMY DISTRIBUTOR SPECIFICATIONS

Distributor part number: 1110090 (distributor rotates clockwise)

Cam Angle, degrees: 31-37

Breaker Point opening, Inch: .022

Condenser Capacity: .18-.23 Mfds.

Breaker Arm Spring Tension: 17-21 Oz.

Centrifugal Advance:
Advance starts 1-1/2 degrees @ 350
Full Advance: 19 degrees @ 1700 RPM

Vacuum Advance Data:
    Inches of vacuum to start plunger movement: 7-8-1/2
    Inches of vacuum for full plunger travel: 16-1/2 - 18-1/2
    Maximum vacuum advance, Dist. degrees: 10