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ENGINE SPECS

1949 Cadillac 331 V8 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Series 60S, Series 61, Series 62, Series 75
Wheel base: Series 60S: 133; Series 61: 126; Series 62: 126; Series 75: 136
Valve Location: In head
Bore and Stroke: 3-13/16 x 3-5/8
Piston displacement, Cubic Inches: 331.0
Compression ratio: 7.50
Maximum Brake Horsepower: 160 @ 3800 RPM
Maximum Torque Lbs.Ft. @ RPM: 312 @ 1800 RPM
Normal Oil Pressure Pounds: 35

TUNE UP SPECIFICATIONS (all models)

Spark Plug Make: AC 48X
Spark Plug Gap, Inch: .035
Firing Order: 18436572 (front to rear: Right bank 2-4-6-8, left bank 1-3-5-7)
Timing Mark: "A" mark for premiurm fuel; "C" mark for regular fuel; location: Vib. Damper
Engine Idle Speed, RPM:  Standard transmission: 375; w/automatic 375 (in drive)
Cylinder Head Torque Lbs.Ft.: 65-70
Compression Pressure & Cranking Speed: 140
Voltage & Polarity: 6 volts, negative ground

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale: Pistons removed from above. Shim thickness: .002
Pounds on a Pull Scale: 11
Ring End Gap: In tapered bores, fit rings in tightest portion of ring travel
Compression: .007
Oil: .007
Clearance in Groove: Compression: .0022-0035; Oil: .0015-.003
Wristpin Diameter, Inch: 1.000

VALVE SPECIFICATIONS

Operating Clearance:
     Intake: 0  Exhaust: 0
Valve Seat Angle, degrees: 44
Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
         Intake opens: 15 BTDC
         Exhaust Closes: 40 ATDC
Valve Spring Pressure Pounds at Inches Length:
    Inner Spring: 60 @ 1-11/16
Valve Stem Clearance: Intake: .001-.0025; Exhaust: .0015-.0035

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 2.2488-2.2493
    Bearing Clearance, Inch: .0005-.002
    Rod End Play, Inch: .008-.014
    Rod Bolt Tension: Lbs.Ft.: 40-45
Main Bearings:
    Journal Diameter, Inches: 2.4990-2.4995
    Bearing clearance: .0008-.0025
    Shaft End Play: .001-.005    (Thrust on Rear Bearing)
    Main Bolt Tension: Lbs.Ft.: 90-100

CAPACITY DATA

Cooling System:
    Without heater: 18 quarts
    With heater: 19
Fuel Tank: 20 gallons
Engine Oil: 5 quarts
Transmission: w/out overdrive: 2-1/2 pints; Automatic: 12 quarts
Rear Axle: 5 pints

DELCO-REMY DISTRIBUTOR SPECIFICATIONS

Distributor part number: 1110812 (distributor rotates counter-clockwise)
Cam Angle, degrees: 21-30
Breaker Point opening, Inch: .016
Condenser Capacity: .18-.23 Mfds.
Breaker Arm Spring Tension: 19-23 Oz.
Centrifugal Advance: (degrees at RPM of distributor)
    Advance starts: 3/4 @ 300 RPM
    Full Advance: 18-3/4 @ 1800 RPM

    Inches of Vacuum to Start Plunger Movement: 6-8
    Inches of Vacuum for Full Plunger Movement: 14
    Maximum Vacuum Advance Dist., Degrees: 9

DELCO-REMY GENERATOR SPECIFICATIONS

Generator Number: 1102700 (generator rotates clockwise, 6 volts, Negative Ground)
Generator output: 45 amps @ 3500 RPM
Brush Spring Tension: 25 oz.

DELCO-REMY REGULATOR SPECIFICATIONS

Regulator Number: 1118357
Cutout Relay:
    Voltage to close points: 6.4
    Reverse current to open points: 0-3
Voltage Regulator Setting: 7.3 volts
Current and Voltage Armature Air Gap: .075 inches
Current Regulator Setting: 42 amps

DELCO-REMY STARTING MOTOR SPECIFICATIONS

Part number: 1107945 (rotates clockwise)
Bush Spring Tension, Ounces: 24-28
No Load Test: 65 amps, 5 volts @ 5500 RPM
Torque Test: 600 Amps, 3.0 volts, Torque, Lbs.Ft.: 16

WHEEL ALIGNMENT SPECIFICATIONS

Caster, Degrees
    Limits: -1/2 to +1/2
    Desired: 0
Camber, Degrees
    Limits: -3/8 to +3/8
    Desired: 0
Toe-In, Inches: 1/16 to 1/8
Toe-Out on Turns, Degrees: (If toe-out is incorrect, when other adjustments are correct, look for bent steering arms.)
    Outer wheel: 20
    Inner Wheel: 24-1/2 to 25-1/2; Model 75: 23-1/2 to 24-1/2
Kingpin Angle, or Steering Axis Degrees: (If king pin or spindle support angle are incorrect, but camber is correct, look for bent suspension arms or steering knuckle support)
    5-5/6 @ 04 Camber

·  Understanding Second Chance Garage's Vintage Auto Engine Specs





 

 

 

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