ENGINE SPECS

1956 Dodge 315 V8 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Royal V8: D-63-2, Custom Royal V8: D-63-3

Wheel base: 120

Valve Location: In head

Bore and Stroke: 3.63 x 3.80

Piston displacement, Cubic Inches: 315

Compression ratio: 8.0

Maximum Brake Horsepower: 218 @ 4400 RPM

Maximum Torque Lbs.Ft. @ RPM: 309 @ 2000 RPM

Normal Oil Pressure Pounds: 50-65

TUNE UP SPECIFICATIONS (all models)

Spark Plug Make: Auto-Lite 4R52

Spark Plug Gap, Inch: .035

Firing Order: 18436572 front to rear: left bank: 1-3-5-7; right bank: 2-4-6-8

Timing Mark: 6 degrees Before Top Dead Center; location: Pulley

Engine Idle Speed, RPM: w/manual transmission: 475; w/automatic: 475

Cylinder Head Torque Lbs.Ft.: 85

Compression Pressure & Cranking Speed: 120 min.

Voltage & Polarity: 12 volts, negative ground

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale: Pistons removed from above. Shim thickness: .0015

Pounds on a Pull Scale: 5 to 10

Ring End Gap: In tapered bores, fit rings in tightest portion of ring travel
Compression: .010
Oil: .010

Clearance in Groove: Compression: .001-.0025; Oil: .001-.003

Wristpin Diameter, Inch: .9215-.9218

VALVE SPECIFICATIONS

Operating Clearance:
Intake: 0; Exhaust: 0

Valve Seat Angle, degrees: 45

Clearance for Timing Intake: 0

Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
Intake opens: 11 BTDC
Exhaust Closes: 15 ATDC

Valve Spring Pressure Pounds at Inches Length:
Inner Spring: 53 @ 1.69; Outer spring: (single spring used)

Valve Stem Clearance: Intake: .002; Exhaust: .003

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 2.25
    Bearing Clearance, Inch: .0005-.0015
    Rod End Play, Inch: .006-.014
    Rod Bolt Tension: Lbs.Ft.: 45-50

Main Bearings:
    Journal Diameter, Inches: 2.50
    Bearing clearance: .0005-.0015
    Shaft End Play: .002-.007    (Thrust on Center Bearing)
    Main Bolt Tension: Lbs.Ft.: 80-85

CAPACITY DATA

Cooling System:
Without heater: 20 quarts; With heater: 21 quarts

Fuel Tank: 17 gallons

Engine Oil: 5 quarts

Transmission: Manual: 2-3/4 Pints; w/overdrive: 3-1/4 ; w/Automatic Transmission: 10 quarts

Rear Axle: 3-1/4 pints

AUTO-LITE DISTRIBUTOR SPECIFICATIONS

Distributor part number: 1BJ-4301A, 1BJ-4303, 1BJ-4303B (distributor rotates clockwise)

Cam Angle, degrees: 31

Breaker Point opening, Inch: .017

Condenser Capacity: .25-.28 Mfds.

Breaker Arm Spring Tension: 17-20 Oz.

Centrifugal Advance: (degrees at RPM of distributor)
    Advance starts: 1BJ-4301A: 1 @ 400 RPM; 1BJ-4303: 1 @ 415 RPM; 1BJ-4303B: 1 @ 410 RPM
    Full Advance: 1BJ-4301A: 15 @ 2150 RPM; 1BJ-4303: 16 @ 2350; 1BJ-4303B: 15 @ 2350 RPM
Vacuum Advance (degrees @ Inches of Mercury)
    Advance Starts: 1 @ 6; 1BJ-4303: 1 @ 7
    Full Advance: 1BJ-4301A: 12-1/2 @ 15; 1BJ-4303: 11 @ 15; 1BJ-4303B: 8 @ 12

AUTO-LITE GENERATOR SPECIFICATIONS

Generator Number: GJC-7001A, GJC-7002A, GJC-1003B (generator rotates clockwise, 12 volts, Negative Ground)

Generator output: 30 amps @ 2250 RPM

Brush Spring Tension: 18-36 oz.

Field Current at 5 Volts: 1.2-1.3

AUTO-LITE REGULATOR SPECIFICATIONS

Regulator Number: VRX-6201A

Cutout Relay:
    Voltage to close points: 13.4
    Reverse current to open points: 8.2-9.3
    Armature Air Gap: .031 inches

Voltage Regulator Setting: 14.4 volts

Current and Voltage Armature Air Gap: .048 inches

Current Regulator Setting: 30 amps

AUTO-LITE STARTING MOTOR SPECIFICATIONS

Part number: MDF-6002, MDF-6007, MDG-6001, MDG-6002 (rotates clockwise)

Bush Spring Tension, Ounces: 42-53

No Load Test: MDF-6002, MDF-6007: 60 amps, 10 volts @ 3200 RPM; MDG-6001, MDG-6002: 50 amps @ 4400 RPM

Torque Test: MDF-6002, MDF-6007: 240 Amps, 4.0 volts; Torque: 6.5 ft/lbs.; MDG-6001, MDG-6002: 210 amps, 4.0 volts, Torque: 5.0 ft/lbs.

WHEEL ALIGNMENT SPECIFICATIONS

Caster, Degrees
Limits: -2 to 0
Desired: -2 (with power steering: 0 preferred)

Camber, Degrees
Limits: -1/8 to +5/8
Desired: +1/4

Toe-In, Inches: 3/32 to 5/32

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: 20-1/2 to 22-1/2

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)
5-1/2 @ 0 camber