ENGINE SPECS

1956 Chrysler 331 V8 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Windsor C71

Wheel base: 126

Valve Location: In head

Bore and Stroke: 3-13/16 x 3-5/8

Piston displacement, Cubic Inches: 331

Compression ratio: 8.5

Maximum Brake Horsepower: 225 @ 4400 RPM

Maximum Torque Lbs.Ft. @ RPM: 310 @ 2400 RPM

Normal Oil Pressure Pounds: 50-65

TUNE UP SPECIFICATIONS

Spark Plug Make: Auto-Lite AR-52

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: 2 degrees BTDC; Location: Vib. Damper

Engine Idle Speed, RPM: 450

Cylinder Head Torque Lbs.Ft.: 85

Compression Pressure & Cranking Speed: 140 min.

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale: Pistons removed from above. Shim thickness: .001

Pounds on a Pull Scale: 5 to 12

Ring End Gap: In tapered bores, fit rings in tightest portion of ring travel
Compression: .015
Oil: .015

Clearance in Groove: Compression: Upper: .0015-.0030; Intermediate: .001-.0025; Oil: .001-.003

Wristpin Diameter, Inch: .9841-9843

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: 5 BTDC
Exhaust Closes: 25 ATDC

Valve Spring Pressure Pounds at Inches Length:
Inner Spring: 72 @ 1-11/16

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

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 2.249-2.250
    Bearing Clearance, Inch: .0005-.0015
    Rod End Play, Inch: .006-.014
    Rod Bolt Tension: Lbs.Ft.: 45-50

Main Bearings:
    Journal Diameter, Inches: 2.499-2.500
    Bearing clearance: .0005-.0015
    Shaft End Play: .003-.007    (Thrust on No. 3 Bearing)
    Main Bolt Tension: Lbs.Ft.: 80-85

CAPACITY DATA

Cooling System:
Without heater: 24 quarts; With heater: 25 quarts

Fuel Tank: 21 gallons

Engine Oil: 5 quarts, with oil filter add 1 quart

Transmission: Manual Transmission: 2-3/4; Automatic transmission: 11 qts.

Rear Axle: 5

AUTO-LITE DISTRIBUTOR SPECIFICATIONS

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

Cam Angle, degrees: 1BJ-4303A: 31; 1BK-4301A: 38

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: 1 @ 375 RPM
    Full Advance: 1BJ-4303A: 14 @ 2025 RPM; 1BK-4301A: 14 @ 2050 RPM
Vacuum Advance (degrees @ Inches of Mercury)
    Advance Starts: 1BJ-4303A: 1 @ 7; 1BK-4301A: 1 @ 6
    Full Advance: 1BJ-4303A: 11 @ 15; 1BK-4301A: 11-1/2 @ 17

AUTO-LITE GENERATOR SPECIFICATIONS

Generator Number: GJC-7002B; GJC-7003A; GJC-7003AA (12 volt negative ground)

Generator output: 30 amps @ 2250

Brush Spring Tension: 18-36 oz.

Field Current at 10 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

Current and Voltage Armature Air Gap: .048 inches

Current Regulator Setting: 34 amps

AUTO-LITE STARTING MOTOR SPECIFICATIONS

Part number: MDF-6001 (rotates clockwise)

Bush Spring Tension, Ounces: 42-53

No Load Test: 60 amps, 10 volts @ 3200 RPM

Torque Test: 240 Amps, 4.0 volts; Torque: 6.5 ft/lbs.

WHEEL ALIGNMENT SPECIFICATIONS

Caster, Degrees
Limits: -2 to 0
Desired: with manual steering: -2; with power steering: 0

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

Toe-In, Inches: 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: 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 to 0 Camber