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

