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ENGINE SPECS

1948 Dodge 230 Inline 6 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: Deluxe Six: D24S; Custom Six: D24C

Wheel base: 119-1/2

Valve Location: In block

Bore and Stroke: 3-1/4 x 4-5/8

Piston displacement, Cubic Inches: 230.2

Compression ratio: 6.7

Maximum Brake Horsepower: 102 @ 3600 RPM

Maximum Torque Lbs.Ft. @ RPM: 184 @ 1200 RPM

Normal Oil Pressure Pounds: 45

TUNE UP SPECIFICATIONS (all models)

Spark Plug Make: Auto-Lite A5

Spark Plug Gap, Inch: .025

Firing Order: 153624

Timing Mark: 2 degrees at Top Dead Center; location: Vib. Damper

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

Cylinder Head Torque Lbs.Ft.: 70

Compression Pressure & Cranking Speed: 110 min.

Voltage & Polarity: 6 volts, positive ground

PISTON AND RING SPECIFICATIONS

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

Pounds on a Pull Scale: 10 to 17

Ring End Gap: In tapered bores, fit rings in tightest portion of ring travel
Compression: .007
Oil: .007

Clearance in Groove: Compression: .0025-004; Oil: .001-.0025

Wristpin Diameter, Inch: .8591-.8593

VALVE SPECIFICATIONS

Operating Clearance:
     Intake: .008 Hot;  Exhaust: .010 Hot

Valve Seat Angle, degrees: 45

Clearance for Timing Intake: .014

Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
         Intake opens: 12 BTDC
         Exhaust Closes: 6 ATDC

Valve Spring Pressure Pounds at Inches Length:
    Inner Spring: 40 @ 1-3/4

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

ENGINE BEARING SPECIFICATIONS

Connecting Rod Bearings:
    Journal Diameter, Inches: 2.0615-2,0625
    Bearing Clearance, Inch: .006-.011
    Rod End Play, Inch: .006-.011
    Rod Bolt Tension: Lbs.Ft.: 45-50

Main Bearings:
    Journal Diameter, Inches: 2.488-2.500
    Bearing clearance: .0005-.0015
    Shaft End Play: .003-.007    (Thrust on Rear Bearing)
    Main Bolt Tension: Lbs.Ft.: 80-85

CAPACITY DATA

Cooling System:
    Without heater: 15 quarts; With heater: 16 quarts

Fuel Tank: 17 gallons

Engine Oil: 5 quarts

Transmission: Manual: 2-3/4 Pints

Rear Axle: 3-1/4 pints

AUTO-LITE DISTRIBUTOR SPECIFICATIONS

Distributor part number: 1GS-4207A-1 (distributor rotates clockwise)

Cam Angle, degrees: 39

Breaker Point opening, Inch: .020

Condenser Capacity: .25-.28 Mfds.

Breaker Arm Spring Tension: 17-20 Oz.

Centrifugal Advance: (degrees at RPM of distributor)
    Advance starts: 1 @ 370 RPM
    Full Advance: 10 @ 1150 RPM

Vacuum Advance (degrees @ Inches of Mercury)
    Advance Starts: 1 @ 6-1/4
    Full Advance: 8-1/2 @ 16

AUTO-LITE GENERATOR SPECIFICATIONS

Generator Number: GDZ-4801A, GDZ-4801B (generator rotates clockwise, 6 volts, Positive Ground)

Generator output: 35 amps @ 2000 RPM

Brush Spring Tension: 35-53 oz.

Field Current at 5 Volts: 1.3-1.5

AUTO-LITE REGULATOR SPECIFICATIONS

Regulator Number: VRP-4503A

Cutout Relay:
    Voltage to close points: 6.5
    Reverse current to open points: 4-6
    Armature Air Gap: .031 inches

Voltage Regulator Setting: 7.3 volts

Current and Voltage Armature Air Gap: .048 inches

Current Regulator Setting: 35 amps

AUTO-LITE STARTING MOTOR SPECIFICATIONS

Part number: MAW-4041 (rotates clockwise)

Bush Spring Tension, Ounces: 42-53

No Load Test: 65 amps, 5 volts @ 4300 RPM

Torque Test: 335 Amps, 2.0 volts; Torque: 6.0 ft/lbs.

WHEEL ALIGNMENT SPECIFICATIONS

Caster, Degrees
    Limits: 0 to +1
    Desired: +1/2

Camber, Degrees
    Limits: 0 to +3/4
    Desired: +3/8

Toe-In, Inches: 0 to 1/16

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: 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)
    4-3/4 to 6


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