GENERAL SPECIFICATIONS
|
| Model Designation:
Royal 6: C38S; Windsor 6: C38W; Town and Country 6: C38 |
| Wheel base: 121-1/2 |
| Valve Location: In
block |
| Bore and
Stroke: 3-7/16
x 4-1/2 |
| Piston displacement, Cubic
Inches: 250.6 |
| Compression
ratio: 6.60 |
| Maximum
Brake Horsepower: 114
@ 3600 RPM |
| Maximum
Torque Lbs.Ft. @ RPM: 204
@ 1200 RPM |
| Normal
Oil Pressure Pounds: 40 |
TUNE UP SPECIFICATIONS (all models) |
| Spark Plug
Make: Auto-Lite A5 |
| Spark Plug
Gap, Inch: .025 |
| Firing
Order: 153624 |
| Timing
Mark: 2 degrees Before Top Dead Center; location: Vib. Damper |
| Engine
Idle Speed, RPM: 425 |
| Cylinder
Head Torque Lbs.Ft.: 70 |
| Compression
Pressure & Cranking Speed: 130 |
| Voltage & Polarity: 6
volts, positive ground |
PISTON AND RING SPECIFICATIONS
|
| Fitting
Pistons with Scale: Pistons
removed from above. Shim thickness: .002 |
| Pounds
on a Pull Scale: 5 to 7 |
Ring End
Gap: In tapered bores,
fit rings in tightest portion of ring travel
Compression: .007
Oil: .007 |
| Clearance in Groove: Compression:
.Top ring: .0025-.004, second ring: .002-.0035; 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: .001-.003; Exhaust:
.002-.004 |
ENGINE BEARING SPECIFICATIONS
|
Connecting Rod Bearings:
Journal
Diameter, Inches: 2.124-2.125
Bearing Clearance, Inch: .0005-.0015
Rod End Play, Inch: .006-.011
Rod Bolt Tension: Lbs.Ft.: 45-50 |
Main Bearings:
Journal
Diameter, Inches: 2.499-2.500
Bearing clearance: .001-.0015
Shaft End Play: .003-.007 (Thrust
on Rear Bearing)
Main Bolt Tension: Lbs.Ft.: 80-85 |
CAPACITY DATA
|
Cooling
System:
Without
heater: 18 quarts; With heater: 19 quarts |
| Fuel Tank: 17 gallons |
| Engine
Oil: 5 quarts |
| Transmission: Manual: 2-3/4 Pints; for semi-automatic trans: 3 pints |
| Rear Axle: 3-1/4
pints |
AUTO-LITE DISTRIBUTOR SPECIFICATIONS
|
| Distributor part number: 1GS-4208A-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: 12 @ 1525 RPM
Vacuum Advance (degrees @ Inches of Mercury)
Advance Starts: 1 @ 6
Full Advance: 9 @ 15 |
AUTO-LITE GENERATOR SPECIFICATIONS
|
| Generator
Number: GDZ-4801A
(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-4401A |
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: MAX-4050 (rotates clockwise) |
| Bush Spring
Tension, Ounces: 42-53 |
| No Load
Test: 65
amps, 5 volts @ 4900 RPM |
| Torque
Test: 410 Amps, 2.0
volts; Torque: 8.0 ft/lbs. |
WHEEL ALIGNMENT SPECIFICATIONS
|
Caster,
Degrees
Limits: -1
to +1
Desired: 0 |
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 |
