GENERAL SPECIFICATIONS
|
| Model Designation:
Crown Imperial: C70; New Yorker: C72; Chrysler 300B: C72-300; Imperial: C73 |
| Wheel base: Crown Imperial: 149-1/2; New Yorker & Chrysler 300B: 126; Imperial: 133 |
| Valve Location: In
head |
| Bore and
Stroke: 3-15/16 x 3-5/8 |
| Piston displacement, Cubic
Inches: 354 |
| Compression
ratio: 9.0 |
| Maximum
Brake Horsepower: 280
@ 4600 RPM; Chrysler 300B: 340 @ 5200 RPM |
| Maximum
Torque Lbs.Ft. @ RPM: 380
@ 2800 RPM; Chrysler 300B: 385 @ 3200 RPM |
| Normal
Oil Pressure Pounds: 50-65 |
TUNE UP SPECIFICATIONS |
| Spark Plug
Make: Auto-Lite AGR-42; Chrysler 300B: AGR-41 |
| 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: 4 degrees BTDC; Chrysler 300B: 8 degrees BTDC; Location: Vib. Damper |
| Engine
Idle Speed, RPM: 450; Chrysler 300B: 650 |
| Cylinder
Head Torque Lbs.Ft.: 85 |
| Compression
Pressure & Cranking Speed: 140 min.; Chrysler 300B: 150 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: .010
Oil: .020 |
| Clearance in Groove: Compression:
.002-.0035; Oil: .001-.0025 |
| 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: 15 BTDC; Chrysler 300B: 35 BTDC
Exhaust
Closes: 15 ATDC; Chrysler 300B: 25 ATDC |
Valve Spring
Pressure Pounds at Inches Length:
Inner
Spring: 72 @ 1-11/16; Chrysler 300B: Inner Spring: 28 @ 1.53; Outer Spring: 60 @ 1.66 |
| 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: 25 quarts; With heater: 26 quarts |
| Fuel Tank: 21 gallons; Chrysler 300B: 21-1/2 |
| Engine
Oil: 5 quarts, with oil filter add 1 quart |
| Transmission: Manual Transmission: 2-3/4; Automatic transmission: 11 qts. |
| Rear Axle: Crown Imperial: 5; New Yorker & Imperial: 3-1/4; Chrysler 300B: 3-1/2 |
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 |
