GENERAL SPECIFICATIONS |
| Model Designation: Coronet V8: D55-1; Royal V8: D55-2; Custom Royal V8: D55-3 |
| Wheel base: 120 |
| Valve Location: In head |
| Bore and Stroke: 3-5/8 x 3-1/4 |
| Piston displacement, Cubic Inches: 270 |
| Compression ratio: 7.6 |
| Maximum Brake Horsepower: 175 @ 4400 RPM; Custom Royal Lancer: 183 @ 4400 RPM |
| Maximum Torque Lbs.Ft. @ RPM: 240 @ 2400 RPM; Custom Royal Lancer: 245 @ 2400 RPM |
| Normal Oil Pressure Pounds: 45 |
TUNE UP SPECIFICATIONS (all models) |
| Spark Plug Make: Auto-Lite 4S-165 |
| 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 Before Top Dead Center; location: Pulley |
| Engine Idle Speed, RPM: w/manual transmission: 475; w/automatic: 475 |
| Cylinder Head Torque Lbs.Ft.: 85 |
| Compression Pressure & Cranking Speed: 125 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: 5 to 10 |
Ring End Gap: In tapered bores, fit rings in tightest portion of ring travel
Compression: .007
Oil: .007 |
| Clearance in Groove: Compression: .001-.0025; Oil: .001-.0025 |
| Wristpin Diameter, Inch: .8591-.8593 |
VALVE SPECIFICATIONS
(Note: all Valve Specs. for Red Ram unless noted) |
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: 17 BTDC
Exhaust Closes: 9 ATDC |
Valve Spring Pressure Pounds at Inches Length:
Inner Spring: 53 @ 1-11/16; Outer spring: (single spring used)
Super Red Ram:
Inner Spring: 40 @ 1-11/16; Outer spring: 100 @ 1-5/16 |
| Valve Stem Clearance: Intake: .002; Exhaust: .002 |
ENGINE BEARING SPECIFICATIONS |
Connecting Rod Bearings:
Journal Diameter, Inches: 1.9365-1,9375
Bearing Clearance, Inch: .0005-.0015
Rod End Play, Inch: .006-.014
Rod Bolt Tension: Lbs.Ft.: 45-50 |
Main Bearings:
Journal Diameter, Inches: 2.3745-2.3755
Bearing clearance: .0005-.0015
Shaft End Play: .002-.007 (Thrust on Center Bearing)
Main Bolt Tension: Lbs.Ft.: 80-85 |
CAPACITY DATA |
Cooling System:
Without heater: 19 quarts; With heater: 20 quarts |
| Fuel Tank: 17 gallons |
| Engine Oil: 5 quarts |
| Transmission: Manual: 2-3/4 Pints; w/overdrive: 3-1/4 ; w/Automatic Transmission: 10 quarts |
| Rear Axle: 3-1/4 pints |
AUTO-LITE DISTRIBUTOR SPECIFICATIONS |
| Distributor part number: 1AZ-4003G, 1AZ-4003F (distributor rotates clockwise) |
| Cam Angle, degrees: 26-28 |
| 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 @ 425 RPM
Full Advance: 1AZ=4003G: 17 @ 1650 RPM; 1AZ-4003F: 13 @ 1625 RPM
Vacuum Advance (degrees @ Inches of Mercury)
Advance Starts: 1 @ 6
Full Advance: 1AZ-4003G: 4 @ 8-1/2; 1AZ-4003F: 7 @ 11 |
AUTO-LITE GENERATOR SPECIFICATIONS |
| Generator Number: GGW-6001, GGW-6012 (generator rotates clockwise, 6 volts, Positive Ground) |
| Generator output: 45 amps @ 2125 RPM |
| Brush Spring Tension: 35-53 oz. |
| Field Current at 5 Volts: 1.4-1.5 |
AUTO-LITE REGULATOR SPECIFICATIONS |
| Regulator Number: VBE-6001A |
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: 45 amps |
AUTO-LITE STARTING MOTOR SPECIFICATIONS |
| Part number: MCH-6205; MCH-6206 (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: -2 to 0
Desired: -1 |
Camber, Degrees
Limits: -1/8 to +5/8
Desired: +1/4 |
| 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: 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 @ 0 camber |
