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Second Chance Garage

For the Classic Car
Restoration Enthusiast

Second Chance Garage

Second Chance Garage

For the Classic Car
Restoration Enthusiast

Second Chance Garage

Second Chance Garage

For the Classic Car Restoration Enthusiast

Second Chance Garage

ENGINE SPECS

1955 Dodge 270 V8 Engine Specs

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