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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

1956 De Soto Fireflite 330 V8 Engine Specs

GENERAL SPECIFICATIONS

Model Designation: FirefliteDome V8 - S24

Wheel base: 126

Valve Location: In block

Bore and Stroke: 3.72 x 3.8

Piston displacement, Cubic Inches: 330

Compression ratio: 8.5

Maximum Brake Horsepower: 255 @ 4400 RPM

Maximum Torque Lbs.Ft. @ RPM: 350 @ 3200

Normal Oil Pressure Pounds: 50-65

TUNE UP SPECIFICATIONS

Spark Plug Make: Auto-Lite 4R-52

Spark Plug Gap, Inch: .035

Firing Order: 18436572 From front to rear Left bank: 1-3-5-7; Right bank: 2-4-6-8

Ignition Timing: 4 degrees BTDC Timing mark location: Vib. Damp.

Engine Idle Speed, RPM: 475

Cylinder Head Torque Lbs.Ft.: 85

Compression Pressure & Cranking Speed: 130 Min.

PISTON AND RING SPECIFICATIONS

Fitting Pistons with Scale: Removed from above
Shim thickness to use: .002
Pounds on Pull Scale: 5 to 12

Rings: (Fit rings in tapered bores for clearance shown in tightest portion of ring travel.)
Compression: .010; Oil: .010
Clearance in groove: Compression: .001-.0025; Oil: .001-.0025

Wristpin Diameter, Inch: .9216-.9218

VALVE SPECIFICATIONS

Operating Clearance: Intake: 0Exhaust: 0

Clearance for timing Intake: 0

Valve Seat Angle, degrees: 45

Valve Timing: (BTDC = before top dead center; ATDC = after top dead center)
Intake opens: 15 BTDC
Exhaust Closes: 15 ATDC

Valve Spring Pressure Pounds at Inches Length: Inner Spring: 72 @ 1.69; No Outer Spring

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: 2.5
Bearing clearance: .0005-.0015
Shaft End Play: .002-.007 (Thrust taken by center bearing)
Main bolt tension, Lbs.Ft.: 80-85

CAPACITY DATA

Cooling System: Without heater: 23 quarts
With heater: 24 quarts

Fuel Tank: 21 gallons

Engine Oil: 4 quarts

Transmission: Automatic: 10 quarts

Rear Axle: 3-1/2 pints

AUTO-LITE DISTRIBUTOR SPECIFICATIONS

Distributor part number: 1BJ-4302 (distributor rotates clockwise)

Cam Angle, degrees: 31

Breaker Point opening, Inch: .017 Plus or minus .002

Condenser Capacity: .25-.28 Mfds.

Breaker Arm Spring Tension: 17-20 Oz.

Centrifugal Advance: (degrees at RPM of distributor) Advance starts 1 degrees @ 375
Full Advance: 8-1/2 degrees @ 2200

Vacuum Advance Data: Degrees @ Inches of Mercury:
Advance starts: 1 @ 6
Full Advance: 12-1/2 @ 15

AUTO-LITE GENERATOR SPECIFICATIONS

Generator Number: GJC-7002A, GJC-7003B (generator rotates clockwise, 12 volts, Positive Ground)

Generator output: 30 @ 2250 RPM

Brush Spring Tension: 18-36 oz.

Field Current: 1.2-1.3 at 10 volts

AUTO-LITE REGULATOR SPECIFICATIONS

Regulator Number: VRX-6201A

Cutout Relay: Voltage to close points: 13.4
Reverse current to Open Points (Amps): 8.2 - 9.3
Armature Air Gap: .031

Voltage Regulator Setting: 14.4 volts

Current Regulator Setting: 34 amps

Current and voltage armature air gap, Inch: .048

AUTO-LITE STARTING MOTOR SPECIFICATIONS

Part number: MDF-6001 (starter 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, Lbs.Ft.: 6.5

WHEEL ALIGNMENT SPECIFICATIONS

Caster, Degrees
Limits: -2 to 0
Desired:-2; w/power steering: 0

Camber, Degrees
Limits: -1/8 to +5/8
Desired:
Left: +1/2, Right: 0

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, Degrees: 5-1/2 at 0 camber