1953 CORVETTE

General Specifications

Chasis:

Wheelbase: 102"

Overall Length: 167"

Tire Size: 6.70 x 15 inches

Body Data:

2 Door Convertible, 2 Passenger, Model #2934;

Base Price: $3,498; Shipping Weight: 2,705 Pounds;

Production Total: 300

Engine Specifications:

Bore & Stroke: 3-9/16" x 3-15/16"

Engine Displacement: 235 Cu. In.

Compression Ratio: 8.0 to 1;

Taxable Horsepower: 30.40

Horsepower: 150 @ 4,200 RPM

Maximum Torque: 223 Ft Lbs @ 2,400 RPM

Normal Oil Pressure: 45 Lb/Sq In.

1953 CORVETTE

Tune Up Specifications:

Ground Polarity: Negative

Voltage: 6 Volts

Spark Plug: AC 44-5

Spark Plug Gap .035"

Point Gap: .016"

Distributor Cam Angle: 41-47 Degrees

Firing Order: 1-5-3-6-2-4

Ignition Timing: Mark-Steel Ball Located on Flywheell

Engine Idle Speed: Automatic Transmission - 425 RPM

Cylinder Head Torque: 90-95 Ft. Lbs

Compression @ Cranking Speed - 130 Lb

Valve Specifications:

Operating (Tappet) Clearance, Hot: Intake .010; Exhaust .020

Clearance for Intake Timing: Zero

Valve Seat Angle: Intake 31 degrees; Exhaust 46 degrees, in head

Valve Timing: Intake Opens 19-1/2 Degree Before Top Dead Center

Exhaust Closes 5 Degrees After Top Dead Center

Valve Spring Pressure: 145 Lbs @ 1-1/2 inches

Valve Stem Clearance: Intake .001-.003; Exhaust .003-.005

Piston & Ring Data:

Fitting Pistons With Scale:

Piston Removal: From Above

Shim Thickness to Use: .0015"

Pounds Pull On Scale: 7 to 18

Ring Gap, Minimum:

Compression: .007"

Oil: .005

Ring Clearance in Groves

Compression: .002-.004

Oil: .001-.0025

Wrist Pin Diameter: .8660-.8665 inches

Engine Bearing Data:

Connecting Rod Bearing Journal Diameter: 2.311-1.312 inches

Rod Bearing Clearance: .0007-.0028 inches

Rod End Play: .005-.012 inches

Rod Bolt Tension: 35-45 Lbs. Ft.

Main Bearing Journal Diameter: Front: 2.6835-2.6845; No 2, 2.7145-2.7155

No 3, 2.7455-2.7465; No 4, .,7765-2.7775

Bearing Clearance: .0002"-.0028"

Crankshaft End Play: .0035"-.0095"

Main Bolt Tension: 100-110 Lbs. Ft.

Capacities:

Cooling System:

Without Heater: 17-3/4 Quarts

With Heater: 18-1/4 Quarts

Fuel Tank: 17-1/4 Gallons;

Engine Oil Refill: 5 Qts*

Automatic Transmission: 8 Qts (5 Qts. for pan gasket drain & change)

Rear Axle: 3-1/2 pints

* Add One Quart for Filter

Generators:

#1102793

Generator Output: 45 Amps @ 2,450 RPM

Brush Spring Tension: 28 Ounces

Field Current @ 6 Volts: 1.87-2.0 Volts

Regulator #1118725

Cutout Relay:

Voltage to Close Points: 6.4

Reverse Current to Open Points: 0-3 Amperes

Armature Air Gap: .020"

Voltage Regulator Setting: 7.4 Volts

Current Regulator Setting: 47 Amperes

Current & Voltage Armature Air Gap: .075"

Ground Polarity: Negative

Distributors:

#1112314

Clockwise Rotation

Cam Angle: 40-1/2 to 47-1/2 Degrees

Point Gap .016

Condensor .18-.23 Mfds.

Breaker Arm Tension: 19-23 Ounces

Centrifugal Advance Data:

Advance Starts: 1 Degree @ 375 RPM

Full Advance: 13 Degrees @ 1,750 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger Movement: 4 to 6 Degrees

Inches of Vacuum for Full Plunger Travel: 7-1/2 to 10 Inches

Maximum Vacuum Advance: 7-1/2 Degrees

Starting Motors:

#1107109 Clockwise Rotation

Brush Tension: 24-28 Ounces

No Load Test: 70 Amps, 5.65 Volts @ 5500 RPM

Torque Test: 550 Amps, 3.25 Volts. Torque 11 Ft Lb

Rear Axle & Brake Specifications:

Ring Gear Pinion Backlash: .005"-.008"

Drive Pinion Adjustment: Shims

Drive Pinion Bearing Adjustment: None

Axle Shaft End Play: Select Spacer for Free Fit to .014" Between Ends of Shaft & Spacer

Wheel Cylinder Bore:

Front 1-1/8 inches;

Rear: 1- inch;

Master Cylinder Bore: 1 inch;

Wheel Alignment Specifictions:

Caster: +1/2

Camber: +1/2

Toe In: 0 to 1/8""

Toe Out on Turns:

Outer Wheel: 17 Degrees

Inner Wheel: 20 Degrees

Kingpin Angle: 3-1/2 Degrees to 4-1/2 Degrees

Carburetor Types:

Carter YN (3 Carburetors Per Engine):

Carburetor #'s:

2066S, #3706151

2066SA, # 3706989

Float Level: 3/8"

Idle Screw Setting, Turns to Open: 1/2 to 1-1/2 Turns

Fast Udle Adjustment: .020"

Fuel Pump Data:

Fuel Pump Pressure: 3-1/2 to 4-1/2 PSI

VIN Numbers: E53F001001 - E53F00300

Popular Options:

Signal Seeking AM Radio; Heater; Whitesidewall Tires.

Paint Codes

567 Polo White

1953 Corvette Promotional Model Cars Available:

Plastic: Roadster

1953 Corvette Historical Data:

1953 Corvette Production began June 30, 1953.

Model Year Production: 300 Cars

Automatic Transmission was Standard Equipment.

Copyright 2000, Custom Solutions & Services