1968 CHEVROLET

FULL SIZED CARS

General Specifications

Model Designations:

Biscayne, Series 153, 6 Cylinder or Series 154, 8 Cylinder

Bel Air, Series 155, 6 Cylinder or Series 156, 8 Cylinder

Impala, Series 163, 6 Cylinder or Series 164, 8 Cylinder

Caprice, Series 166, 8 Cylinder

Chasis Features:

Wheelbase: 119 Inches - All Series

Overall Length, All Series:

Passenger Cars: 215 Inches

Station Wagons: 214 Inches

Tire Sizes:

Passenger Cars: 8.25 x 14 Inches

Station Wagons: 8.55 x 14 Inches

1968 Chevrolet (Full Sized) Engines:

6 Cylinder, Inline, Overhead Valve, 250 Cu. In., 155 HP

8 Cylinder, V-Type, Overhead Valve, 307 Cu. In., 200 HP

8 Cylinder, V-Type, Overhead Valve, 327 Cu. In., 250 HP

8 Cylinder, V-Type, Overhead Valve, 327 Cu. In., 275 HP

8 Cylinder, V-Type, Overhead Valve, 396 Cu. In., 325 HP

8 Cylinder, V-Type, Overhead Valve, 427 Cu. In., 385 HP

8 Cylinder, V-Type, Overhead Valve, 427 Cu. In., 425 HP

See 1968 Chevrolet Engines & Engine Accessories Data File for additional information on all engines and engine accessories.

BISCAYNE, SERIES 153, 6 CYLINDER:

Model #15369; 4 Door Sedan, 6 Passenger,

Base Price: $2,623; Shipping Weight: 3,465 Lbs.

Model #15311, 2 Door Sedan, 6 Passenger,

Base Price: $2,581; Shipping Weight: 3,400 Lbs..

Model #15335, 4 Door Station Wagon , 6 Passenger

Base Price: $2,957; Shipping Weight: 3,790 Lbs

BISCAYNE, SERIES 154, 8 CYLINDER:

Model #15469; 4 Door Sedan, 6 Passenger,

Base Price: $2,728; Shipping Weight: 3,585 Lbs.

Model #15411, 2 Door Sedan, 6 Passenger,

Base Price: $2,547; Shipping Weight: 3,465 Lbs..

Model #15435, 4 Door Station Wagon, 6 Passenger

Base Price: $3,062; Shipping Weight: 3,900 Lbs.

BEL AIR, SERIES 155, 6 CYLINDER:

Model #15569, 4 Door Sedan, 6 Passenger,

Base Price: $2,723; Shipping Weight: 3,466 Lbs.

Model #15511, 2 Door Sedan, 6 Passenger

Base Price: $2,681; Shipping Weight: 3,404 Lbs.

Model #15545, 4 Door Station Wagon, 9 Passenger,

Base Price: $3,183 Shipping Weight: 3,878 Lbs.

Model #15535, 4 Door Station Wagon, 6 Passenger,

Base Price: $3,020 Shipping Weight: 3,823 Lbs.

BEL AIR, SERIES 156, 8 CYLINDER:

Model #15669, 4 Door Sedan, 6 Passenger,

Base Price: $2,828; Shipping Weight: 3,582 Lbs.

Model #15611, 2 Door Sedan, 6 Passenger

Base Price: $2,786; Shipping Weight: 3,518 Lbs.

Model #15645, 4 Door Station Wagon, 9 Passenger,

Base Price: $3,238; Shipping Weight: 3,981 Lbs.

Model #15635, 4 Door Station Wagon, 6 Passenger,

Base Price: $3,125; Shipping Weight: 3,926 Lbs.

IMPALA, SERIES 163, 6 CYLINDER:

Model #16369, 4 Door Sedan, 6 Passenger,

Base Price: $2,846; Shipping Weight: 3,515 Lbs.

Model #16339, 4 Door Hardtop Sport Sedan, 6 Passenger,

Base Price: $2,917; Shipping Weight: 3,601 Lbs.

Model #16337, 2 Door Hardtop Sport Coupe, 6 Passenger

Base Price: $2,863; Shipping Weight: 3,517 Lbs.

IMPALA, SERIES 164, 8 CYLINDER:

Model #16469, 4 Door Sedan, 6 Passenger,

Base Price: $2,951; Shipping Weight: 3,623 Lbs.

Model #16439, 4 Door Hardtop Sport Sedan, 6 Passenger

Base Price: $3,022; Shipping Weight: 3,711 Lbs.

Model #16437, 2 Door Hardtop Sport Coupe, 6 Passenger

Base Price: $2,968; Shipping Weight: 3,623 Lbs.

Model #16447, 2 Door Formal Top Coupe, 6 Passenger

Base Price: $3,021; Shipping Weight: 3,628 Lbs.

Model #16467, Impala 2 Door Convertible, 6 Passenger

Base Price: $3,197; Shipping Weight: 3,677 Lbs.

Model #16435, 4 Door Station Wagon, 6 Passenger

Base Price: $3,245; Shipping Weight: 3,984 Lbs.

Model #16345, 4 Door Station Wagon, 9 Passenger

Base Price: $3,358; Shipping Weight: 4,042 Lbs.

CAPRICE, SERIES 166, 8 CYLINDER:

Model #16639, 4 Door Hardtop Sport Sedan, 6 Passenger

Base Price: $3,271; Shipping Weight: 3,754 Lbs.

Model #16647, 2 Door Formal Top Coupe, 6 Passenger

Base Price: $3,219; Shipping Weight: 3,648 Lbs.

Model #16435, 4 Door Station Wagon, 6 Passenger

Base Price: $3,458; Shipping Weight: 4,003 Lbs.

Model #16645, 4 Door Station Wagon, 9 Passenger

Base Price: $3,570; Shipping Weight: 4,062 Lbs.

1968 CHEVROLET

Tune Up Specifications - All Series:

6 Cylinder Engine, Standard Transmission:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug:

Type AC 46N

Gap: .035"

Point Gap: .019"

Dwell Angle:: 31-34 Degrees

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

Ignition Timing: TDC

Location: Vibration Damper

Engine Idle Speed:

Standard Transmission: 700 RPM (With Air Conditioning Off)

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

6 Cylinder Engine, Automatic Transmission:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug:

Type AC 46N

Gap: .035"

Point Gap: .019"

Dwell Angle:: 31-34 Degrees

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

Ignition Timing: 4 Degrees BTDC

Location: Vibration Damper

Engine Idle Speed:

Automatic Transmission: 600 RPM in Drive, (With Air Conditioning On)

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

8 Cylinder Engine, 307 Cu. In.:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug:

Type: AC 45S

Gap: .035"

Point Gap: .019"

Distributor Cam Angle: 28-32 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 2 Degrees BTDC

Timing Mark Location: Viabration Damper

Engine Idle Speed:

Standard Transmission: 700 RPM; (With Air Conditioning Off)

Automatic Transmission: 600 RPM in Drive; (With Air Conditioning Off)

Fuel Pump Pressure: 5 to 6-1/2 PSI

8 Cylinder Engine, 327 Cu. In., 250 HP:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug:

Type: AC 44S

Gap: .035"

Point Gap: .019"

Distributor Cam Angle: 28-32 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 4 Degrees BTDC

Timing Mark Location: Viabration Damper

Engine Idle Speed:

Manual Transmission: 700 RPM; (With Air Conditioning On)

Automatic Transmission: 600 RPM in Drive; (With Air Conditioning Off)

Fuel Pump Pressure: 5 to 6-1/2 PSI

8 Cylinder Engine, 327 Cu. In., 275 HP with Standard Transmission:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug:

Type: AC 44

Gap: .035"

Point Gap: .019"

Distributor Cam Angle: 28-32 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: TDC

Timing Mark Location: Viabration Damper

Engine Idle Speed:

Manual Transmission: 700 RPM; (With Air Conditioning On)

Fuel Pump Pressure: 5 to 6-1/2 PSI

8 Cylinder Engine, 327 Cu. In., 275 HP with Automatic Transmission:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug:

Type: AC 44

Gap: .035"

Point Gap: .019"

Distributor Cam Angle: 28-32 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 4 Degrees BTDC

Timing Mark Location: Viabration Damper

Engine Idle Speed:

Manual Transmission: 600 RPM in Drive; (With Air Conditioning Off)

Fuel Pump Pressure: 5 to 6-1/2 PSI

8 Cylinder Engine, 396 Cu. In., 325 HP:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug:

Type: AC 43N

Gap: .035"

Point Gap: .019"

Distributor Cam Angle: 28-32 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 4 Degrees BTDC

Timing Mark Location: Viabration Damper

Engine Idle Speed:

Manual Transmission: 700 RPM; (With Air Conditioning Off)

Automatic Transmission: 600 RPM in Drive (With Air Conditioning Off)

Fuel Pump Pressure: 5 to 6-1/2 PSI

8 Cylinder Engine, 396 Cu. In., 375 HP:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug:

Type: AC 43N

Gap: .035"

Point Gap: .019"

Distributor Cam Angle: 28-32 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 4 Degrees BTDC

Timing Mark Location: Viabration Damper

Engine Idle Speed:

Manual Transmission: 750 RPM; (With Air Conditioning Off)

Fuel Pump Pressure: 5 to 6-1/2 PSI

8 Cylinder Engine, 427 Cu. In., 385 HP:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug:

Type: AC 43N

Gap: .035"

Point Gap: .019"

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 4 Degrees BTDC

Timing Mark Location: Viabration Damper

Engine Idle Speed:

Standard Transmission: 700 RPM; (With Air Conditioning Off)

Automatic Transmission: 600 RPM in Drive, (With Air Conditioning Off)

Fuel Pump Pressure: 5 to 6-1/2 PSI

Capacities-All Full Sized Series :

With 6 Cylinder Engine

Cooling System:

Without Heater: 11 Quarts

With Heater Only: 12 Quarts

With Air Conditioning: 13 Quarts

Radiator Cap Relief Pressure:

Without Air Conditioning: 15 PSI

With Air Conditioning: 15 PSI

Thermostat Opening: 195 Degrees

Fuel Tank: 24 Gallons

Engine Oil Refill: 5 Quarts with Filter

Manual Transmission:

Three Speed: 3 Pints

Automatic Transmission: 1-1/2 Quarts with Normal Change

Rear Axle: 3-1/2 Pints

With 8 Cylinder Engine, 307 Cu. In.:

Cooling System:

Without Heater: 16 Quarts

With Heater: 17 Quarts

With Air Conditioning: 18 Quarts

Radiator Cap Relief Pressure:

Without Air Conditioning: 15 PSI

With Air Conditioning: 15 PSI

Thermostat Opening: 195 Degrees

Fuel Tank: 24 Gallons

Engine Oil Refill: 5 Quarts with Filter

Manual Transmission:

Three Speed: 3 Pints

Four Speed: 3 Pints

Automatic Transmission:

Powerglide: 1-1/2 Quarts with Normal Change

Hydra-Matic: 2 Quarts with Normal Change

Rear Axle: 3-1/2 Pints

With 8 Cylinder Engine, 327 Cu. In.:

Cooling System:

Without Heater: 14 Quarts

With Heater: 15 Quarts

With Air Conditioning: 16 Quarts

Radiator Cap Relief Pressure:

Without Air Conditioning: 15 PSI

With Air Conditioning: 15 PSI

Thermostat Opening: 195 Degrees

Fuel Tank: 24 Gallons

Engine Oil Refill: 5 Quarts with Filter

Manual Transmission:

Three Speed 3 Pints

Four Speed: 3 Pints

Automatic Transmission:

Powerglide: 1-1/2 Quarts with Normal Change

Hydra-Matic: 2 Quarts with Normal Change

Rear Axle: 3-1/2 Pints

With 8 Cylinder Engine, 396 & 427 Cu. In.:

Cooling System:

Without Heater: 21 Quarts

With Heater: 22 Quarts

With Air Conditioning: 22 Quarts

Radiator Cap Relief Pressure:

Without Air Conditioning: 15 PSI

With Air Conditioning: 15 PSI

Thermostat Opening: 195 Degrees

Fuel Tank: 24 Gallons

Engine Oil Refill: 5 Quarts with Filter

Manual Transmission:

Three Speed

Standard Duty Transmission: 3 Pints

Heavy Duty Transmission: 3-1/2 Pints

Four Speed: 3 Pints

Automatic Transmission:

Powerglide: 1-1/2 Quarts with Normal Change

Hydra-Matic: 2 Quarts with Normal Change

Rear Axle: 3-1/2 Pints

Valve Specifications:

See 1968 Chevrolet Engines & Engine Accessories Data Section.

Pistons, Pins, Rings, Crankshaft & Bearings:

See 1968 Chevrolet Engines & Engine Accessories Data Section.

Engine Tightening:

See 1968 Chevrolet Engines & Engine Accessories Data Section.

Alternator & Regulator Specifications:

See 1968 Chevrolet Engines & Engine Accessories Data Section.

Distributor Specifications:

See 1968 Chevrolet Engines & Engine Accessories Data Section.

Starting Motor Specifications:

See 1968 Chevrolet Engines & Engine Accessories Data Section.

Carburetor Settings:

See 1968 Chevrolet Engines & Engine Accessories Data Section.

Rear Axle Specifications-All Series Chevrolet, Full Sized:

Carrier Type: Integral

Ring Gear & Pinion Backlash:

Method: Check with dial gauge

Adnustment: .005"-.008"

Pinion Bearing Preload:

Method: Spacer

Adjustment:

New Bearings: 20-25 Inch Pounds

Used Bearings: 5-10 Inch Pounds

Differential Bearing Preload:

Method: Shims

Adjustment:

New Bearings: .010"

Used Bearings: .010"

Brake Specifications, Chevrolet, Full Sized Models:

Brake Drum Diameter: 11 inches

Wheel Cylinder Bore:

Disc Brake: 2-1/16"

Front Drum Brake: 1-3/16"

Rear Drum: 1"

Master Cylinder Bore:

Disc Brakes: 1:

Drum Brakes: 1" (With Metallic Linings, 7/8")

Power Brakes: 1"

Wheel Alignment Specifications, Chevrolet, All Full Sized Models:

Caster: +3/4 Degrees

Camber: +1/4 Degree

Toe In; 1/8 to 1/4 inches;

Toe Out on Turns:

Outer Wheel: 20 Degrees

Inner Wheel: 22-1/2 Degrees

Popular Options:

Power Steering, Power Drum Brakes, Power Disc Brakes, Four-Season Air Conditioning (Except 425 HP), Comfort-On Air Conditioning (Except 425 HP), Dual Stage Air Cleaner for 6 Cylinder, Positraction Axle, Carpeting for Station Wagon Cargo Area, Luggage Rack for Station Wagon, Heavy-Duty Chasis for Biscayne, Heavy Duty Clutch, Rear Window Defroster, Electric Clock, 327 Cu. In Engine with 250 HP or 275 HP, 396 Cu. In. Engine with 325 HP, 427 Cu. In. Engine with 385 HP, Dual Exhausts for 250, 275, or 325 HP Engine, Tinted Glass, Special Instrumentation for Caprice, Remote Control Outside Mirror, Power Door Locks, Power Windows (Except Biscayne), Power Seat (Except Biscayne, 4 Speed Transmission, & Bucket Seats), Bucket Seats, Heavy Duty Radiator, Power Tailgate Window for Station Wagons, AM Pushbutton Radio, AM-FM Pushbutton Radio, AM-FM Stereo Radio, Stereo Tape System with 4 Speakers, Power Rear Antenna, Manual Rear Antenna, Rear Speaker, Tilt Steering Wheel, Cruise Control, Automatic Level Control, Rear Fender Skirts (Except Wagons), DeLuxe Steering Wheel, Sport Steering Wheel, Speed Warning Indicator, Powerglide Transmission, Turbo-Hydrmatic Transmission, 4 Speed Manual Transmission, Overdrive, Wheel Covers, Wheel Covers, Wire Wheel Covers, Super Sport Option Packages on Impala, & more.

Paint Colors & Codes:

AA Tuxedo Black

CC Ermine White

DD Grotto Blue Poly

EE Fathom Blue Poly

FF Island Teal Poly

GG Ash Gold Poly

HH Grecian Green Poly

JJ Rallye Green Poly

KK Tripoli Turquoise Poly

LL Teal Blue Poly

NN Cordovan Maroon Poly

PP Seafrost Green Poly

RR Matador Red

TT Palomino Ivory

VV Sequoia Green Poly

YY Butternut Yellow

Promotional Model Cars Available:

Plastic: Impala 2 Door Hardtop, Impala Convertible.

1968 Chevrolet Historical Data:

1968 Chevrolet Model Year Introduction date is not available.

Model Year Production: Approximately 1,098,410 full sized Chevrolets.

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