1978 CADILLAC
Model Designations:
Cadillac DeVille, Series 6C
Cadillac Fleetwood Brougham, Series 6C
Cadillac Eldorado, Series 6E
Cadillac Fleetwood Limousine, Series 6D
Cadillac Seville, Series 6K
Cadillac Deville, 8 Cylinder, Body Styles:
2 Door Coupe DeVille, 6 Passenger, Body Code: D47
Base Price: $10,444; Shipping Weight: 4,163 Pounds
Production Total: 117,750
4 Door Sedan DeVille, 6 Passenger; Body Code: D69
Base Price: $10,668; Shipping Weight: 4,236 Pounds
Production Total; 89,951
Cadillac Fleetwood, Brougham, 8 Cylinder, Body Styles
4 Door Brougham, 6 Passenger, Body Code: B69
Base Price: $12,292; Shipping Weight: 4,314 Pounds
Production Total: 36,800
Eldorado, 8 Cylinder, Body Styles:
2 Door Eldorado Hardtop Coupe, 6 Passenger, Body Code: L47
Base Price: $11,921; Shipping Weight: 4,906 Pounds
Production Total: 46,816
Cadillac Fleetwood Limousine, 8 Cylinder, Body Styles
4 Door Sedan, 8 Passenger, Body Code: F23
Base Price: $19,642; Shipping Weight: 4,772 Pounds;
Production Total: 848
4 Door Formal Limousine, 7 Passenger, Body Code: F33
Base Price: $20,363; Shipping Weight: 4,858 Pounds;
Production Total: 682
Commercial Chassis: Body Code: Z90
Production Total: 852
Cadillac Seville, 8 Cylinder, Body Styles (1976 Model)
4 Door Sedan, 5 Passenger, Body Code: S69
Base Price: $14,263; Shipping Weight: 4,179 Pounds;
Production Total: 56,985
General Specifications, All Series:
Wheelbase:
Eldorado: 126.3"
Brougham: 121.5"
Deville: 121.5"
Fleetwood Limousine: 144.5"
Seville: 114.3"
Tire Sizes:
Deville: GR-78 X 15"
Seville: GR-78 X 15"
Fleetwood Brougham: HR-78 X 15"
Fleetwood Limousine: HR-78 X 15 "
Eldorado: LR-78 X 15"
Engine Specifications, 425 Cu. In. 8 Cylinder, with Carburetor:
Engine Type: Overhead Valve, V-8
Bore & Stroke: 4.082" X 4.060"
Engine Displacement: 425 Cu. In.
Compresssion Ratio: 8.2 to 1
Taxable Horsepower: 53.32
Horsepower: 180 @ 4,000 RPM
Torque: 320 Ft. Lbs. @ 2,000 RPM
Normal Oil Pressure: 35 PSI
Carburetor: 4 Barrel
Engine Specifications, 425 Cu. In. 8 Cylinder, With Fuel Injection:
Engine Type: Overhead Valve, V-8
Bore & Stroke: 4.082" X 4.060"
Engine Displacement: 425 Cu. In.
Compresssion Ratio: 8.2 to 1
Taxable Horsepower: 53.32
Horsepower: 180 @ 4,000 RPM
Torque: 320 Ft. Lbs. @ 2,000 RPM
Normal Oil Pressure: 35 PSI
Engine Specifications, 350 Cu. In. Diesel, 8 Cylinder, With Fuel Injection:
Engine Type: Overhead Valve, V-8
Bore & Stroke: 4.057" X 3.385"
Engine Displacement: 350 Cu. In.
Compresssion Ratio: 22.5 to 1
Taxable Horsepower: 52.67
Horsepower: 120 @ 3,600 RPM
Torque: 220 Ft. Lbs. @ 1,600 RPM
Normal Oil Pressure: 30-45 PSI
Engine Specifications, Seville, 350 Cu. In. 8 Cylinder, With Fuel Injection:
Engine Type: Overhead Valve, V-8
Bore & Stroke: 4.057" X 3.385"
Engine Displacement: 350 Cu. In.
Compresssion Ratio: 8.0 to 1
Taxable Horsepower: 52.67
Horsepower: 170 @ 4,280 RPM
Torque: 270 Ft. Lbs. @ 2,000 RPM
Normal Oil Pressure: 30-45 PSI
Capacities, Series:
All Series, Except Seville & Eldorado:
Cooling System:
With Air Conditioning: 19.8 Quarts
Radiator Cap Pressure:
With Air Conditioning: 15 PSI
Without Air Conditioning: 15 PSI
Thrermostat Opening: 195 Degrees
Fuel Tank: 24 Gallons
Engine Oil Refill: 4 Quarts*
Hydramatic Transmission:
Oil Pan: 4 Quarts
Total Capacity: 12-1/2 Quarts
Rear Axle: 4-1/4 Pints
* Add 1 Quart for Filter
Eldorado:
Cooling System:
With Air Conditioning: 24.3 Quarts
Radiator Cap Pressure:
With Air Conditioning: 15 PSI
Without Air Conditioning: 15 PSI
Thrermostat Opening: 195 Degrees
Fuel Tank: 27-1/2 Gallons
Engine Oil Refill: 5 Quarts*
Hydramatic Transmission:
Oil Pan: 5 Quarts
Total Capacity: 13 Quarts
Front Axle: 4 Pints
* Add 1 Quart for Filter
Seville, Except Diesel Engine:
Cooling System:
With Air Conditioning: 17.25 Quarts
Radiator Cap Pressure:
With Air Conditioning: 15 PSI
Without Air Conditioning: 15 PSI
Thrermostat Opening: 180 Degrees
Fuel Tank: 21 Gallons
Engine Oil Refill: 4 Quarts*
Hydramatic Transmission:
Oil Pan: 4 Quarts
Total Capacity: 12-1/2 Quarts
Rear Axle: 4-1/4 Pints
* Add 1 Quart for Filter
Seville, Diesel Engine:
Cooling System:
With Air Conditioning: 18.9 Quarts
Radiator Cap Pressure:
With Air Conditioning: 15 PSI
Without Air Conditioning: 15 PSI
Thrermostat Opening: 195 Degrees
Fuel Tank: 21 Gallons
Engine Oil Refill: 7 Quarts
Hydramatic Transmission:
Oil Pan: 3 Quarts
Total Capacity: 9 Quarts
Rear Axle: 4-1/4 Pints
Tune Up Specifications, 425 Cu. In., 8 Cylinder, with Carburetor:
Spark Plug Type: AC R45NSX
Spark Plug: Gap .060
Firing Order: 1-5-6-3-4-2-7-8
Ignition Timing:
49 State, Except Eldorado: 21 Degrees BTDC on Damper @ 1,600 RPM
High Altitude: 23 Degrees BTDC on Damper @ 1,600 RPM
Eldorado, 49 State: 21 Degrees BTDC on Damper @ 1,600 RPM
California: 18 Degrees BTDC on Damper @ 1,600 RPM
Eldorado, High Altitude: 23 Degrees BTDC on Damper @ 1,600 RPM
Engine Idle Speed: 600 RPM (In Drive) (A/C Off)
Fast Idle Speed: 1,400 RPM
Fuel Pump Pressure; 5-1/4 to 6-1/2 PSI
Tune Up Specifications, 425 Cu. In., 8 Cylinder, with Fuel Injection:
Spark Plug Type: AC R45NSX
Spark Plug: Gap .060
Firing Order: 1-5-6-3-4-2-7-8
Ignition Timing: 18 Degrees BTDC on Damper @ 1,600 RPM
Engine Idle Speed: 600 RPM (In Drive) (A/C Off)
Tune Up Specifications, Seville, 350 Cu. In., 8 Cylinder, with Fuel Injection, Except California:
Spark Plug Type: AC R47SX
Spark Plug: Gap .060
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 10 Degrees BTDC on Damper
Engine Idle Speed: 650 RPM (In Drive) (A/C Off)
Tune Up Specifications, Seville, 350 Cu. In., 8 Cylinder, with Fuel Injection:
Spark Plug Type: AC R47SX
Spark Plug: Gap .060
Firing Order: 1-8-4-3-6-5-7-2
Ignition Timing: 8 Degrees BTDC on Damper
Engine Idle Speed: 650 RPM (In Drive) (A/C Off)
Tune Up Specifications, 350 Cu. In., Diesel, 8 Cylinder, with Fuel Injection:
Engine Idle Speed: 650 RPM (In Drive) (A/C Off)
Valve Specifications, 425 Cu. In., 8 Cylinder Engine:
Valve Lash: Hydralic
Valve Angles:
Seat: 45 Degrees
Face: 44 Degrees
Valve Spring Height: 1-61/64"
Valve Spring Pressure: 160 Lbs @ 1-31/64 inches
Valve Stem Clearance: Intake .0010"-.0027"
Exhaust .0010"-.0027"
Valve Stem Diameter:
Intake: .3413"-.3420"
Exhaust: .3413"-.3420"
Valve Specifications, Seville, 350 Cu. In., 8 Cylinder Engine:
Valve Lash: Hydralic
Valve Angles:
Valve Seat:
Intake: 45 Degrees
Exhaust: 31 Degrees
Valve Face:
Intake: 44 Degrees
Exhaust: 30 Degrees
Valve Spring Height: 1-43/64"
Valve Spring Pressure: 187 Lbs @ 1-9/32 inches
Valve Stem Clearance: Intake .0010"-.0027"
Exhaust .0015"-.0032"
Valve Stem Diameter:
Intake: .3425"-.3432"
Exhaust: .3420"-.3427"
Valve Specifications, 350 Cu. In., 8 Cylinder Diesel Engine:
Valve Lash: Hydralic
Valve Angles:
Valve Seat:
Intake: 45 Degrees
Exhaust: 31 Degrees
Valve Face:
Intake: 44 Degrees
Exhaust: 30 Degrees
Valve Spring Height: 1.670"
Valve Spring Pressure: 151 Lbs @ 1.30 inches
Valve Stem Clearance: Intake .0010"-.0027"
Exhaust .0015"-.0032"
Valve Stem Diameter:
Intake: .3425"-.3432"
Exhaust: .3420"-.3427"
Pistons, Pins, Rings, Crankshaft & Bearings Data, 425 Cu. In. 8 Cylinder:
Piston Rings:
Ring End Gap:
Compression: .013"
Oil: .013"
Wrist Pin Diameter: .9997"
Rod Bearings:
Shaft Diameter: 2.500"
Rod Bearing Clearance: .0005-.0028"
Main Bearings:
Shaft Diameter: 3.250"
Main Bearing Clearance: .0001"-.0026"
Thrusk on Bearing #3
Crankshaft End Play: .002"-.012"
Pistons, Pins, Rings, Crankshaft & Bearings Data, 350 Cu. In. 8 Cylinder:
Piston Rings:
Ring End Gap:
Compression: .010"
Oil: .015"
Wrist Pin Diameter: .9805"
Rod Bearings:
Shaft Diameter: 2.1238"-2.1248"
Rod Bearing Clearance: .0004-.0033"
Main Bearings:
Shaft Diameter:
#1: 2.4988"-2.4998"
Others: 2.4985"-2.4995"
Main Bearing Clearance:
#5: .0015"-.0031"
Others: .0005"-.0021"
Thrusk on Bearing #3
Crankshaft End Play: .002"-.012"
Pistons, Pins, Rings, Crankshaft & Bearings Data, 350 Cu. In. 8 Cylinder Diesel:
Piston Rings:
Ring End Gap:
Compression: .015"
Oil: .015"
Wrist Pin Diameter: 1.0951"
Rod Bearings:
Shaft Diameter: 2.1238"-2.1248"
Rod Bearing Clearance: .0005-.0026"
Main Bearings:
Shaft Diameter: 2.4998"
Main Bearing Clearance:
#5: .0015"-.0031"
Others: .0005"-.0021"
Thrust on Bearing #3
Crankshaft End Play: .0035"-.0135"
Engine Tightening Specifications, 425 Cu. In. Engine:
Spark Plugs: 25 Ft. Lbs.
Cylinder Head Bolts: 95 Ft. Lbs.
Intake Manifold: 30 Ft. Lbs.
Exhaust Manifold:
Long Screws: 35 Ft. Lbs.
Short Screw: 12 Ft. Lbs.
Rocker Arm Cover: 30 Inch Lbs.
Connecting Rod Cap Bolts: 40 Ft. Lbs.
Main Bearing Cap Bolts: 90 Ft. Lbs.
Flex Plate to Crankshaft: 75 Ft. Lbs.
Vibration Damper or Pulley: Pulley to Damper Screws: 17 Ft. Lbs.
Engine Tightening Specifications, Seville, 350 Cu. In. Engine:
Spark Plugs: 25 Ft. Lbs.
Cylinder Head Bolts: 85 Ft. Lbs.
Intake Manifold: 40 Ft. Lbs.
Exhaust Manifold: 25 Ft. Lbs.
Rocker Arm Cover: 7 Ft. Lbs.
Connecting Rod Cap Bolts: 42 Ft. Lbs.
Main Bearing Cap Bolts:
#5: 120 Ft. Lbs.
Others: 80 Ft. Lbs.
Flex Plate to Crankshaft: 60 Ft. Lbs.
Vibration Damper or Pulley: Pulley to Damper Screws: 310 Ft. Lbs.
Engine Tightening Specifications, Seville, 350 Cu. In. Diesel Engine:
Cylinder Head Bolts: 130 Ft. Lbs.
Intake Manifold: 40 Ft. Lbs.
Exhaust Manifold: 25 Ft. Lbs.
Rocker Arm Shaft Bracket: 25 Ft. Lbs.
Connecting Rod Cap Bolts: 42 Ft. Lbs.
Main Bearing Cap Bolts: 120 Ft. Lbs.
Flex Plate to Crankshaft: 60 Ft. Lbs.
Vibration Damper or Pulley: Pulley to Damper Screws: 200-310 Ft. Lbs.
Brake Specifications, Eldorado:
Wheel Cylinder Bore:
Front Disc Brakes: 2-15/16"
Rear Disc: 2-1/2"
Master Cylinder Bore:
Disc Brakes: 1-1/8"
Note: Power Brakes are Standard Equipment
Brake Specifications, Brougham:
Wheel Cylinder Bore:
Disk Brakes: 2-15/16"
Rear Disk Brakes: 2-1/2"
Master Cylinder Bore:
Disk Brakes: 1-1/8"
Brake Specifications, DeVille:
Brake Drum Diameter: 11.000"
Wheel Cylinder Bore:
Disk Brakes: 2-15/16"
Rear: 1"
Master Cylinder Bore:
Disk Brakes: 1-1/8"
Brake Specifications, Limousine:
Brake Drum Diameter: 12"
Wheel Cylinder Bore:
Disk Brakes: 2-15/16"
Rear Brakes: 15/16"
Master Cylinder Bore:
Disk Brakes: 1-1/8"
Brake Specifications, Seville:
Wheel Cylinder Bore:
Disk Brakes: 2-15/16"
Rear Disk Brakes: 2-1/2"
Master Cylinder Bore:
Disk Brakes: 1-1/8"
Wheel Alignment Specifications, Eldorado:
Caster: +2-1/2 Degrees
Camber:
Left: Zero Degrees
Right: Zero Degrees
Toe In: 0"-1/16"
Wheel Alignment Specifications, Seville:
Caster: +2 Degrees
Camber:
Left: Zero Degrees
Right: Zero Degrees
Toe In: 0" to 1/8"
Wheel Alignment Specifications, All Except Eldorado & Seville:
Caster: +3 Degrees
Camber:
Left: +1/2 Degrees
Right: +1/2 Degrees
Toe In: -1/16" to +1/16"
Alternator Specifications:
Model #1101023
Rated Hot Output: 80 Amperes
Field Current, 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes
Regulator: Integral
Model #1101033
Rated Hot Output: 80 Amperes
Field Current, 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes
Regulator: Integral
Model #1102380
Rated Hot Output: 63 Amperes
Field Current, 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes
Regulator: Integral
Distributor Specifications (Covers 1977-1979):
Distributor #1103202
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 300 RPM
Intermediate Advance: 0 to -4 Degrees @ 500 RPM
Intermediate Advance: 2 to 6 Degrees @ 650 RPM
Full Advance: 10 Degrees @ 1,400 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 5-1/2 Inches
Maximum Vacuum Advance: 9-1/2 to 10-1/2 Degrees @ 14" Vacuum
Distributor #1103217
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: 0 to -1/14 Degrees @ 300 RPM
Intermediate Advance: 3-1/2 to 6 Degrees @ 600 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,200 RPM
Full Advance: 9-1/2 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 4 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 16" Vacuum
Distributor #1103219
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: 0 to -1/4 Degrees @ 300 RPM
Intermediate Advance: 3-1/2 to 6 Degrees @ 600 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 300 RPM
Full Advance: 9-1/2 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 4 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 16" Vacuum
Distributor #1103221
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 400 RPM
Intermediate Advance: 0 to -3/8 Degrees @ 400 RPM
Intermediate Advance: 5 to 8 Degrees @ 725 RPM
Intermediate Advance: 20 to 22 Degrees @ 2,500 RPM
Full Advance: 22 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 7 Inches
Maximum Vacuum Advance: 12-1/2 Degrees @ 18" Vacuum
Distributor #1103222
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 200 RPM
Intermediate Advance: 0 to -1/2 Degrees @ 350 RPM
Intermediate Advance: 5 to 8 Degrees @ 725 RPM
Intermediate Advance: 20 to 22 Degrees @ 2,500 RPM
Full Advance: 22 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 9 Inches
Maximum Vacuum Advance: 9-3/4 Degrees @ 19" Vacuum
Distributor #1103227
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 200 RPM
Intermediate Advance: 0 to -1/4 Degrees @ 300 RPM
Intermediate Advance: 1 to 3 Degrees @ 600 RPM
Intermediate Advance: 6 to 8 Degrees @ 2,500 RPM
Full Advance: 8 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3-1/2 Inches
Maximum Vacuum Advance: 10-1/2 Degrees @ 13" Vacuum
Distributor #1103297
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 200 RPM
Intermediate Advance: 0 to -1/4 Degrees @ 300 RPM
Intermediate Advance: 3/4 to 3 Degrees @ 600 RPM
Intermediate Advance: 6 to 8 Degrees @ 2,500 RPM
Full Advance: 8 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3-1/2 Inches
Maximum Vacuum Advance: 10-1/2 Degrees @ 13" Vacuum
Distributor #1103298
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 200 RPM
Intermediate Advance: 0 to -1/4 Degrees @ 300 RPM
Intermediate Advance: 1 to 3 Degrees @ 600 RPM
Intermediate Advance: 5-7/8 to 8 Degrees @ 2,500 RPM
Full Advance: 8 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 4-1/4 Inches
Maximum Vacuum Advance: 5-1/2 Degrees @ 9-3/4" Vacuum
Distributor #1103300
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 200 RPM
Intermediate Advance: 0 to -1/4 Degrees @ 300 RPM
Intermediate Advance: 2-1/2 to 6 Degrees @ 575 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 2,000 RPM
Full Advance: 9-1/2 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 7-1/2 Inches
Maximum Vacuum Advance: 5-1/2 Degrees @ 12.7" Vacuum
Distributor #1103307 (1978)
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 200 RPM
Intermediate Advance: -1/2 to 1-3/5 Degrees @ 450 RPM
Intermediate Advance: 4-1/5 to 7-3/10 Degrees @ 700 RPM
Intermediate Advance: 11-1/2 to 13-4/5 Degrees @ 1,450 RPM
Full Advance: 22 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 9-1/2 Inches
Maximum Vacuum Advance: 9-1/2 Degrees @ 20.7" Vacuum
Distributor #1103307 (1979)
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 200 RPM
Intermediate Advance: -3/64 to 0 Degrees @ 400 RPM
Intermediate Advance: 4-3/4 to 7-7/8 Degrees @ 725 RPM
Intermediate Advance: 6-1/8 to 8-3/8 Degrees @ 790 RPM
Full Advance: 22 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 9 Inches
Maximum Vacuum Advance: 9-1/2 Degrees @ 17" Vacuum
Distributor #1103331
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: 1/2 to 3-1/2 Degrees @ 450 RPM
Intermediate Advance: 5-1/2 to 8 Degrees @ 700 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,450 RPM
Full Advance: 9-1/2 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3-1/2 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 20.7" Vacuum
Distributor #1103332 (1978)
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 200 RPM
Intermediate Advance: 1/2 to 3-1/2 Degrees @ 450 RPM
Intermediate Advance: 5-1/2 to 8 Degrees @ 700 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,450 RPM
Full Advance: 9-1/2 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3-1/2 Inches
Maximum Vacuum Advance: 10-1/2 Degrees @ 20.7" Vacuum
Distributor #1103332 (1979)
Centrifugal Advance Data:
Advance Starts: 0 Degree @ 200 RPM
Intermediate Advance: -1/2 to 2-1/2 Degrees @ 400 RPM
Intermediate Advance: 5-1/4 to 8 Degrees @ 775 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,450 RPM
Full Advance: 9-1/2 Degrees @ 2,400 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3 Inches
Maximum Vacuum Advance: 10-1/2 Degrees @ 13Vacuum
Distributor #1103334 (1978)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: 1/2 to 3-1/2 Degrees @ 450 RPM
Intermediate Advance: 4-1/5 to 6-3/10 Degrees @ 700 RPM
Intermediate Advance: 6 to 8 Degrees @ 1,450 RPM
Full Advance: 9-1/2 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 4-2/5 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 20.7" Vacuum
Distributor #1103334 (1979)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1/2 to +2-1/2 Degrees @ 450 RPM
Intermediate Advance: 3 to 6 Degrees @ 575 RPM
Intermediate Advance: 4 to 6-1/8 Degrees @ 613 RPM
Full Advance: 9-1/2 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 4 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 16" Vacuum
Distributor #1103335 (1978)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1/2 to +1-3/5 Degrees @ 450 RPM
Intermediate Advance: 1-1/5 to 3-3/10 Degrees @ 700 RPM
Intermediate Advance: 3 to 5-3/10 Degrees @ 1,450 RPM
Full Advance: 8 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3-1/2 Inches
Maximum Vacuum Advance: 10-1/2 Degrees @ 20.7" Vacuum
Distributor #1103335 (1979)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1/2 to +1-5/8 Degrees @ 463 RPM
Intermediate Advance: 7/8 to 3 Degrees @ 600 RPM
Intermediate Advance: 3-1/2 to 5-3/8 Degrees @ 1,600 RPM
Full Advance: 8 Degrees @ 2,900 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3 Inches
Maximum Vacuum Advance: 10-1/2 Degrees @ 13" Vacuum
Distributor #1103345
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: 1/2 to 3-1/2 Degrees @ 450 RPM
Intermediate Advance: 5-1/2 to 8 Degrees @ 700 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,450 RPM
Full Advance: 9-1/2 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3-1/2 Inches
Maximum Vacuum Advance: 8-1/2 Degrees @ 20.7" Vacuum
Distributor #1103348
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1/2 to +1-3/5 Degrees @ 450 RPM
Intermediate Advance: 4-1/5 to 7-3/10 Degrees @ 700 RPM
Intermediate Advance: 11-1/2 to 13-4/5 Degrees @ 1,450 RPM
Full Advance: 22 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 5-3/5 Inches
Maximum Vacuum Advance: 12-1/2 Degrees @ 20.7" Vacuum
Distributor #1103349
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1-2 to +1-3/5 Degrees @ 450 RPM
Intermediate Advance: 4-1/5 to 7-4/5 Degrees @ 700 RPM
Intermediate Advance: 11-1/2 to 13-4/5 Degrees @ 1,450 RPM
Full Advance: 22 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 5-3/5 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 20.7" Vacuum
Distributor #1103352
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: 1/2 to 3-1/2 Degrees @ 450 RPM
Intermediate Advance: 5-1/2 to 8 Degrees @ 700 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,450 RPM
Full Advance: 9-1/2 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 5-3/5 Inches
Maximum Vacuum Advance: 5-1/2 Degrees @ 120.7 Vacuum
Distributor #1103389 (1978)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: 1/2 to 3-1/2 Degrees @ 450 RPM
Intermediate Advance: 5-1/2 to 8 Degrees @ 700 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,450 RPM
Full Advance: 9-1/2 Degrees @ 1,450 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 4 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 20" Vacuum
Distributor #1103389 (1979)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1/2 to +2-1/2 Degrees @ 400 RPM
Intermediate Advance: 5 to 8 Degrees @ 675 RPM
Intermediate Advance: 6 to 8-1/16 Degrees @ 712 RPM
Full Advance: 9-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 16" Vacuum
Distributor #1103392 (1978)
Centrifugal Advance Data:
Advance Starts: -1/4 to 0 Degrees @ 275 RPM
Intermediate Advance: 7 Degrees @ 700 RPM
Full Advance: 8-1/2 Degrees @ 1,450 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 6 Inches
Maximum Vacuum Advance: 10 Degrees @ 13-1/2" Vacuum
Distributor #1103392 (1979)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1/2 to +2-1/2 Degrees @ 400 RPM
Intermediate Advance: 5 to 8 Degrees @ 725 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,450 RPM
Full Advance: 9-1/2 Degrees @ 2,400 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 3 Inches
Maximum Vacuum Advance: 10-1/2 Degrees @ 14" Vacuum
Distributor #1103393 (1978)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 450 RPM
Intermediate Advance: 7 Degrees @ 750 RPM
Full Advance: 21 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 5 Inches
Maximum Vacuum Advance: 12 Degrees @ 12" Vacuum
Distributor #1103393 (1979)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1/2 to 0 Degrees @ 400 RPM
Intermediate Advance: 4-3/4 to 7-3/4 Degrees @ 725 RPM
Intermediate Advance: 8 to 10 Degrees @ 1,000 RPM
Full Advance: 22 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 4 Inches
Maximum Vacuum Advance: 12-1/2 Degrees @ 13" Vacuum
Distributor #1103394 (1978)
Centrifugal Advance Data:
Advance Starts: -1/4 to 0 Degrees @ 450 RPM
Intermediate Advance: 7 Degrees @ 750 RPM
Full Advance: 21 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 5 Inches
Maximum Vacuum Advance: 14 Degrees @ 15-1/2" Vacuum
Distributor #1103394 (1979)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1/2 to 0 Degrees @ 400 RPM
Intermediate Advance: 4-3/4 to 8 Degrees @ 725 RPM
Intermediate Advance: 7-1/8 to 10 Degrees @ 1,000 RPM
Full Advance: 22 Degrees @ 3,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 4 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 16" Vacuum
Distributor #1103395 (1978)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 350 RPM
Intermediate Advance: 7 Degrees @ 700 RPM
Full Advance: 8-1/2 Degrees @ 1,450 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 8 Inches
Maximum Vacuum Advance: 5 Degrees @ 12" Vacuum
Distributor #1103395 (1979)
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: -1/2 to +2-1/2 Degrees @ 400 RPM
Intermediate Advance: 6 to 8 Degrees @ 712 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,000 RPM
Full Advance: 9-1/2 Degrees @ 2,400 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 7 Inches
Maximum Vacuum Advance: 5-1/2 Degrees @ 12" Vacuum
Distributor #1112891
Centrifugal Advance Data:
Advance Starts: 0 Degrees @ 200 RPM
Intermediate Advance: 8 Degrees @ 600 RPM
Full Advance: 9 Degrees @ 2,500 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 4-1/2 Inches
Maximum Vacuum Advance: 14-1/2 Degrees @ 13" Vacuum
Starting Motor Data:
All, Except Eldorado & Seville:
#1109038
Brush Spring Tension: 35 Ounces
No Load Test: 65-95 Amperes, 9.0 Volts @ 7,000-10,500 RPM
Eldorado:
#1109039
Brush Spring Tension: 35 Ounces
No Load Test: 65-95 Amperes, 9.0 Volts @ 7,000-10,500 RPM
Seville:
#1108765
Brush Spring Tension: 35 Ounces
No Load Test: 65-95 Amperes, 9.0 Volts @ 7,000-10,500 RPM
Rochester Carburetor Adjustments:
Carburetor Model: M4M
Part #17058230
Float Level: 13/32"
Pump Rod:
Hole: Inner
Adjustment: 9/32"
Fast Idle, Bench: 3 Turns
Choke Coil Lever: .120"
Choke Rod: 16 Degrees
Vacuum Break:
Front: 25 Degrees
Rear. 39 Degrees
Air Valve Dash Pet: .030"
Choke Setting: 2 Rich
Choke Unloader: 35 Degrees
Air Valve Valve Spring Wind-Up: 1/2"
Part #17058232
Float Level: 13/32"
Pump Rod:
Hole: Inner
Adjustment: 9/32"
Fast Idle, Bench: 3 Turns
Choke Coil Lever: .120"
Choke Rod: 16 Degrees
Vacuum Break:
Front: 26 Degrees
Rear. 28 Degrees
Air Valve Dash Pet: .030"
Choke Setting: 2 Rich
Choke Unloader: 35 Degrees
Air Valve Valve Spring Wind-Up: 3/4"
Part #17058233
Float Level: 13/32"
Pump Rod:
Hole: Inner
Adjustment: 9/32"
Fast Idle, Bench: 3 Turns
Choke Coil Lever: .120"
Choke Rod: 16 Degrees
Vacuum Break:
Front: 26 Degrees
Rear. 28 Degrees
Air Valve Dash Pet: .030"
Choke Setting: 2 Rich
Choke Unloader: 35 Degrees
Air Valve Valve Spring Wind-Up: 1/2"
Part #17058240
Float Level: 7/32"
Pump Rod:
Hole: Inner
Adjustment: 9/32"
Fast Idle, Bench: 3 Turns
Choke Coil Lever: .120"
Choke Rod: 14-1/2 Degrees
Vacuum Break:
Front: 21 Degrees
Rear. 23 Degrees
Air Valve Dash Pet: .015"
Choke Setting: Index
Choke Unloader: 38 Degrees
Air Valve Valve Spring Wind-Up: 3/4"
Popular Options:
Fuel Injection; Brougham d'Elegance Package; Coupe DeVille Cabriolet; Astroroof; Sunroof; DeVille d'Elegance Package; Eldorado Cabriolet; Eldorado Custom Biarritz; Trailer Towing Package; Electronic Level Control; Cruise Control; Controlled Cycle Wipers; Rear Defogger; Power Passenger Seat; Power Passenger Seatback; Tile/Telescopic Package; Automatic Door Locks; Illuminated Entry System; Fuel Monitor; Theft Deterrent System; Trunk Lid Release & Pull Down; Opera Lamps; Twilight Sentinental; Guidematic Headlamp Control; Remote Control Right Side Mirror; Lighted Thermometer on Left Mirror; Lighted Vanity Visor Mirror; AM-FM Radio with Stereo Tape; AM-FM Stereo Radio with CB; AM-FM Stereo Radio with Digital Display; Seek & Scann AM-FM Stereo Radio; Firemist Paint; Leather Seats; Twin Floor Mats; Trunk Mat; Turbine Vaned Wheel Discs; Wire Wheel Covers; Fuel Injected Engine; Engine Blook Heater; Limited Slip Differential.
1978 Cadillac Historical Data:
The 1978 Cadillac model year introduction was on September 29, 1977.
Total 1978 Cadillac Production was 349,684.
Paint Colors & Codes:
Code Color Name
11 Cotillion White
Academy Gray (Two-Tone Color)
15 Platinum
16 Pewter
19 Sable Black
21 Columbia Blue
22 Sterling Blue
28 Commodore Blue
40 Seamist Green
49 Blackwatch Green
54 Colonial Yellow
62 Arizona Beige
64 Demitasse Brown
69 Ruidoso Saddle
74 Mulberry
80 Carmine
90 Medium Blue Firemist
94 Basil Green Firemist
95 Aztec Gold Firemist
96 Western Saddle Firemist
98 Autumn Haze Firemist
99 Canyon Copper Firemist
Promotional Model Cars:
Plastic: Coupe DeVille.
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