1972 Cadillac
For 1972, there were five models offered: Calais (two-door hardtop coupe and four-door hardtop sedan), deVille (two-door coupe and four-door sedan), Fleetwood Sixty-Special (four-door brougham), Fleetwood Seventy-five (four-door sedan, four-door limousine, and commercial chassis used in hearses and ambulances, etc.), and Fleetwood Eldorado (two-door hardtop coupe and two-door convertible)
In 1972, Cadillac marked its 70th anniversary with a refined line of cars that would set sales records. Cadillac built 267,787 cars which included a black Eldorado that President Nixon gave to the Soviet leader, Leonid Brezhnev. Introductions of the 1972 line took place in September, 1971 with production continuing until July 7, 1972. Calendar year production peaked at 266,780 cars and model year output hit 267,787 units. It was a record breaking year.
Character | Type | Indication |
---|---|---|
First | number | "6" to indicate production by Cadillac |
Second | letter | indicates the series as follows:
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Third & fourth | numbers | indicates the body type:
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Fifth | letter | Engine:
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Sixth | number | Model year.
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Seventh | letter | Manufacturing point.
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Eighth - thirteenth | numbers | The sequential production code |
The GM serial numbering system changed slightly this year to incorporate an alphabetical series code and a new alphabetical code designating engine type. The serial number was again located on top of the instrument panel where it was visible through the windshield.
Model Name | Model No. | Body/ Style No. | Body Type | Seating | Factory price | Shipping weight | Production total |
---|---|---|---|---|---|---|---|
Calais | 682/C | C49-N | 4-dr HT Sedan | 6 pass. | $5938 | 4698 lb | 3875 |
Calais | 682/C | C47-G | 2-dr HT Coupe | 6 pass. | $5771 | 4642 lb | 3900 |
DeVille | 683/D | D49-B | 4-dr HT Sedan | 6 pass. | $6390 | 4762 lb | 99,531 |
DeVille | 683/D | D47-J | 2-dr HT Coupe | 6 pass. | $6168 | 4682 lb | 95,280 |
Fleetwood Sixty-Special | 681/B | B69-P | 4-dr Brougham | 6 pass. | $7637 | 4858 lb | 20,750 |
Fleetwood Seventy-Five | 697/F | F23-R | 4-dr Sedan | 6 pass. | $11,948 | 5620 lb | 995 |
Fleetwood Seventy-Five | 697/F | F33-S | 4-dr Limousine | 9 pass. | $12,080 | 5742 lb | 960 |
Fleetwood Seventy-Five | 698/Z | 69890Z | Commercial chassis | - | $- | - lb | 2462 |
Fleetwood Eldorado | 693/L | L67-E | 2-dr Conv. Coupe | 6 pass. | $7681 | 4966 lb | 7975 |
Fleetwood Eldorado | 693/L | L47-H | 2-dr HT Sport Coupe | 6 pass. | $7360 | 4880 lb | 32,099 |
Engine type | Overhead valves. Cast iron block |
Main bearings | Five |
Valve lifters | Hydraulic |
Displacement | 472 cubic inches (7.7 litres) |
Bore and stroke | 4.300 x 4.060 inches (109 mm x 103 mm) |
Compression ratio | 8.5:1 |
Brake horsepower (net SAE) | 220 at 4400 rpm |
Brake horsepower (gross SAE) | 345 at 4400 rpm |
Torque | 365 ft. lbs @2400 rpm |
Oil pressure | 35 psi |
Carburetor | Rochester four-barrel Quadrajet Model 4MV |
Model | Wheelbase | Overall length | Tires |
---|---|---|---|
Commercial chassis | 157.5 in | - | L-78 x 15 |
Seventy-Five | 151.5 in | 250 in | |
Sixty-special | 133 in | 232 in | |
Eldorado | 126.3 | 223 in | |
All others | 130 in | 229 in |
Engine | V8 472cc (7.7L) | V8 500cc (8.2L) |
Crankcase | 4 qt | 5 qt |
Crankcase with new filter | 5 or 6 qt | 6 qt |
AutomaticTransmission after draining | 8 pt | 11.9 pt |
Drive Axle | 5 pt | 4 pt |
Fuel tank | 27.5 gal(US) | 27.5 gal(US) |
Cooling with heater | 21.3 qt | 21.3 qt |
Cooling with A/C | 21.3 qt | 21.3 qt |
Heavy duty Cooling | 21.8 qt | 21.8 qt |
Engine V.I.N Code | R | S |
Engine type | V8-472cc(7.7L) | V8-500cc(8.2L) |
Fuel delivery | 4 bbl | 4 bbl |
Manufacturer | Cadillac | Cadillac |
Original Spark plug | R46N | R46N |
Gap | 0.035 in. | 0.035 in |
Distributor Point Dwell | 30° | 30° |
Distributor Point Gap | 0.016" | 0.016" |
Ignition timing (BTDC) | 8° | 8° |
Intake valve opens (BTDC) | 34 | 34 |
Fuel pump pressure | 5¼ - 6½ psi | 5¼ - 6½ psi |
Idle speed | 600/400 rpm | 600/400 rpm |
Part # | 1100940 | 1100558 | 1100937 | 1100557 | 1101015 | 1117144 |
Field current @ 12 V | 2.8 - 3.2 | 2.8 - 3.2 | 4.0 - 4.5 | 4.0 - 4.5 | 4.0 - 4.5 | 4.0 - 4.5 |
Output | 42 amps | 42 amps | 63 amps | 63 amps | 80 amps | 145 amps |
Regulator Field-Relay: Air Gap | 0.015" | 0.015" | Solid State | Solid State | Solid State | Solid State |
Regulator Field-Relay: Point Gap | 0.030" | 0.030" | ||||
Regulator Field-Relay: Volts to Close | 1.5 - 3.2 | 1.5 - 3.2 | ||||
Regulator Air Gap | 0.060" | 0.060" | ||||
Regulator Point Gap | 0.014" | 0.014" | ||||
Regulator Volts @ 75° | 13.5 - 14.4 | 13.5 - 14.4 | 13.8 - 14.8 | 13.5 - 14.4 | 13.8 - 14.8 | 13.5 - 14.4 |
Engine | V8-472cc (7.7L) | V8-500cc (8.2L) |
Battery Ampere Hour Capacity | 74 | 74 |
Battery Volts | 12 | 12 |
Battery Terminal Grounded | Neg. | Neg. |
Starter, Lock Test, Amps | Not Recommended | Not Recommended |
Starter, Lock Test, Volts | ||
Starter, Lock Test, Torque | ||
Starter, No-Lead Test, Amps | 65 - 95 | 65 - 95 |
Starter, No-Lead Test, Volts | 9 | 9 |
Starter, No-Lead Test, RPM | 7000 - 10500 | 7000 - 10500 |
Starter, Brush Spring Tension | 35 oz. min. | 35 oz. min. |
Engine V.I.N Code | R | S |
Engine type | V8-472cc(7.7L) | V8-500cc(8.2L) |
Manufacturer | Cadillac | Cadillac |
Fuel delivery | 4 bbl | 4 bbl |
Horsepower | 220@4000 | 235@3800 |
Torque | 365@2400 | 385@2400 |
Bore x Stoke | 4.300 x 4.060 | 4.300 x 4.304 |
Compression Ratio | 8.5:1 | 8.5:1 |
Oil pressure | 35 psi | 35 psi |
Engine type | V8-472cc(7.7L) | V8-500cc(8.2L) |
Main Brg Journal Dia. | 3.250 | 3.250 |
Main Brg Oil Clearance | 0.0003 - 0.0026 | 0.0003 - 0.0026 |
Shaft End-play | 0.002 - 0.012 | 0.002 - 0.012 |
Thrust on No. | 3 | 3 |
Engine type | V8-472cc(7.7L) | V8-500cc(8.2L) |
Journal Dia. | 2.5000 | 2.5000 |
Oil Clearance | 0.0005 - 0.0028 | 0.0005 - 0.0028 |
Side Clearance | 0.008 - 0.016 | 0.008 - 0.016 |
Engine type | V8-472cc(7.7L) | V8-500cc(8.2L) |
Piston-Bore Clearance | 0.0006 - 0.0010 | 0.0006 - 0.0010 |
Ring Side Clearance: Top Compression | 0.0017 - 0.0040 | 0.0017 - 0.0040 |
Ring Side Clearance: Bottom Compression | 0.0017 - 0.0040 | 0.0017 - 0.0040 |
Ring Side Clearance: Oil Control | None (side sealing) | None (side sealing) |
Ring Gap: Top Compression | 0.013 - 0.025 | 0.013 - 0.025 |
Ring Gap: Bottom Compression | 0.013 - 0.025 | 0.013 - 0.025 |
Ring Gap: Oil Control | 0.015 - 0.055 | 0.015 - 0.055 |
Engine type | V8-472cc(7.7L) | V8-500cc(8.2L) |
Seat Angle | 45° | 44° |
Face Angle | 45° | 44° |
Spring Test Pressure | 160 lb @ 1.50 in. | 168 lb @ 1.50 in. |
Spring Installed Height | 115⁄16 in. (1.671875") | 115⁄16 in. (1.9375") |
Stem-to-Guide Clearance: Intake | 0.0010 - 0.0027 | 0.0010 - 0.0027 |
Stem-to-Guide Clearance: Exhaust | 0.0012 - 0.0027 | 0.0012 - 0.0027 |
Stem Diameter: Intake | 0.3420 | 0.3418 |
Stem Diameter: Exhaust | 0.3418 | 0.3416 |
Engine type | V8-472cc(7.7L) | V8-500cc(8.2L) |
Cyl. Head Bolts | 115 ft.lb | 115 ft. lb |
Rod Brg Bolts | 40 ft.lb | 40 ft. lb |
Main Brg Bolts | 90 ft.lb | 90 ft. lb |
Crankshaft Damper or Pulley Bolt | Press fit | Press fit |
Flywheel to Crankshaft Bolts | 75 ft.lb | 75 ft. lb |
Intake Manifold | 30 ft.lb | 30 ft. lb |
Exhaust Manifold | 35 ft.lb | 35 ft. lb |
Carb ID | 7047231 (4MV) | 7047232 (4MV) |
Float Level | 15/64 in | 23/64 in |
Air Valve Spring | 1/2 turn | 1/2 turn |
Pump Rod | 11⁄32 in. | 11⁄32 in. |
Primary Vacuum Break | 0.140 in | 0.205 in |
Choke Rod | 0.090 in | 0.090 in |
Choke Unloader | 0.312 in | 0.015 in |
Fast Idle Speed | 1925 rpm | 1925 rpm |
Feature | Eldorado | Full size |
Caster Range | ½°N - 1½°N | 1½°N - ½°N |
Caster Pref. | 1°N | 1°N |
Camber LH wheel Range | 3⁄8°N - 3⁄8°P | 3⁄8°P - 3⁄8°N |
Camber LH wheel Pref. | 0° | 0° |
Camber RH wheel Range | 3⁄8°N - 3⁄8°P | 1/8°P - 5/8°N |
Camber RH wheel Pref. | 0° | ¼°N |
Toe-In | 0" | 1⁄8 in. - 1⁄4 in. |
Steering Axis Inclination | 11° | 6° |
1972 Cadillac Notes