1931 CADILLAC 370-A V-12

MODEL 370-A

1931 Cadillac

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1931 Cadillac Fleetwood

The Cadillac Series 370-A (a twelve cylinder) was similar to the 1930-31 V-16. except some bodies were built by Fisher, but all body interiors were built by Fleetwood. The coach sill was modified with a single molding on the splash shield. The battery was mounted in the right front fender. The hood was four inches shorter than the V-16 and five inches longer than the V-8. The instrument panel was similar to the V-8 panel. The headlights were one inch smaller in diameter than the V-16 headlights. The dual rear lights were ball shaped like the V-8. The dual horns were slightly smaller than on the V-16.

1931 Cadillac

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1931 Cadillac

The frame had divergent side rails like the Series 355. The rear springs were mounted under the frame rails. The front tread was the same as the V-8. The brakes had a vacuum assist which was operated only from the left manifold. The brake drums were 15 inches. The sedans had two wheelbases: 140" and 143"; but the semi-commercial unit had a 152" wheelbase.

1931 Cadillac

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1931 Cadillac

The engine had dual intake silencers which were slightly smaller than the single unit on the V-8 and were positioned at the rear where the V-16 vacuum tanks were mounted. The carburetors were similar to the V-16, but they were reversed so that the air inlet was at the rear. A single vacuum tank was mounted on the center of the dash where the V-16 oil filter was mounted. The oil filter was mounted on the left side of the crankcase. The bore was 1/8 inch larger than the V-16. The rear center main (number 3) takes the thrust. The exhaust manifolds had two sections rather than three. The spark plug wires came out the top of the distributor cap rather than the rear.


I.D. NUMBERS

Serial numbers were not used on the 1931 Series 370-A.

1931 Cadillac

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1931 Cadillac

The engine numbers were stamped on the right hand side of the crankcase, on the generator drive chain housing.
It started with 1000001 and ended with 1005733.

STYLE

Fisher 140" Wheelbase
StyleDoorsModelPassengerPriceWeight
311524Town sedan5$39455330
311582Coupe2/4$37955135
311594Sedan5$38955315
311722Coupe5$38955155

STYLE

Fisher 143" Wheelbase
StyleDoorsModelPassengerPriceWeight
311624Sedan7$41955445
311634Imperial Sedan7$43455520

STYLE

Fleetwood 140" Wheelbase
StyleDoorsModelPassengerPriceWeight
47022Roadster2/4$39455010
47352Convertible Coupe2/4$40455105
47574Transformable7$4295 
47604Phaeton5$40455050
47804All weather phaeton5$48955340
47852Convertible coupe5  

STYLE

Fleetwood 143" Wheelbase
StyleDoorsModelPassengerPriceWeight
47504Full Coll Cabriolet7  
48124Transformable Town Cabriolet5/7  
48204Transformable Town Cabriolet5/7  
48254Transformable Town Cabriolet7  
4825-C4Coll Transformable Town Cabriolet7  
48304Imperial Sedan5/7  
4830-S4Sedan5  
48504Transformable Cabriolet7  
48554Imperial Cabriolet5/7  
4855-S4Sedan Cabriolet5  
4856-A4Imperial Sedan8  
48644Town Brougham5  
4864-B4Town Brougham5  
4864-Q4Town Brougham5  
48754Imperial Sedan7  
4875-S4Sedan7  
48824Sedanette7  
48834Limousette7  
48914Transformable Limousine Brougham7  

1931 Cadillac

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1931 Cadillac


ENGINE

Type45 degree overhead valve
CylindersTwelve
MaterialCast iron on aluminum crankcase
Bore & stroke3-1/8 x 4.00"
Displacement368 cu ft
Compression ratio5.38:1, 5.20:1, 5.03:1
Brake horse power135 @ 3400 rpm
SAE/Taxable HP46.9
Main bearings4
Valve liftersMechanical with hydraulic silencer on rocker bushing
CarburetorDual Cadillac/Johnson with intake silencer

1931 Cadillac

1931 Cadillac Fleetwood


CHASSIS

Wheelbase series 370-A140"

1931 Cadillac

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1931 Cadillac

Wheelbase 7 pass Sedan & Imperial143"
Wheelbase commercial152"
Overall length210 - 220"
Height72.5"
Front tread57.25"
Rear tread59.5" (beginning with chassis serial number 10-2720, tread is 60.5")
Tires7.00 x 19 whitewall
Optional tires7.50 x 18

DRIVETRAIN

TransmissionSelective synchro transmission

1931 Cadillac

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1931 Cadillac

Speeds3 forward, 1 reverse
Controlleft hand steering, control mounted in center, right hand optional
ClutchTwin disc
DriveShaft drive with torque tube
Axle3/4 floating rear axle
Differentialspiral bevel
Overall ratiostd 4.54:1, opt 4.07:1, 4.91:1
BrakesMechanical brakes on 4 wheels with vacuum assist
Brake drums15"
Wheels (std)wood artillery
Optional wheelswire, disc, demountable wood
Wheel sizestd 19", opt. 18"

HISTORICAL NOTES

1931 Cadillac

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1931 Cadillac



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