1916 Cadillac - GM Heritage Center

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Carburetion
I . The matter of scientific carburetion is but one of the subjects which has
| been given unusual attention by the Cadillac Company. A special
J laboratory department has for years devoted its entire attention to the
| development of this important factor.
| The present carburetor is the result of vast experience and experi-
| mentation. It is designed and made by us especially for this Eight-
J cylinder V-type engine.
| The carburetor is situated directly above the engine where it is readily
| accessible and in a position which insures a proper and uniform distribu-
1 tion of gas to the cylinders.
| Having in mind the essential factors of flexibility to meet a wide range
I of speeds and conditions together with acceleration and economy, as well
| as simplicity, results would indicate that we have progressed i n the matter
| of carburetion to a point where it would seem that there is practically little
j if anything more within the range of possibilities to be accomplished.
| Cooling
| The cooling system consists of the Cadillac tubular and plate type
| radiator with high efficiency rotating fan mounted on the forward end
| of the generator shaft which is driven by silent chain from the crankshaft.
I There are two impeller pumps, one on each side of the engine, insuring
1 proper water distribution. There is also liberal water circulating space
| around the cylinders.
I The water chambers of the cylinders are provided with cover plates
1 at the ends, making it possible for them to be flushed of sediment.
| Within each pump housing is a thermostat which controls a valve that
| is between the radiator and the pump.
j When the temperature of the cooling water drops below a predeter-
1 mined temperature, the thermostats contract, thereby closing the valves.
The water is then circulated only through the cylinder blocks. As the
temperature of the water rises, the thermostats expand, thereby gradually
opening the valves, permitting the pumps.to draw water from the radiator.
The advantage in this device is, that in starting with a cold engine, the
engine is brought to a point of highest efficiency, in so far as heating is
concerned, much more quickly than if it were necessary to heat the entire
volume of water before reaching that efficiency.
Clutch
The clutch is our multiple disc dry-plate type, consisting of fifteen
carbon steel plates, 1% inches in diameter.
The alternate plates—those driven by the flywheel—are faced with
wire mesh asbestos.
The operation of the clutch is unusually soft and smooth, enabling
the car to be started with exceptional ease and without shock or jerk.
Transmission
The transmission is built in unit with the engine. It is the selective
type, sliding gear, three speeds forward and reverse. All gears accurately
cut and ground.
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For further details, see "Specifications in Brief."
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