| Show I 1 n F IF F PH J ri U n V t C N U 6 A K r 0 0 N not mot all owners of automobiles aut omo biles have correct idea BUST Is DRAWN INTO MOTOR deposit eventually becomes so deep it Is incandescent causing premature explosion of fuel kerosene Is favored each man who owns an automobile lias has ins his own ideas about carbon prevention Illi tion and removal but not all of them are by any means correct tills this substance bub stance Is deposited in the combustion chambers of the gasoline engine through imperfect combustion of the cylinder oil and gasoline gj soline dust is drawn into the motor and adheres to the first oily surface it strikes adding to the accumulation of the piston lie licad ad ENL ritually this deposit becomes so deep that it is incandescent causing premature ignition of the fuel it is this latter characteristic is tic which makes it so important to get lid of the calbon some chemical removers recovers Re movers this substances may be scraped out with specially designed tools with most engines which permit a pretty thorough job to be engineered without removing the alie cylinder head there are arc several sorts of chemical cairon re movers on the market which are to be injected into the combustion chamber for the purpose of loosening the carbon and permitting it to be blown out of the exhaust with some types of motors it is possible to drop a small chain in the combustion chamber and let it scrape the carbon automatically as it hies flies about under the impulses of the piston kerosene best remedy when the engine is hot at the end of the days run feed about three or four ounces say a third of an ordinary drinking glass of kerosene through the air vent on the intake manifold or through the air intake of the carburetor while the engine is idling the kerosene should be poured in gradually and the throttle should be opened very slowly and the engine be speeded up on the kerosene which is thus drawn into the cylinders in larger quantities than can be vaporized vaporizer and burned at once and in ili a few minutes the excess kerosene ha li being churned up and down in ili the ci cylinders linders soak soaking ing the valve seats and spark plugs left for the night that Is a surplus of the acro kerosene in the cylinders way may be proved by the fact that the engine will run at good speed for semil aemil minutes after the operator has ins stopped pouring the oil into the it intake manifold after running the engine for some minutes on the kerosene fuel it should be rapidly speeded up b opening the air yent wider and then while the kerosene is still being cd into tile the manifold the spark should be shut off more kerosene is drawn into the cylinders with each revolution and none of it is burned up and it may be left for the night to perform its function of a carbon solvent on the cylinder valie seats and plugs |