The Oklahoma City times. [volume] (Oklahoma City, Okla.) 1908-1984, 1917-01-23
CARBON REMOVAL
OWNERS WORRY
Substance Is Deposited by I'M
perfect Substance,
DUST GETS IN MOTOR
Becomes IncandeSCent, CauS-
ing Premature Ignition,

Zach man who owns an automobile
ha, his uwf ideas about carhon-pts
venton and removal, but not all oi
them are by any means correct. ms
substance is deposited in the oombus
tion chambers OF the gasoline engine
through impericc, combustion OF the
cylinder oil and gasoline. Dust Is
drawn into the motor and adhereN to
the first oily surface 1t strikes, adding
to the accumulation OF the plSton-head
Eventually this deposit becomes so deep
that ii is incandesocnt, causing prema-
turc ignition Of the iuel. 1t IS this
latter Characteristic which makes It 20
important to get rid OF the carbon
May Be Scraped Out.
This substance may be soraped ont
with specially designed tools with most
engines, which permit pretty thorough
lob to be engineered without removing
the cylinder head There are several
sorts Of chemical carbon n-removcrS on
the market which are TO be injected
into the combustion chamber for the
purpose OF looSenlng the carbon and
permitting i, to be blown out OF the ex-
haus, With some type, OF motors IT
is possible to drop small chain IN
the combustion chamber and kt II
Scrape the carbon automatically as il
flies about under the impulses OF the
piston.
After many experiments IT has been
found that the one best bet as car
bon remover is a dose ot ordinary kcr-
oNenc. properly administered When
the engine is hot at the end OF the days
run. ieed about three or iour ounces,
saw third OF an ordinary drinking
glass. of kerosene. through the air vent
on the intake manifold, or through the
air intake of the carburetpr. while the
engine is idling. The kerosene should
be poured N gradually and the throttle
should be- opened very slowly, and the
engine be speeded upon the kerosene,
which is thus drawn into the cylinders
in larger quantities than can be vapor
iicd and burned at once. and IN lew
minutes the excess Kerosene is being
churned no and down IN the cylinders,
soaking the valycsea and spark
plugs
Carbon Solvent.
That there is a surplus oi the kero-
sene IN the cylinders may be proven by
The fact that the engine viii run at
good speed Tor several minutes after
the operator has stopped pouring the
oil into the intake manifold After
running the engine Tor some minutes
on the kerosene fuel. i, should he rap
idly speeded up by opening the air
vent wider and then. while the kerosene
is still being poured into the manifold,
the spark should be shut off More
kerosene is drawn into the cylinders
with each revolution, and none OF II is
burned up aud ii may be lep Tor the
night To perform lis function OF car
bon solvent on the cylinder head. valve
seats, and plugs.
MANY car owners inject the kerosene
through the pet cocks, but the method
described above has the advantage oi
uniform application to the valves When
the oil is put in by way of the pet
cocks i, is likely To run down one side
OF the valve and remove only a part o.
the carbon deposit leaving the other
SIDE untouched and ready tor Us old
mischief
As with most other ihinp,, prevention
is better than cure oi carbon troubles.
BY taking little care III the first place
i, is perfectly possible to prevent the
formation OF carbon By giving the en-
gine treatment ~ the kind Indicated
above regularly, say once a week dur
ing the active ruhnino season, carbon
would he removed before il got n
chance to form One motorist has a
small tank OF Kerosene installed under
the iron, of his car. Every day as he
draws near his home he switches from
his gasoiene feed to the kerosene Tor
ten minutes running He claims that
this practice has relieved him from all
carbon troubles, and that his engine
runs better than he had ever dreamed
possible.
Mixtures Prepared.
Some car owners prefer mixtures OF
various sorts 10 plain kerosene. Alec.
hol and Kerosene IN proportions ot three
10 one make a very good carbon sol
vent and another good carbon cleanser
~ Hldut " TWO ndIls aCtlOUt, TWO parts
kerosene, and one part ether The fund.
amen,al advantages OF kerosene may
be Judged from the fac, tina, it appear,
in practically all the different carbon
solvents.
I In preventing the formation OF car
bon nothing is any more important than
the use OF a good cylinder oil and the
correct adjustment OF the carburetor
Excessive carbon deposits will nearl,
always be found to be due to one o
these causes The bcS, advice that car
he given a car owner is to buy a stand
ard brand oi oil In the quality recon
mended for use in the particular max,
and model oi car. Some cars may MS,
different oil in summer from the on,
for the colder weather. Also rcmcm
her that as the car gets older and IN,
parts become thoroughly worn in and 4
triile loose, a heavier oil is often bene
fetal
These are points on which the adj
vice OF the oil exper, should he souph,
the local renresentative of any of m,
reliable companies will he able TO Of
4. l. II. Al "a