South Bend news-times. (South Bend, Ind.) 1913-1938, 1922-03-12
MOTORISTS PROBLEMS
Solved for Readers of The News-Times
By WILLIAM H. STEWART, JR.

OOINCO lOI NCdOCIS
By WILLIAM H.
Motor Department. Please an
swer iu YOUR next issue the follow
ing questions. First. DO the intake
valves begin to open before .he pis-
TON reaches dead center. or ~ what
tme2 second. what is cycle. and
how many has am automobile J. 3.
Tho intake valves usually open
about no dcErces past top dead cen
ter s. cycle is q completion OF
events. and single cylinder engine
completes one cycle when the sue
ton stroke compression stroke. fir
ing stroke AMI exhaust stroke are
finished. III the engine has more than
one cylinder, then each cylinder
functions likewise. but the design is
such thar no two strokes take place
at tho same time. In all mul:i-cyl-
Indered engines. the power strokes
are staggered in order 20 obtain
greater feasibility Of power.
Motor Department. have 1920
Dodge touring car that has been
driven about 10000 miles and when
driving along At a speed OF II 20 u
miles an hour there IS a slight growl
somewhere that seems 20 come from
transmits or diferential. Now az
q speed of anything slower or faster
than the above mentioned this noise
is not noticeable. Am using lubIico
i1 TRANSMIT sslon and differential. Any
information YOU can give me on this
VIII DO greatly appreciated. =. r
a badly worn or defective bearing
iu the transmission or dinerentisl
would cause tho growl at certain
speeds. Take mp the floor boards and
have a good mechanic locate the
noise while YOU operate the car AZ
the critical speed. II should not be
difficult 90 determine the cause Of
the trouble i'm this manner.
Motor Departments Some time
ago ]. put some radiator compound
In my radiator 20 stop leak Upon
adding alcohol 10 the water Ct now
hare a new radiator) ] find that
pieces Of this compound come out of
tho engine and stop mp the pie.
VIII yoI please tell me how 10 clean
out the WaterjaCket of my engine SO
1 VIII have no more trouble? G.. T..
Remove radiator from car Con
meet hose 20 water outlet OF cylinder
water jacket. BY flushing i'm this
manner the powder and rust which
have been accommodating will be
forced ont of the jackets II this
~. #Hr.rs u
walls would advise procuring a scale
removing compound which can be
purchased from any accessory deal
or. Full directions are given with
the compound.
Motor Departmental will soon
be time for me 10 take my car out
of winter storage. but did not
change the oil i'm the crank case
last fall. What I want 10 ask is
whether 10 viii be all right 20 run
80 from che place where il is stored
IN the place where 7 want to work
on st. about i've miles. viii the old
on do 0r must new be put in? do
NOS want 90 put in new oil until
have cleaned out the crank case.
and IL Is not convenient to do that
az the garage. Please advise me.
OWNER.
The old oil may still be used, MAX
ing sure that &c stands al the right
height. As it was probably run
some distance last fall it should be
cleaned out as soon as possible. We
approve your method Of removing
the oil base to clean. Never attempt
10 remove sediment by Inserting
Kerosene and running tho engine.
a. it throws erit into the bearings.
Motor Department. find that
after running my car an hour or so
70 begins 90 jerk and miss. The mo-
tor doesn't seem 90 pull at all. stop
ping tho car I find the motor is run
ming we'll Leaving the car stand a
minute and then starting again n
find 10 VIII run fine for about 20
minutes and then the same thing
VIII happen again. OWNER.
The fact that the motor runs well
most of the time and baIks occa-
sicna!ly is sufficient proof that there
IS nothing seriously wrong. Perhaps
there Is toreiEn matter I'M the gaso-
lime pipe line which at times binders
tho proper flow or gasoline 20 the
Carburet'r. s. little water i'm the
csrburetor would also produce the
same result. lf the valves have not
been cleaned for n long time. fl is
possible that they may be Cummad
and occasionally stick IL appears.
howcH or. that the annoyance is more
than likely due 10 foreign matter in
The carbWetor and pipe line
Motor Departmcnt.-ki let
mo know II it is necessary 10 have
the cylinders I'm a car reground ifI
they are out -0U7 thousaudths i'm
ralliperius them with an inside mi
erometcr. Cannot new rings be
ground very close. that is. the ends
oI the rings fitted so they are not
three thousaudths apart2 VIII this
Iive good compression i'm a six-cvl-
inder motor, 3 e-inch diameter evil
iuders2 Would YOU advise having
same reEround and new pistons fit
ted or just ht new rings for another
year W. X.
Would advise having the cylinders
reEround and new pistous with rings
lifted. This viii insure good results.
Just fttinE new rings would not pro
duce desired results.
Motor Departmental have an Ov-
crland ear. and noticed some time
ago that there is oil i'm my radiator.
j put "a new Easket ON the cylinder.
nut in new piston rings. considered
Tho best. and my cylinder walls are
not cracked. What n your opinion.
is the rause' The oi has run half
way down thr front OF the radia- I