The Washington times., 1916-07-01


have q five-passenser car and when
throttle down the motor for two or three
minutes and then open the throttle the
motor seems to choke and sometimes
will stop altogether. Could you tell me
the trouble? Is there any advantage
In putting -lubricating oil In the gaso-
lenef Are any motor car engines so
1ubricAted7
A.-The trouble is in the carburetor.
Would suggest trying a new auxiliary
air valve spring Also inspect float and
doat valve and note II same work freely
and properly There are q rev cars
where lubricating oil Is used in the saso-
lsne and in this manner fed to the
cylinder. There are no particular ad-
vantages to this system. However. In
q y often advisableR
Motoring Department. The Times-l
have q one-cylinder car which Is Civ
ing me some trouble Of late. put
on . new cylinder and rings. While
the car 10 on the floor the motor runs
an right. and when take It out It
will run in low or reverse. but when
I put It in high It will run a short
distance and then almost stop. I have
inspected tho coil, the plugs, and the
valves and find them o. X. Have been
all over the car and cannot find any
thing wrong with the other Parts ar w.
re seems that you have not adjusted
che carburetor to make the motor pull.
Most any kind Of a carburetor adjust
ensnt will cause the motor to run idle.
but Q more careful adjustment 10 neces-
sary to obtain pulling qualities. Then.
again, you should make sure that the
spark control meets the conditions de-
sired. With q retarded spark you can
; hardly expect any power from the mo-
First make sure that the motor has
ssod compression and then see that you
, aSe gotting a good spark both in retard
and advance positions. After this the
, carburetor should be adjusted to obtain
B good mixture. With these three fun
rood Ignition, good mixture. you should
pull.
Motoring Department. The Times
Have . 1913 car and within the past
month have had the valves ground and
the carbon removed. and still the motor
knocks when running on the level. and
moro 30 when climbing hill. Also
J, at times when running In third speed
the lever Jumps into neutral and the
oar must be brought to q full stop. a
cannot put the lever into any. Of the
speeds when running. viii you be kind
snDSsn sn. shs e ,rS,I.s let %s know how to Oyer
The grinding Of the valves and. the
removal Of the carbon Will not elimi-
nate Q knock caused by loose bearings
4 will masnify the knock. II anything
From what you havo stated. Il appears
that the bearing. need adjusting.
II the shifting forks In the transmits;
Especially 10 this true with third speed
gears, In your case It is possible that
the dog clutches Of tho high sPsed
there 70 not enough bearing surface e
prevent the dogs from slipping out
This condition would be aggravated BY
worn shifting forks. The forks usually
wear moro rapidly than tho dos
Motoring Department. Tho Times;-
while replacing the tires on the bach
whssls recently. ran the car on low
gsss and noticed that ono wheel ran
faster than the other. How might thii
be explalned7 g. L.
II one largo tire and one small tirt
a!s used. . diftereptial action is set up
tires on the rear wheels should be Of the
especially the larger types. sometime,
dissr 'p s si,s . even tsd. though marked ed. tn, 3,
great, nevertheless any dlnerenc,
causes . slight differentiai action wher
oar, - used. When tho wheels arr
jscked up. one wheel may turn slower
than tho other. caused by increased re.
sistanoo At that wheel. Perhaps tht
bsakes are not equally adjusted.
Motoring Department. Tho Times
! have . 1e14 touring car. four cyiin
dsge. IN country running the oar con
bumas ono gallon of gasolene in fif
teen miles. VIII you please advise tn,
poonaumeS An one hour 90 sStsne when csr %I, Il
e . standstill with motor running ant
y0ar gas lever retarded? M. A.
10 answer your question offhant
would bo guess work. II you can ap
pro1imately estimate the r. p. NJ, o.
the motor under both the condition.
you have outlined, then you can NOR
tion. When idlins. the motor shoult
turn over very slowly, and. Of course