El Paso herald. (El Paso, Tex.) 1901-1931, 1914-02-07

I have a make and break sys-
TEN, which gives very good satIsI &C
coil As I use no batteries would
there be any advantage IN connecting
'nS oI an the same car, the logged
clutches connecting rear a1les with
wheels are worn so as 10 allow ABOUT
one-fOurth inch play between the
clutch and Wheeli Ihe cLuCCn i: ~ s ~ ~
on floating axle. How can TINS JrouDie
be overcome without getting new
Pa while nv transmission looks o.
z there is a tendency to clip out Of
second speed. What is the remedy
on the piniOn gear two or three
teeth are Clipped about lilo men oeep
on Darts of the faces. This IS a spe-
Cial Gearing and not a stock part
How. and at about what cost could L
have it repaired, and would a repair
Tbanj1ing YOU for answers to the
above, which hope will be OF inIeT est
to your regular readers +; S1aW.
III No advantage will be gained Dy
usfng the coil. If batteries are used
then the coil is necessary. A InagnsIo
in good condition viii furnish suIIl-
cient current
Welded so that the dog clutches may
be fitted tight. This is the most eco
nomical process
1s) The gear-shifting forks are
probably worn and need replacing
These forks hold the gears IN the!r
proper places when shlIueu. anu II
they are considerably worn otteq MINES
the gears are not fully meShed WOulu
suggest that a careful Inspection De
made Of these parts
"a To repair pinion gear IS hoL
practical These parts are usually cut
and tempered in such n manner that
to repair them is not advisable. II
the pinion gear in its present cOnQl-
would suggest that you have a new
one made. The approximate cost OF
making such a gear would be ABOUT
So.
Motoring Department, the Herald.
viii YOU kindly explain what is
meant by back firing2-SS:urloQs-
Back firing usually implies that lg-
milton takes place in the cylinder be-
fore the piston reaches top deao CEN
ter of the compression stroke, tnere-
by causing the crank shaft to reverse.
If this occurs when the operator IS
holding the crank st produces pack
kick which is liable to dlSIocaIe the
shoulder or otherwise 1nJure the arm;
me term back firing is also applled
70 an explosion of gas occurring our
ing the inlet stroke Of the piston RMS
would ignite the gas IN Ine rf nan ca17
manifold and mixing chamber or car
buretor. Should gasoline be uIlpplhs
from the carburetOr IL may cause
serious fire.
Motoring Department, the Herald
Kindly let me know the cause Tor re-
peatedly missing in the cylinders Wne .l
driving car at night, with elecJflc
lights on. The power Tor hghJS Is
from the magnetic. Car runs o. K
with lights off-A :
There is probably leak In the cur
rent supplied to the plugs If the
battery is in series with the magnetic
it's also possible that the lgnlLlqn
system is robbed q - proper z{TzI55
when all lights are in use. Woulu
suggest a careful inspection of all the
wiring and connections
Motoring Department, the Herald
VIII YOU kindly explain what causes
the inside of tire TO break on
crack2 I have had several tires crack
inside and the fabric become loose.
took the matter up with the tire
people but they refuse TO make any
adjustment on same stallng tna al
Is this correct2-Reader.
insufficient air pressure will cause
the fabric to break up quickly When
the tire is not properly inflated the
fabric works constantly. AS q result
the tire becomes Overheated and very
quickly deteriOrates Also when road
distractions are encountered such as
cobblesuones, etc, the fabric is unnec-
essarily contOrted and bruised After
very little treatment of this sort
bloWouts must be expected
Motoring Department the Herald
Is it necessary to use a lighter oil IN
winter than in summer Also why IS
q
oil than Of the heavy
Tt should not be necessary to use
lighter oil Very few operators
change the grade Of oil with the sea-
sons. In very low temperatures, how
ever, ii is advisable to use a lighter
oil The condition and type Of the
motor usually determines the grade Of
oil that should be used
Light oil works past the bearing
surfaces more readily, and is apt to
be wasted in this manner.
Motoring Department. the Herald
I have a car which has been
giving me considerable trouble with
compression loss. 1 had the engine
taken down and found that the piston
rings were considerably worn. Also
that the cylinders were slightly worn
I had a new set of rings put in, but
there is still considerable compression
loss have been advised to have the
cylinders rebored and new pistons fit
ted. Would this seem adVisab bic, and
how much will it cost to have the four
cylinders fitted? Any advice will be
appreciated by z. c. J.
If the cylinders and pistons are
worn out true it is best to have the
cylinders ground true and new pistons
with rings fitted. The cost Of rebor-
ing each cylinder should not exceed
81. You should be able to purchase
oversize pistons at about "a each.
Motoring Department, the Herald
By answering these questions through
viii be doing a great favor for a con
slant reader:
About how many degrees does the
intake valve on a fast racing aUtOmO-
bile close past dead center top? What
is the degree the exhaust valve opens
before dead center bOttom2
What is the valve timing Of the
Bitten BENZ Does it fire 1-3-4-22
If machine is all out Of valve tim
ing. how do you get it timed correctly?
What is the usual valve timing on a
touring car?
Thanking you in advance for your
Kindness in answering these questions,
I am, yours respectfully, Mark Place.
The intake valve closes about Is
degrees past top center. The exhaust
valve opens about As degrees before /
bottom center.
The order Of firing is 1-2-4-3
The lead to the valves is usually
measured by marks on the flywheel I
II the flywheel is not marked it viii
be necessary to determine top center
and bottom center, and establish these
points by marking the flywheeL When
this is done the points determining the
lead to the valves can be established.
These are usually laid out in degrees.
When all the points are established. |
determining the lead to both intake
and exhaust valves. it is q simple mat /
ter TO mesh the timing gears so that
the valves viii open and close prop |