South Bend news-times. (South Bend, Ind.) 1913-1938, 1920-08-29


ignition come before Ignition An
explanation Will ob.ige. o. T.
PROPAGATION means ignition before
tho proper time or before dead cen
Tor just before the power stroke. l.
may be due - spark advanced too
Ear 20 overheated engine. or 90 glow
ing carbon. Tho effect IS 20 ignite
the gas before dead center while
the piston IS moving upward This
las tendency 90 push the piston
down slowing it down and causing q
knock To distinguish one from
a-othCr rctarl spark u EnODEI1-
continues look for signs Of overhead
ing such as steam az radiator u
engine j. not orcrheatiuE 10 maE be
carbon Remove "a spark plug and
see D. 10 IS Cagbovzcd lt not the
trouble IS worn piston or q loose
bearing. which must hr attended 90
az once
Motor Department have q
1oIs Dodge which up 10 the present
timc has given excellent service. y
few weeks ago had the valves
ground. and since then 10 gave good
service 4 few DAYS ago q knock
seemed 20 be IN the motor ] had
the generator chain frightened and
some OF u disappeared. but there ls
q
heard only by close attention. u
does not knock with spark lowered
20 last notch DO you think this
could be in the bearings" or SIS II
carbon knock or in the Generator
chain L. s
Besides the places YOU mention u
might be between the pushrods ard
the valve stems. what IS known MS
valve clearance. Careful search
will - necessary 20 locate e. Pts
tor slap viii also cause the EnocE
YOU mention
Meteor Departm ent--Vhen the
engine OF mr. Ford has been running
idle and the throttle is suddenly op-
tned vide u chokes and mishres for
a few seconds until il gains more
speed and then ~ runs perfectly.
The ignition is good and 80 acts this
way no matter how the carhurctor
g. set What is the reason FOR tins
ANY engine NAV choke IL the
throttle IS opened too wide suddcnl-
Under ordinary conditions chokin-
of the engine IS due to q worn needl-
valve which allows too rich mix
ture 10 be fed az low speeds and
The correct mixture after tho engine
gains speed.
Motor Department does
my Ford run better when nay caso-
line Is low . got better results IN
every way Thanking YOU for this
information and all the help ] have
had BY reading this department.
The gasoline tank Of the Ford car
IS carried higher than the carbure-
tor. and the gasoline is therefore.
delivered 10 the cdrburetor by -rav-
ity. The supply entering the car
huretor is controlled by necd...
valve attached 20 cork NOdf X
tho cork has lost some OF IT'S BUOY
ancy the pressure or the gasoline
AGAINST the float needle valve when
the Easoline tank is full may. cause
the valve 70 lift with the result thar
tho fuel mixture VIII become too
ficr when tho tank IS not full the
reduced pressure pronablT is unable
20 lift the needle. and the mixture
mains correct. Juou CNlmiuirS
1850 fOat u 10 is found 90 hr Et@
logged z should be- dried ont and
rH,0 covered with 81 coatln- OF shc--
Tee. or better sui. replaced WIN
Motor p'DsE. ment NlI YOU
p'easc tell me e good method for re-
--irinr lcaky radiator ms The ra-
UidtOr has a small leak which Is an
moving r. VI.
The hest way 20 stop the leak 49,
have the pare solderCa. he .nS
,ou speak OF are probarlN those
which facilitate radiation. but do not
,arry water Radiator differ in
trD~trliC tiCr- nut ia'sr -.H-ii- ---'-
Motor bcTar.07 mt claim l.l--
% heat the front axle OF 1 Gag 80 1s
g. t-y 20 true u up after g has been
bent ruins the axle. 4- 81 .t~ been
heat treated To heat f. again III
.r omen force kills the heat rSlt-
rrtlt that II hiss undergone Am
net right READER.
Urndou btedry. heating the axle wiz
weaken II shshtiy but not 10 dan
gerous degrCe During The process
- forSiag the particles are ham
mcred togetnsr, making ht meta
ing THIS effect IS lost Ii becomes
a choice OF the lesser Of Two evils.
then. a. II would be dangerous 10 .
straiEhten the axle cold