The Washington herald., 1921-10-02
GREATEST DAMAGE
Is In OIL DILUTION,
SAYS. WARRINGTON
Petroleum Refiners Turn
Out Heavy Product,
Causing Trouble.

Z. fl. Warrington, president of the
Warrington Motor Company, and
president of the Washington Auto
motive Trade Association recently
addressed the ''Y" Automotive Club
on Cylinder Oils-Dilutions and Its
Dangers" Mr.. Warrington said, in
part:
10 the automotive engineer this
subject is one of utmost Importance
and daily Is receiving his attention.
Few of us realize its predominating
influence in motor design of today.
and, in fact, for the past two years.
Cylinder oil dilution has created
more damage, constant and exhaus-
tive study on the part of all the
leading designers, than any other
element, theory, or practice, that
has entered into the internal COM
bustion motor in a decade. The sub
ject entails advanced chemistry both
organic and inorganic; as we'll as
detailed metallurgy.
You remember that three years
ago csrbonizing cylinders was the
last OF the car owners troubles;
valves needed little attention, usual
ly being ground on the average of
about six or seven thousand miles.
and the custom, in not the neces-
sity, Of draining and flushing the all
reservoir was but a seasonal occur
ance. May / ask as to whether such
are the conditions today?
The ability of the petroleum in
dustry during the past few years to
met the constantly increasing de-
mand for gasoline and lubricating
oils Of all classes has been accom-
Dlished only by turning ont
ucts that have been becoming grad
ually heavier and less volatile. This
condition Immediately placed the
motor designer in an embarrassing
position. relatively speaking. HIS
motor design through years Of ex-
haustive tests carried on with q
fuel light in density and extremely
volatile. could not handle this new
fuel with the same degree Of eff
cheney. The condition presented
therefore. was none other than ex'
treme unbalances. namely the en-
gine, it's fuel and lubricating oil.
1T is not difficult to recall that
in January. 1919, the car nlanufac'
turer began announcing many and
varied designs Of inlet manifolds
radical changes in cooling and cir
! CullLlnB sSSlcHlS, IcsliISNSu ""N''
/ Jackets around cylinders, changes ir
cam design. valve sizes and lifts
dual valves. etc. Either the fue
md lubricating oil must be improv
I ed or engine designs changed. Com
/ pletinG exhaustive studies OF tn
/ former. namely, fuel. II was read'l!
understood that. commercially, thi'
was impracticabl BILE in the face Of un
known demands on nature, as el
as refineries. and, therefore, engin
design must change to handle thii
| rev fuel as efficiently as the pre-
| vious motors had handled the NOR
| volatile fuels and lubricating oils
This was subsequently done, an'
| conclusively proved through man!
and varied tests that these newl!
designed motors reached the eff
cheney of previous ones using tn
Heavier and less volatile fuel.
This condition. however. has de
Yeloped the dilution problem. Thi
same condition existed before bu
| the fuels in use at that time beint
more volatile, the thinning out o
the lubricating oil did not reach
point where it did not support lub
rication. Leakage will always oc
cur in any our cycle engine IRE
spective of the type or nature of tn
fuel used-a point by the way, EN-
nj asizing the direct need of con
slant and proper piston ring seal t.
reduce these leakages to a mini
mum"