Chevrolet 1973 Monte Carlo Owner's Manual page 54

SE oils and quality oil filters. Oil
change intervals longer than those
listed above will seriously reduce
engine life and may affect Chevro-
let's obligation under the provisions
of the New Vehicle Warranty.
A high quality SE oil was in-
stalled in your engine at the factory.
It is not necessary to change this
facory-installed oil prior to the rec-
ommended normal change period.
However, check the oil level more
NOTE: Non-detergent and other
low quality oils are specifically not
recommended. Only the use of SE
engine oils and proper oil and filter
change intervals assure you of con-
tinued proper lubrication of your
Chevrolet engine.
frequently during the break-in pe-
riod since higher oil consumption
is normal until the piston rings be-
come seated.
Recommended Viscosity
Select the proper viscosity from the following chart:
RECOMMENDED SAE VISCOSITY NUMBER
I
,.
. . . .
~.-."').
... .II • • • : . ;
I
-30 -20 0 20 40 60 80 100
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE, OF.
NOTE: SAE 5W-30 viscosity oil is recommended for all seasons in
vehicles normally operated in Canada. SAE 5W-20 oils are not recom-
mended for sustained high-speed driving.
SAE 30 oils may be used at temperatures above 40
o
P.
The proper oil viscosity helps
assure good cold and hot starting.
NOTE: The oil gauge rod is also
marked, "Use SE Engine Oil" as
a reminder to use only SE oils.
52
Checking Oil Level
The engine oil should be main-
tained at proper level. The best
time to check it is before operating
the engine or as the last step in
a fuel stop. This will allow the
oil accumulation in the engine to