Chevrolet 1993 Corvette Owner's Manual page 253

Service
&
Appearance
Care
SAE
5w-30
As shown in the viscosity chart, SAE
5W-30 is best for your vehicle.
However, you can use SAE 1OW-30 if
it's going to be 0°F (-18°C) or above.
These numbers on an oil container
show its viscosity, or thickness.
Energy Conserving I1
Oils with these words on the
, container will help you save fuel.
This doughnut-shaped logo (symbol) is
used on most oil containers to ,help you
select the correct oil.
You should look for this on the oil
container, and use only those oils that
display the logo.
Your Corvette engine is filled at the
factory with a Mobil
l@
synthetic oil,
which meets
all requirements for your
vehicle.
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