1993 Pontiac Grand Am Owner's Manual - Page 212
1993 Pontiac Grand Am Manual
Page 212 highlights
SAE 5W-30 (2.3L Quad OHC and Quad 4 Engines) As shown in the viscosity chart, SAE 5W-30 is best for yourvehicle. However, you can use SAE 1OW-30 if it's going to be0°F (-18°C) or above. These numbers on an oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 1OW-40 or SAE 20W-50. I- - 211
SAE
5W-30
(2.3L
Quad
OHC
and
Quad
4
Engines)
As
shown
in
the
viscosity
chart,
SAE
5W-30 is best
for
yourvehicle.
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.
Do
not
use
other
viscosity
oils
such
as
SAE
1OW-40
or
SAE
20W-50.
211
I -
-