Pontiac 2002 Firebird - Manual (Page 261)

6-15
As in the chart shown previously, if you have the
5.7L V8 engine, SAE 5W
- 30 is best for your vehicle.
However, you can use SAE 10W - 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 20W
- 50.
As shown in the following chart, if you have the
3800 V6 engine, SAE 10W
- 30 is best for your vehicle.
However, you can use SAE 5W - 30 if it’s going to be
colder than 60
_F (16_C) before your next oil change.
When it’s very cold, you should use SAE 5W - 30.
These numbers on an oil container show its viscosity,
or thickness. Do not use other viscosity oils, such
as SAE 20W
- 50.
3800 V6 Engine