How GF-3 Tests are Different From GF-2

CARS Magazine

Oil Quality Feature	GF-2 Test	GF-2 Engine Type	GF-2 Fuel
Fuel Economy	Sequence VIA	Ford 4.6L SOHC V-8	Unleaded
Dispersancy	Sequence VE	Ford 2.3L OHC-4	Unleaded
Low Temperature Wear	Sequence VE	Ford 2.3L OHC-4	Leaded
Oxidation	Sequence IIIE	GM 3.8L V-6	Leaded
High Temperature Wear	Sequence IIIE	GM 3.8L V-6	Leaded
Rust	Sequence IID	GM 5.7L V-8	Leaded
Bearing Corrosion	L-38	Labeco 1-cyl	Leaded
High Temperature Deposits	TEOST 33	bench test	—
Oil Quality Feature	GF-3 Test	GF-3 Engine Type	GF-3 Fuel
Fuel Economy	Sequence VIB	Ford 4.6L SOHC V-8	Unleaded
Dispersancy	Sequence VG	Ford 4.6L SOHC V-8	Unleaded
Low Temperature Wear	Sequence IVA	Nissan 2.4L OHC L-4	Unleaded
Oxidation	Sequence IIIF	GM 3.8L V-6	Unleaded
High Temperature Wear	Sequence VE	Ford 2.3LOHC L-4	Unleaded
Rust	Ball Rust Test	bench test	—
Bearing Corrosion	Sequence VIII	Labeco 1-cyl	Unleaded
High Temperature Deposits	TEOST MHT-4	bench test	—
Adapted from C. Smith, Imperial Oil Ltd.