ILSAC GF-5 Performance Standards
Test Name Test Description Test Results
Test Name Test Description Test Results
Sequence IIIG
GM V6 engine, high temp/high speed, high load
Oil thickening, piston cleanliness, valve train wear
Sequence VG
Ford V8 engine, low-med temp/low-med speed
Sludge formation, piston cleanliness
Sequence IVA
Nissan I4 engine, low temp/low-med speed
Valve train wear
Sequence VIII
1-cyl test engine, high temp/med-high speed
Bearing corrosion protection, oil shear stability
Sequence VID
GM 3.6L V6 engine, multiple speeds / temps
Fuel economy versus reference oil
Sequence IIIGA
GM V6 engine, high temp/high speed, high load
Low temp flow (pumpability) at end of IIIG test
Sequence IIIGB
GM V6 engine, high temp/high speed, high load
Phosphorus retention (volatility) at end of IIIG test
Chemical Properties
Lab Test
Specific physical / chemical properties per viscosity grade (SAE J300)
Gelation Index
Lab Test
Low temp gel formation
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