| Four-Ball Wear Test (ASTM D4172) 60 kg pressure @ 150°C, 1800 RPM, 1 hour As Tested February, 2002 |
|
| Oil Tested | Wear Scar |
| AMSOIL Series 2000 20W-50 (TRO) | .44 mm |
| Redline 20W-50 | .73 mm |
As you can see Redline 20w-50 motor oil leaves a wear scar 66% LARGER than AMSOIL Series 2000 20w-50 motor oil.
Which would you rather have protecting your expensive engine?