The charts come from here, it's an excellent tool that I've used for years The notes give some guidance on applicability. The charts are best used for comparing performance within one specification type e.g. comparing the different MB specs but are not necessarily 100% accurate across different specification types e.g comparing API specs with MB specs.
Relative Performance Comparison Tool for Passenger Car Specifications - Engine Oil Additives - The Lubrizol Corporation
Relative Performance Comparison Tool for Passenger Car Specifications - Engine Oil Additives - The Lubrizol Corporation
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