Here is RL's take on it:
Sounds reasonable to me. We see engines like Toyotas, Subarus and Hondas show great wear on ANY oil, including low ZDDP oils. Some engines prefer more ZDDP depending on the type of design and metals used.quote:
Thank you for contacting Red Line Oil, ZDDP is still the best
antiwear additive, depending on the engine, it's design and
requirements a reduced level may still be sufficient, with other
engines even with a supplemental additives this will not be the case.
Regards, Dave
Red Line Oil