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Been looking at oil to go in a '94 reg Merc C220 with an M111.961 engine.
Millers optimum choice is Trident 5w40 full syn. and quotes a 5.5L fill.
Had a look on ebay for a 5+1L offer and there's Mannol Extreme 5w40 described as a hydro sythentic engine oil. I've researched this and its a 'hydocracked' oil where the base stock molecules are reconfigured to work better with the additive ingredients.
As best I understand, Hydro Sythentic oil is somewhere between full synthetic and semi-sythentic!
Never actually heard of Hydro Sythentic engine oil before.
Sounds like oil with a splash of water!
Millers optimum choice is Trident 5w40 full syn. and quotes a 5.5L fill.
Had a look on ebay for a 5+1L offer and there's Mannol Extreme 5w40 described as a hydro sythentic engine oil. I've researched this and its a 'hydocracked' oil where the base stock molecules are reconfigured to work better with the additive ingredients.
As best I understand, Hydro Sythentic oil is somewhere between full synthetic and semi-sythentic!
Never actually heard of Hydro Sythentic engine oil before.
Sounds like oil with a splash of water!