Which oil should I use in my vintage car or bike engine?
Vintage cars/bikes, ie. pre-WW2, had very primitive oil filtration systems and used non-detergent oils, such as our Millerol range. The Millerol range contains anti-wear and anti-corrosion additives, but does not contain detergents which can attack yellow metals. A lower viscosity oil would be needed in the winter, such as Millerol 30 and a higher viscosity in the summer, such as Millerol 40. The gearboxes also use the same type of oil, usually a higher viscosity than the engine, eg. Millerol 50.
The oil needs to be changed regularly due to the lack of detergent content.
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For other related useful info please refer to our FAQs Classic page.
