Historic vehicles may not be in such regular use during the winter months, or may even be in hibernation entirely and additional risks to the engine are found within impurities that have built up as a result of the combustion process, hanging about on the metal faces.
Used oil has suspended within it, lacquers, acids, condensation and other nasty bi-products of combustion that lead to corrosion. If an engine is in regular use, then these impurities are constantly being burnt off, but can pose a real issue during long-term periods of inactivity.
Handy Hint: If your vehicle is to be used less frequently or stored away completely for the winter period then change the oil before this hibernation period to ensure that a fresh oil is protecting your engine, free from impurities, throughout winter.
For more tips and advice from Duckhams oil visit our FAQ pages at www.duckhams-oils.com/faq or feel free to drop us a line via the contact page with any questions you may have.