“I have used Duckhams Classic Q20w-50 in my classic MGs since 1965, and the fact that I am still using it in my 1955 MG TF 1500 is a testimony in itself, reliably maintaining oil pressure in all running temperatures is very reassuring!”
“Using the oil in my narrow boat engine which is over 50 years old is the best decision I've ever made. I'm confident that my engine is running in optimal condition. I won't be using any other oil.”
