“As an enthusiat for many years i am aware of motor vehicle products, i also worked with AP Lockheed for a time, most classic V8 owners use VR1 although their viscosity varies, it has always been widely recommended among particular car groups, ours being TVR.”
“I always use VR1 in my old triumph stag as it gives noticably better oil pressure readings that cheaper oils. Best otion for classics that need 20-50”