“Again often used for older cars this 20w-50 mineral oil is superb. Years ago a Chief Engineer of a well-known oil supplier told me Valvoline's base-oil was the best money could buy.”
“I have used VR1 in my TVR V8 following the previous owner's experimentation of oils, and have found it to work well. Specifically the mineral version (not the synthetic) for the older engine style, and actually a 30 year old engine.”
