Is it best to use synthetic engine oil in older engines?

There’s considerable debate around whether synthetic engine oil in older engines has any benefit, and indeed whether the lube may in fact cause damage to older engines.

Ask any classic or vintage engine enthusiast and you're sure to find a debate on whether synthetic or regular engine oil is better for older cars. Some believe there's no sense in changing what works, and mineral based oil has always performed well: Others argue that synthetic oil has better oxidation properties and is more stable across a wide