23-11-2023, 09:45 AM
As David says, as long as it's mineral oil intended for cars you shouldn't have any issues.
What you mustn't do is mix different basic oil types e.g. mineral with castor oil.
And if you're running an old-fashioned 'straight' oil, adding a modern detergent oil might cause problems (if you know the engine is spotlessly clean inside then there's no issue, but high detergent oils might dislodge bits of cack which have accumulated over the years).
Personally I use 20W50, as it gives much better oil circulation at start-up. If you're using a straight grade, warm the engine up carefully before attempting any heroics.
And finally remember - any oil is better than no oil!
What you mustn't do is mix different basic oil types e.g. mineral with castor oil.
And if you're running an old-fashioned 'straight' oil, adding a modern detergent oil might cause problems (if you know the engine is spotlessly clean inside then there's no issue, but high detergent oils might dislodge bits of cack which have accumulated over the years).
Personally I use 20W50, as it gives much better oil circulation at start-up. If you're using a straight grade, warm the engine up carefully before attempting any heroics.
And finally remember - any oil is better than no oil!