+1 for cutting oil
Cutting oil is my favourite too.Rocol RTD
just buy a small bottle of castor oil and put it in your petrol in car everyone will think your running car on Castrol rFibreglass , i got under the "bonnet" of a speedboat that was in the workshop years ago to mess about with the steering i can still smell it now , wonderful
& + 1 for Castrol R just the thought of the smell of that makes me want to buy a scrambler