When on the road full time buying a 20 litre drum is not practical, no room to carry it. So 10 litre plus 1litre. Cost of 10 litres of my favoured oil (Penrite semi Synthetic HPR 15w50) varies between $80 to $100 depending upon whether it's on 'special' at the time I need it. 1 litre bottles never go on 'special' & cost between $16 & $20. Once, just once a kindly salesman in a national auto store branch let me have the 1 litre at the same price per litre as the 10 litre drum I was also buying.Originally Posted by BrazilianY60
For the huge amount of oil or for leaving you with a opened half bottle?
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