I have always been a firm believer rightly or wrongly, that if you shell out extra "dough" you will buy better quality oil and, consequently, that engine under the bonnet should run just that much better. Thus, for three to four years now I have been buying and using Castrol Magnatec which is priced at about $34.00 for five litres. Bear in mind you can buy alternative quality for about $18.00 for five.
This brings me to the Holden Statesman that we bought in September of last year, showing...