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oilman ![]() Bavarian-Board Forum Sponsor ![]() ![]() Joined: 28-June-2004 Location: United Kingdom Status: Offline Points: 1053 |
![]() ![]() ![]() ![]() ![]() Posted: 24-May-2007 at 15:15 |
Costs of synthetics vary considerably. The most expensive are the “Ester” types originally only used in jet engines. These cost 6 to 10 times more than high quality mineral oils. The cheapest synthetics are not really synthetic at all, they are dug out of the ground and not manmade. These are in fact specially refined light viscosity mineral oils known as “hydrocracked” oils. “Hydrocracked” oils have some advantages over their equivalent mineral oils, particularly in lower viscosity motor oils such as 5w-30 and 5w-40 and they cost about 1.5 times more than good quality mineral fractions. This is the “synthetic” which is always used in cheap oils that are labelled “synthetic”. So, why are these special mineral oils called “synthetic”? Well, it all came about from a legal battle that took place in the Needless to say, the marketing executives wet their knickers with pure delight! They realised that this meant, and still does, that the critical buzz-word “synthetic” could be printed on a can of cheap oil provided that the contents included some “hydrocracked” mineral oil, at a cost of quite literally a few pence. So, the chemistry of “synthetics” is complex and so is the politics. The economics are very simple though. If you like the look of a smart well-marketed can with “synthetic” printed on it, fair enough, it will not cost you a lot; and now you know why this is the case, it’s really only a highly processed mineral oil. But, if you drive a high performance or modified car, and you intend to keep it for several years, and maybe do the odd “track day” or “1/4 mile”, then you need a genuine Ester/PAO (Poly Alpha Olefin) synthetic oil. These oils cost more money to buy, because they cost a lot more money to make. Very simply, you always get what you pay for, cheap oils contain cheap ingredients, what did you expect! |
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