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whats the best engine oil
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<blockquote data-quote="Autochild" data-source="post: 103915" data-attributes="member: 2084"><p>It was mentioned someone used "so-called better quality oil" and then had problems.. this I think relates to the "So-Called better" variable, a point I have been trying to make.. it really is not easy to figure out which oil is better and then throw in the condition that one oil may be better suited for a certain application and another for another application... lets take the famous Q8 F1 10W50.. many people swear by it because it sounds smooth.. and this is correct and I believe it to be a good oil.. I have drained it after 15K Kms and it was still ticking.. but put this in a Highly tuned high revving Turbo 4 Clyinder engine and watch the main journal bearings melt away.. a)because it is the wrong viscosity b)because it is the wrong viscosity .. so in this case the quality of the oil didn't matter when it is used in the wrong application.. it's correct application is daily driver low and mid range RPM driven engines that call for a XW50 where a long drain interval is desired (such as your BMW 6 Cylinders and Older 4 Clyinder engines).. for a car (even a BMW) that is tuned, perhaps force inducted, High rev driven (manual cars on Track day) .. your going to need a lighter, better oil.. such as a 10/15W40 from <strong>[brands deleted]. </strong>Why these brands? because they are the ones that design their oil's for these applications, Q8 designs good oils for normal manufacturer stipulated applications. Price wise when comparing the best Q8 oil F1 and Royal Purple.. there is a whole RM10 difference in price for 4L .. but compared to the price of a bottom end rebuild one costs a whole lot more than the other.. Nasa and High Rev or Stallion and many big brand names (on their lower tier products) for example do not even design their oil's to meet most manufacturers stipulated specifications.. they design these exclusively on price. Others design their oil above all manufactures minimum requirements. Buyer Beware.</p><p></p><p></p><p>Peace,</p><p>Autochild</p></blockquote><p></p>
[QUOTE="Autochild, post: 103915, member: 2084"] It was mentioned someone used "so-called better quality oil" and then had problems.. this I think relates to the "So-Called better" variable, a point I have been trying to make.. it really is not easy to figure out which oil is better and then throw in the condition that one oil may be better suited for a certain application and another for another application... lets take the famous Q8 F1 10W50.. many people swear by it because it sounds smooth.. and this is correct and I believe it to be a good oil.. I have drained it after 15K Kms and it was still ticking.. but put this in a Highly tuned high revving Turbo 4 Clyinder engine and watch the main journal bearings melt away.. a)because it is the wrong viscosity b)because it is the wrong viscosity .. so in this case the quality of the oil didn't matter when it is used in the wrong application.. it's correct application is daily driver low and mid range RPM driven engines that call for a XW50 where a long drain interval is desired (such as your BMW 6 Cylinders and Older 4 Clyinder engines).. for a car (even a BMW) that is tuned, perhaps force inducted, High rev driven (manual cars on Track day) .. your going to need a lighter, better oil.. such as a 10/15W40 from [b][brands deleted]. [/b]Why these brands? because they are the ones that design their oil's for these applications, Q8 designs good oils for normal manufacturer stipulated applications. Price wise when comparing the best Q8 oil F1 and Royal Purple.. there is a whole RM10 difference in price for 4L .. but compared to the price of a bottom end rebuild one costs a whole lot more than the other.. Nasa and High Rev or Stallion and many big brand names (on their lower tier products) for example do not even design their oil's to meet most manufacturers stipulated specifications.. they design these exclusively on price. Others design their oil above all manufactures minimum requirements. Buyer Beware. Peace, Autochild [/QUOTE]
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