Thermodynamics Neutral Newbie February 29, 2008 Share February 29, 2008 Hi all If my mileage is 10k a year, is it better for me to stick to dino oil like Chevron Supreme and maintain an OCI of 5k every 6 months? My car servicing is every 6 months or 10k whichever comes first and my mileage suggests that using synthetic is quite wasteful. I have heard good reviews about Chevron Supreme. However there is so much hype about synthetics being better for the engine. Is it true? Is not synthetics just suppose to last longer than dino? I would greatly appreciate your comments and advice. Thanks in advance. ↡ Advertisement Link to post Share on other sites More sharing options...
Genie47 1st Gear February 29, 2008 Share February 29, 2008 Dino is nice but if you use syn, you can go for one whole year for that kind of mileage. But yes, it is still wasteful. Chevron Supreme is good stuff. Link to post Share on other sites More sharing options...
Thermodynamics Neutral Newbie February 29, 2008 Author Share February 29, 2008 (edited) I would prefer a shorter OCI and change oil more frequently but that would mean I pay for cheaper oil but spend more on labour and filter every servicing. Correct or not? Driving with the same oil in my engine for a whole year sounds quite scary. I have many start stop short journeys and would not this classify as severe usage? How can dino oil be detrimental to my engine in any way? Edited February 29, 2008 by Thermodynamics Link to post Share on other sites More sharing options...
Genie47 1st Gear February 29, 2008 Share February 29, 2008 Short journeys are classified as severe usage. It is up to you but I doubt dino oil is detrimental. Link to post Share on other sites More sharing options...
Thermodynamics Neutral Newbie February 29, 2008 Author Share February 29, 2008 Genie, is it true dino oil lacquers our engine's interior? Would it be more dirty than synthetic? Link to post Share on other sites More sharing options...
Sabian Turbocharged February 29, 2008 Share February 29, 2008 (edited) i am a happy dino oil user 3000km per 6 mth oil change on citgo 10w-30. Will be moving on to Chev Sup once my CITGO runs out. Edited February 29, 2008 by Sabian Link to post Share on other sites More sharing options...
Trex101 3rd Gear February 29, 2008 Share February 29, 2008 (edited) There's some truth to it as mineral oil normally have more volatile base stock thus higher NOACK % level. These light base oil will vaporise quicker under high heat condition thus leaving a light coat of varnish. Edited February 29, 2008 by Trex101 Link to post Share on other sites More sharing options...
Thermodynamics Neutral Newbie February 29, 2008 Author Share February 29, 2008 May I know what kind of repercussions to the engine will we experience from lacquering? Link to post Share on other sites More sharing options...
Trex101 3rd Gear February 29, 2008 Share February 29, 2008 No sure myself but efficiency may suffer if the varnish is too thick. ↡ Advertisement Link to post Share on other sites More sharing options...
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