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SVTPerformance's Chain of Restaurants
The Greasy Spoon
Few questions about oil changes for my 03 Cobra
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<blockquote data-quote="Shreddingrubber" data-source="post: 12259730" data-attributes="member: 142341"><p>Agreed. </p><p> There is a study posted at bob is the oil guy referencing extended oil drains vs changing oil more often in relation to wear. Apparently zddp which is the primary anti-wear agent in motor oils,needs mileage to fully appreciate the anti wear capability. It shows that the compound created as the oil is circulated and the pressures the engine puts the oil through is what lowers wear. So,according to this study,oil that is halfway through it's lifespan protects better than new oil does,so extended drain capable oils will lessen wear as opposed to more frequent oil changes with new oil. </p><p> Another study shows that changing brands of oil will accelerate wear because oil builds up it's anti-wear layers on the moving parts. The chemistry of a different oil will strip the old layer then rebuild a new layer,so during that time wear metals spike,accelerating wear. </p><p> I know this all may sound absurd however I didn't do the studies,I just read them and if you really think about it it does make sense.</p></blockquote><p></p>
[QUOTE="Shreddingrubber, post: 12259730, member: 142341"] Agreed. There is a study posted at bob is the oil guy referencing extended oil drains vs changing oil more often in relation to wear. Apparently zddp which is the primary anti-wear agent in motor oils,needs mileage to fully appreciate the anti wear capability. It shows that the compound created as the oil is circulated and the pressures the engine puts the oil through is what lowers wear. So,according to this study,oil that is halfway through it's lifespan protects better than new oil does,so extended drain capable oils will lessen wear as opposed to more frequent oil changes with new oil. Another study shows that changing brands of oil will accelerate wear because oil builds up it's anti-wear layers on the moving parts. The chemistry of a different oil will strip the old layer then rebuild a new layer,so during that time wear metals spike,accelerating wear. I know this all may sound absurd however I didn't do the studies,I just read them and if you really think about it it does make sense. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Greasy Spoon
Few questions about oil changes for my 03 Cobra
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