11-10-2009, 01:21 PM
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#1 (permalink)
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Enthusiast Member
Join Date: Mar 2009
Location: Oakland, CA
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Quote:
Originally Posted by semtex
From a purely logical standpoint, the fact that there are metal shavings in the oil from the first oil change does not in itself disprove what he's saying. The oil that is drained during the first oil change is the original factory-fill oil, right? So those metal shavings could just as easily be from the first engine fire-up and test stand shakedown. I'm not saying I agree with what Kannibul is saying, mind you. I'm just pointing out that the logic isn't quite airtight here. It's not like the dealership changes the oil upon taking delivery of the vehicle, thereby draining out all the factory-fill (at least not that I'm aware of).
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Fair enough on the logic; I realized after I posted. However, cars usually burn oil for the first 1500-2500 miles. I have also seen cases where people did a drain after 100 miles another at 1500 and still got the majority of the shavings at the latter change. The point remains: no one (but Kannibul), has ever even tried to argue that 90% of break-in occurs on the test stand, except for RC plane engines. If anyone has any other evidence, I'd love to see it.
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