Just for a change of pace. Links to a test that says it is bad to change your oil
too often:
http://neptune.spacebears.com/cars/stories/mobil1.html
Quote:
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Engine wear actually decreases as oil ages. This has also been substantiated in testing conducted by Ford Motor Co. and ConocoPhillips, and reported in SAE Technical Paper 2003-01-3119. What this means is that compulsive oil changers are actually causing more engine wear than the people who let their engine's oil get some age on it.
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