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Help Needed Reading Oil Analysis

OK That helps. Your viscosity is dead on for a 15W-40 and the ox and nit are numbers so they look good. TBN is falling - you maybe do a lot of city driving? How long (in months has the oil been in?) I would say keep driving on the oil, because the numbers look good, but don't be afraid to open the engine up on an open road! :)

Why are you using a 15W-40? (nothing wrong, but you can use a 10W-30)
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http://www.fidalgo.net/~brook4/oilslubesfilters.html






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New Help Needed Reading Oil Analysis [850]
posted by  ed850  on Thu Nov 28 15:48 CST 2002 >


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