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I had previously been running Mobil 1 0w40 in my 2000 Z28 Camaro LS1 with about 45,000 miles on the engine. It's a daily driver, mostly in town driving and I don't run it very hard. A few of the oil analysis' came back less that spectacular so I switched to PP 5w30. I've noticed while running...

My report: This sample was taken during a rather harsh winter, during which my block heater quit working. I'm assuming some of the higher wear metals are due to this. Enjoy! Edit: I'm working on trying to get the image up...