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MinnesotaNole's question on oil color got me thinking about this one: What's wrong with having clean synthetic in your motor at *all* times? By clean, we're talking "clean on your dipstick". Naturally, the oil will always look dirty when you drain it out, even after relatively short...

Have any of you seen this before? It's the Kublin Method over on the Paradise Garage site (Theory #5): Paradise Garage--Oil Change Theories At first glance, I liked this method a lot because: a) It’s simple—just find out the virgin TBN of the oil you are using and plug it into the formula...

I've recently switched to Redline 5W30 after running Mobil 1 5W30 in my turbo engine (WRX) for 15,000 miles,. The initial results were good—higher oil pressure, quicker turbo spool-up, a little raspier exhaust note. But after seeing some of the screwy UOA results for Redline—higher wear numbers...