Quote:
Originally Posted by kkingston57
Oil companies(particularly Mobile) love you. When I was working drove 30K miles a year and used synthetics($75 complete oil change cost) and went 7500-10,000 between changes. Never had a problem over 20 years.
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IMO Really can’t compare you situation to his. Your driving conditions was different for his. The articles explains that. Coking has more affect on short stop and go trips even with todays oils. You probably changed oil two or three time in year. Down road driving about 1/4 to 1/10 of demands on oil life unless you pulling load which creates more heat than short stop and go trips.