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Speakin of Earl. If you change oil frequently meaning every two to three thousand miles is synthetic worth the money. I know some who will run the synthetic oil for up to a year and change only the filters and top off the oil levels. I can't convince myself to do that so I throw all that expensive oil to the guys who burn it in there waist oil burners but I have wonder if much of this stuff is pure hype. I've never had an engine oil related failure in all my years of driving but I also wonder if anyone does. I know people that change their spouses more frequently then their oil. What's the science behind this. The manuals are showing longer and longer drain intervals. I am doing what my Dad did back in the day changing oil as often as every 2000 miles. Anyone know the real skinny on this. I think sometimes we just do what we're think is right and with little real evidence that it is either good or waistful. What say you in the know. I am not interested in hearing what each of you do more from the people with some scientific support for their postions. I mean I do what my Dad did because he did it and it worked for him but that is hardly science is it? John
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