Very Interesting article.   
   For many years I drove junk oil burners and never changed the oil   
   because I regualrly had to add a Quart, I did do the filter though.   
   When I could afford a good car with conventional Oil I changed at the   
   7500 interval. I somewhat recently moved to using Penzoil Full Synthetic   
   and have bumped the change interval up to 10,000   
   ---   
    þ SLMR 2.1a þ Typo Tom Strkes Again   
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