RW> TW> I rembember when Mobile 1 first came out some got the idea that you   
   RW> TW> could either run far more miles on an oil change or eliminate them   
   RW> TW> all together.   
      
   RW>Most people went with the recommended extended oil change of 5000 miles   
   RW>back then. That's not much of a difference from the normal 3000 mile oil   
   RW>change when using standard oil.   
      
   RW> TW> Teh latter iot totally FALSE. IT wshound be changed. Now depending on   
   RW> TW> the engine service, light/normal/heavy, you can push out the changes   
   RW> TW> some   
      
   RW>Most synthetic oil change intervals are recommended for around 7000 miles   
   RW>today. I use Mobil One in all of my vehicles and change the filter at 3500   
   RW>miles, then the oil at 7000.   
      
   RW> TW> Opinions vary so perhasps some others here can toss theirs into the   
   RW> TW> mix.e   
      
   RW>Yeup. I know people who don't change their synthetic oil at all, others   
   RW>who change it just like it was 3000 mile oil.   
      
      
   I see where Mible 1 now has an Extended Range version and they are   
   advertizing up to 15,000 miles(Very Light duty service I am   
   sure) between changes, OR a maximum of ONE year between oil changes.   
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