Once you use synthetic oil can you go back to regular oil

2008 MAZDA 3
100,000 MILES
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TRACYEJ65
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Will I always have to have synthetic oil change in my car
May 25, 2012 at 7:49 PM
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FIXITMR
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NO ,you go back.
May 25, 2012 at 8:34 PM
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DJCL
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years ago thay said not to switch back. the newer oils of to day you can switch back
May 25, 2012 at 8:44 PM
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CADIEMAN
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i agree
May 25, 2012 at 9:22 PM