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Oil-Regular or Synthetic

15244 Views 48 Replies 30 Participants Last post by  fun2drive
I'm torn on whether to switch from using regular oil to synthetic. The one advantage I see is less trips in for an oil changes - 3750 miles (severe condition) to 7500 miles. Thoughts, please.
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I have used Mobil 1 since day 1. Believe I get better mileage. Average 27-28 mpg, can get upwards of 31-33 mpg on highway, depending on wind, AC, etc.
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