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Old 07-30-2014, 11:21 PM   #17 (permalink)
Cobb
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Join Date: May 2012
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With the later gen insights we notice a lost of mpg as you approach the year/10 thousand mile oil change. I usually change it at 20% or about 8 thousand miles. This is about the time I notice a drop in mpg and some random tapping, clicking, clackings that do not belong.
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