Thread: V6 on 87 octane
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Old 05-21-2013, 07:33 PM   #78
benji1997
 
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Drives: 2013 IOM 2LT/RS M6
Join Date: Mar 2013
Location: Dartmouth, Ma.
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I am skeptical about 93 doing anything for my 2LT. But this morning I took my 2 gallons left tank to Shell and filled it to the brim with their super duper 93. I will experiment with maybe three full tanks of the 93. So far, as of last night my dash gage read 20.4 mpg. I went on a 60 mile ride this afternoon (50 of which was I-195) and currently it is holding at 24.2. I will report back when I have gone through 3 full tanks. It's a good thing I can use my Stop and Shop rewards card at Shell. Incidentally I reset the mpg gage at the start of my trip today.
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