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i think it depends a lot on the tune too. my coworker who has a r35 gtr says he's done datalogs on all gas and shell 91 is crap. chevron 94 is the best of the worst so he pumps chevron 94 with e85 added to it.
and since e85 isn't readily available here in bc, have to go to marysville washington, does anyone use bioflame ethanol from canadian tire? ...
Last edited by FatalCloud; 07-02-2013 at 10:01 AM.
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