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Showing results for tags 'unleaded'.
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Hey fellas. New to the site. Just picked up a new 2017 Sierra 4.3 Ecotec3 a few weeks ago. As you can see by the pic, I wasted no time in sprucing her up. I did a ton of research on this new V6 prior to buying, and decided to give it a try. Anyway...Ive read alot (mostly from GM sources) talking about the performance benefits with with using E85 in this particular engine. The numbers are impressive, but I remain skeptical. Everything I've ever been told about Ethanol in flex fuel motors, is "stay away". The long term damage on metal components just isnt worth it. But I'm being led to believe that is no longer an issue with this new V6? Open to any and all suggestions. Keep in mind, MPG is not a factor. My drive to work is 8 miles, and E85 here in Indy is a full $1 cheaper than unleaded per gallon.