February 17, 20233 yr Moderators However, whether it’s sooner or later, even that could change in some form.NASCAR took a big step in 2012, moving from engines with carburetion to electronic fuel injection. That was following a change in 2011 to the use of Sunoco Green E15 fuel, which is high octane and blended with 15 percent bioethanol.While NASCAR and its OEMs (original engine manufacturers) all appear to agree on a ...Keep readingView the full article
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