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The link to full article pasted below. "Our Z needed more than the usual number of cooling passes and a few key-up restarts to keep it operating properly. As it turns out, this engine's 400-hp rating requires 93 octane, but 91 octane is the local brew in the Western U.S. This was also a pre-production sample, so its engine-control unit may not have had final production software. Nissan lent us another car to try in Michigan on 93 octane, and its 60-mph performance improved to 4.1 seconds on the way to a quarter-mile time of 12.6 seconds at 115 mph. Still, past 370Z results showed little difference between 91 and 93, so either this new turbocharged engine is more octane sensitive than the outgoing naturally aspirated one, or our California test car indeed had some pre-production teething issues. All we know for certain is we will follow up with Z production cars, once they're available." https://www.caranddriver.com/reviews/a39969206/2023-nissan-z-drive/
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