Thread: Best fuel?
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Old 07-23-2010, 10:45 PM   #23
flightwatch
Scooby Specialist
 
Member#: 231058
Join Date: Nov 2009
Chapter/Region: South East
Location: St Petersburg, FL
Vehicle:
2013 Genesis Coupe
2.0T

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Quote:
Originally Posted by Subyroo2.5 View Post
Patrick, as much as it pains me to say this.....Your wrong.

The 06+ 2.5i's run like hammered dog crap on 87. They ping and thus pull timing on loads at certain RPM's. Switching to 91 this week I noticed an instant difference. This has also been logged by several people.

Also the IAM's are higher on our newer models while running higher octane.

I'm not talking about a ferrari vs honda difference but in layman's terms the car is happier on high octane
This is so true. Before I got tuned for 91, I would run 87. On 87, my engine sounded like there was a damn marching band drumline in there. 89 helped out quite a bit, but there is absolutely no ping whatsoever now that I am tuned.
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