No not really. But I burn through a tank every week or two tops. My previous truck I've never had issue with probably put 100k miles on the E30 tune.
You can get an ethanol gauge if your worried.
Well, loaded both the Livernois 87-93 performance and finally the E-30 tune a few days ago. With the 87-93 and 91 in the tank, I was kinda disappointed at first, Kinda expected more.
Anyways, I quickly finished that tank of 91 and threw in some E-35 loaded the E-30 tune. Bam huge smile on my...
That's great news. I know running E-30 was night and day difference than the 91 performance tune on my last truck. It was honestly a full second quicker in the quarter mile.