|  No ethanol gas for more HP? | 
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|  No ethanol gas for more HP? | 
|  May 13 2019, 01:35 AM 
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| Experienced Member    Group: Advanced Members Posts: 1,019 Joined: 18-September 04 From: State College, PA Member No.: 462  | 
				It seems like no-ethanol gas gives more HP than let's say the E-15 that most gas pumps supply, from my quick searches. (difference of 3-4%?) But if I had my car tuned on "plain old pump gas" ie E-15 probably, will using no-ethanol gas cause issues? Assuming I use 91+ octane. 2001 LS1. | 
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