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(Solved, it is Non-issue) Hey all, I am very new to tuning, don't know a lot about it, and encountered something that seemed weird to me. Last night I was driving home and pulled off the road for a few minutes idling. When I got back on the highway I noticed that the knock control was around 80...

I have a few ethanol-free gas stations around my area and have noticed a slight increase in mpg while running e free gas (Pre Tune). Seems like some other people swear by it on the internet and say that it gives their car better gas mileage as well. I have not heard anyone claim anything about...