Wilson
FRF Addict
It is safe but will void your warranty if you put more than 20% in. maybe! if they can prove it was e-30 I've never had a problem with it in any engine.
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Wilson, you're probably going to disagree, but I have the best apparent performance and best measured fuel economy with non-ethanol, 100% gasoline fuel. I've proven the mileage claim to myself over and over, given the 40K on the clock, and I am dead certain of that claim.
Unfortunately the gas station where I've been buying my fuel has eliminated all ethanol-free fuel except premium grade priced 50 cents higher than what I used to pay for regular non-ethanol. So I went down the street and bought Chevron regular e-10 and realized a reduction in my fuel economy of 1.2 mpg. I'm going to have to find another source for reasonably priced non-ethanol regular.