I know ford says up to e15 but has anyone run up to even e20 safely without getting tuned for it or getting an e30 tune. Running a stock tune or 91/93 e10 tune will always benefit from slash blending 1gal of e85 to make e15 but has anyone went as far as 2 gallons? The anti knock of ethanol is awesome
StealthRS17
So on the stock tune, e30 mixed with at least 91 octane. The rest of the car will be just fine, there isnt enough ethanol to mess anything up, or for the change of tune. You'll just be running the engine fat and happy which will cause more soot in the exhaust. Running a higher ethanol in any car is generally a ok idea especially in areas where the fuel might be old. E30 on 91 to 93and the base has about 93 to 97 octane rating.
You’re not going to many any extra power without a tune though. The cpu will still hit its pre determined targets
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