Why e85?
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Why e85?
I'm curious... seen a lot of threads on here referencing running e85 in Zs... I know (or think I know) from a bit of research none came stock with that flex fuel option, so it means you're spending time and/or money converting the car to accept it.
In my experience in the past, with various rental cars and friends whose vehicles were flex fuel, even with a lower at the pump price, your mileage is worse, enough so that it is more $/gallon than running normal gas. Also, you're limited to a lower octane rating (85 vs. 91+).
I am absolutely certain there is something I don't know/understand which makes this a good choice for some. But everything I know about this corn based gas says it is worse than unleaded. So what's the deal?
In my experience in the past, with various rental cars and friends whose vehicles were flex fuel, even with a lower at the pump price, your mileage is worse, enough so that it is more $/gallon than running normal gas. Also, you're limited to a lower octane rating (85 vs. 91+).
I am absolutely certain there is something I don't know/understand which makes this a good choice for some. But everything I know about this corn based gas says it is worse than unleaded. So what's the deal?
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Look more into the octane part
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Hmm let me thing , more timing, more boost, more knock protection, more octane, cheaper then race gas. Only down side would be the closest station is 30miles from my house +$15 in tolls
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That would be where I was mistaken.
Here in Colorado, it is roughly $0.50 / gallon cheaper, and in my experiences, has always dropped MPG enough that it ended up costing more per mile... but then again, most performance enhancers do that. I did not realize the octane was that much higher.
So... what all is required to make such a switch?
Here in Colorado, it is roughly $0.50 / gallon cheaper, and in my experiences, has always dropped MPG enough that it ended up costing more per mile... but then again, most performance enhancers do that. I did not realize the octane was that much higher.
So... what all is required to make such a switch?
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That would be where I was mistaken.
Here in Colorado, it is roughly $0.50 / gallon cheaper, and in my experiences, has always dropped MPG enough that it ended up costing more per mile... but then again, most performance enhancers do that. I did not realize the octane was that much higher.
So... what all is required to make such a switch?
Here in Colorado, it is roughly $0.50 / gallon cheaper, and in my experiences, has always dropped MPG enough that it ended up costing more per mile... but then again, most performance enhancers do that. I did not realize the octane was that much higher.
So... what all is required to make such a switch?
In that case, Bigger Injectors, Fuel Pump, Fuel Rails, RFS, Haltech pro EFI With Flex Fuel Sensor or ProEFI with flex fuel sensor.
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The bold part pretty much sums it up. It's the Poor Mans race fuel. You get performance comparable to C16 fuel, at a much better price. And it's almost always easier to find.
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It does cost more on initial investment and more per mile but if it's a high compression NA or high boost vehicle it is well worth the cost. Running a high octane race gas would cost about 10-15$ per gallon and will not provide the cooling effects that alcohol (e85) would. It has double benefits. On top of that you can pump it from a station instead of buying drums to put in your car.
So really it's a matter of comparing 10$ a gallon race fuel to 3$ a gallon e85.
So really it's a matter of comparing 10$ a gallon race fuel to 3$ a gallon e85.
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