United Melrose Park e85 ethanol rating

[crustycereal]

Hello everybody. I have no idea where to get a ethanol tester besides online and want to run a e30 mix in my bmw m2. In order for my calculator to work i need to know what ethanol rating the e85 pump is and this is my local station would anyone know or is it negligible to find specifically.

Thanks🙂

[Murray_Calavera]

32 minutes ago, crustycereal said:

besides online

You've never bought something online before? 

[crustycereal]

Lol, i have and you can buy them in adelaide more just curious if anyone has tested this one in particular 

[Watermouse]

30 minutes ago, crustycereal said:

I don’t mean this in any negative way. But, if u are after this type of data why don’t u have a flex fuel sensor?

[Kinkstaah]

United E85 is always 85% ethanol. At least it claims to be.

But that goes out of the window about thirty seconds after you put a tank of it into your car and can't do the math to determine if you have 76% ethanol, or 47% ethanol or 26% ethanol because you put 33L in, then 16L in, then a full tank of 98, then "Some" E85.

Ethanol tunes that aren't full flex or full E85 all the time are just absolutely a waste of time. Don't be stupid and ruin your car.

[crustycereal]

7 hours ago, Kinkstaah said:

United E85 is always 85% ethanol. At least it claims to be.

But that goes out of the window about thirty seconds after you put a tank of it into your car and can't do the math to determine if you have 76% ethanol, or 47% ethanol or 26% ethanol because you put 33L in, then 16L in, then a full tank of 98, then "Some" E85.

Ethanol tunes that aren't full flex or full E85 all the time are just absolutely a waste of time. Don't be stupid and ruin your car.

So your saying e30 is a wate of time? there's plenty of solid calculators out there that can give you the exact amount flex fuel just re adjusts the tune for you which you wont have to do if you just calculate it accurately. and the point of running e30 over e85 is to not ruin your fuel lines. 

[crustycereal]

8 hours ago, Watermouse said:

I don’t mean this in any negative way. But, if u are after this type of data why don’t u have a flex fuel sensor?

because the cheapest one is over 1k lol

[MBS206]

1 hour ago, crustycereal said:

So your saying e30 is a wate of time? there's plenty of solid calculators out there that can give you the exact amount flex fuel just re adjusts the tune for you which you wont have to do if you just calculate it accurately. and the point of running e30 over e85 is to not ruin your fuel lines. 

E30 and E85 will both be reacting with whatever they can. One just has a little less in it and will take a little longer for you to see the things it's reacting with.

Plenty of replacement stuff out there that's ethanol friendly, and then it won't matter what Ex blend you run once you do a full flex tune.

Also fill flex would still be beneficial to you, even for the minor % changes down at E30.

[GTSBoy]

And, you really want to be over 40% eth, probably 45-50, to realise almost all the benefits. E30 leaves a lot on the table.

[Murray_Calavera]

3 hours ago, crustycereal said:

because the cheapest one is over 1k lol

What ECU are you using? The flex sensors I'm used to working with normally cost around $300.

If you don't have a way of tuning the car, how do you plan to safely run e30?

[Kinkstaah]

It's not that E30 is bad. I recently did a track day and half of the reason I took ethanol is because when I ran out of jerries, 'some' ethanol is better than none for protection and stuff, even N/A.

The problem with E30 is attempting to maintain E30. It's an akward target to hit and the maths required make the whole thing near impossible very fast.

[joshuaho96]

2 hours ago, MBS206 said:

E30 and E85 will both be reacting with whatever they can. One just has a little less in it and will take a little longer for you to see the things it's reacting with.

Plenty of replacement stuff out there that's ethanol friendly, and then it won't matter what Ex blend you run once you do a full flex tune.

Also fill flex would still be beneficial to you, even for the minor % changes down at E30.

High ethanol concentrations all the time is bad for the fuel system. Not because ethanol has some inherent issue assuming you've done your fuel system setup correctly, but because PIB isn't soluble in ethanol and it contaminates the entire supply of fuel in practice. It is soluble in gasoline so you want to run a tank of normal pump gas every so often to flush all of that out before it causes an injector or something to clog.