E85 any thoughts on it?

[SRT8E85]

just wondering if anyone uses it on the 6.1

[viper3ez]

and y would you want to do that?

[Electrofreak]

Probably a very bad idea. These LX engines were not built for E85 use, and using E85 would probably cause all sorts of issues.

You can see my "thoughts" on E85 here.

EDIT - Oh, you're the same one that necro'd that old thread anyhow. I should've known. GG.

[richierevs]

I don't use E85 fuel but use E85-rated injectors from FAST. The injectors have a greater flow rate than comparable Bosch injectors. There were no issues with my custom CMR tune.

[GasGunR]

Why? Because it is 100 - 105 octane and a tune set up for it would make more power than one for 93 octane. Yes mileage would suffer...

Problem for us is, if tuned for e85, we can't run gas because we'd be too fat and have way too much timing. If tuned for gas, we couldn't run e85 because we'd be way too lean!

Diablo says the software is in our pcms for e85, but we don't have he sensor to determine. Flex Fuel US has a device though that fixes that and its EPA certified for 5.7 cars. http://flexfuelus.com/

[SRT8E85]

Thanks for the info, i was just wondering other people's thoughts on it cause i have no complants i've been useing it now for my 3rd year. yeah i know i should have said it right a way but i wanted to see what others thought before i said anything. so i'll appoligize now.

I have no knocking
No decrease in mileage unless i drop the hammer alot.

I just got it back from dodge, i twisted my driver side axel in half so as you can see there is no loss in power. the 5.7's dont like it though no matter how you tune it.

there are no complaints here, i recomand CORN for extra power at a cheap cost, i've made my $$$$ back on the savings with the price difference.
so to all the critics ask away with the ?????'s.

[Electrofreak]

I don't see how it's possible that you wouldn't have a decrease in mileage. Ethanol produces about 30% less actual energy when combusted than gasoline. It has a higher octane rating, but octane isn't what makes gas powerful. Octane is a combustion suppressant allowing the fuel to be compressed more before it ignites. In theory, the E38 could be compressed to a higher degree before combusting, but even so, the resulting "bang" will be 30% less powerful.

That's the extent of my knowledge; perhaps someone wiser than I can tackle this one.

[GasGunR]

Who tuned your car for e85?

What happens when you go somewhere and its not available?

Thanks for the info, i was just wondering other people's thoughts on it cause i have no complants i've been useing it now for my 3rd year. yeah i know i should have said it right a way but i wanted to see what others thought before i said anything. so i'll appoligize now.

I have no knocking
No decrease in mileage unless i drop the hammer alot.

I just got it back from dodge, i twisted my driver side axel in half so as you can see there is no loss in power. the 5.7's dont like it though no matter how you tune it.

there are no complaints here, i recomand CORN for extra power at a cheap cost, i've made my $$$$ back on the savings with the price difference.
so to all the critics ask away with the ?????'s.

[GasGunR]

It would only be 30% less powerful if you didn't add more fuel...

I don't see how it's possible that you wouldn't have a decrease in mileage. Ethanol produces about 30% less actual energy when combusted than gasoline. It has a higher octane rating, but octane isn't what makes gas powerful. Octane is a combustion suppressant allowing the fuel to be compressed more before it ignites. In theory, the E38 could be compressed to a higher degree before combusting, but even so, the resulting "bang" will be 30% less powerful.

That's the extent of my knowledge; perhaps someone wiser than I can tackle this one.

[crazy_luck]

You'll be replacing fuel tank and lines in a short time if you keep using it. It is more corrosive and our tanks and lines are not designed to handle it.

[Electrofreak]

It would only be 30% less powerful if you didn't add more fuel...

So wouldn't you have to run at a 30% higher RPM to compensate? This would mean 30% more fuel consumption, and thus, less less mpg.

Really though, that's for straight ethanol. E85 is more around 25% less energy than pure gasoline.

[GasGunR]

Roughly 30% more fuel at the same RPM.

Actually Flex Fuel US / Troy Trepanier / Rad Rides by Troy, told me that their fleet certifications get roughly the same mileage as regular gas...

He wasn't trying to sell me anything so, there might be something with the way they have the vehicles tuned compared to stock.

So wouldn't you have to run at a 30% higher RPM to compensate? This would mean 30% more fuel consumption, and thus, less less mpg.

Really though, that's for straight ethanol. E85 is more around 25% less energy than pure gasoline.

[jmr]

I use it in my 08 RAM with the 4.7L FlexFuel V8 and it runs better. It reduces the mileage by 2 MPG but cost 65 cents less per gallon so it works out well for me. It gains a 5% HP boost since the O2 sensors tell the computer to increase the injector window and advance the ignition timing. Its too bad the compression cannot increase too since E85 is 105 octane. This is a great option for turbo engines that can bump up the compression through increased boost.

According to Chrysler the HEMI's computer has the logic to support E85 they opted not to because of market demand. I'm don't think the fuel system has been modified to handle it though.

BTW Chrysler's next generation Pentastar V6's are going to be E85 compatible too.

[MuscleMan305]

I heard on a talk radio show the other day the gov. is considering increasing the ethanol content in all gasoline to 15% making E85 the standard, I already hate the fact that we are forced to use E90 and not given a choice.

[GasGunR]

Bs

you'll be replacing fuel tank and lines in a short time if you keep using it. It is more corrosive and our tanks and lines are not designed to handle it.