50/50 E-85 and 92 octane
 

Can you run half and half e-85 and 92 in our dsm's with no damage or is this a dumb thing to be asking?

Re: 50/50 E-85 and 92 octane
 

If you tune for it, sure.

Re: 50/50 E-85 and 92 octane
 

Also E-85 is 85% ethanol and that can corrode you Fuel lines and stuff. Thats why the new flex fuel cars have SS fuel lines and other fuel components. But If you run a mix I shouldnt be as bad.

Re: 50/50 E-85 and 92 octane
 

My buddy has ran a full years worth of E-85 on his dsm. The car has no corrosion side effects yet.

Re: 50/50 E-85 and 92 octane
 

EvilEvo (Tim) is running E85 in his Evo. He was in the process of switching between the FMIC to a water to air intercooler, decided screw the intercooler all together and run methanol. Well we found some "issues" to running straight meth right away. Our biggest issue was the fuel rail needing to be annodized but we just found out the A-1000 isnt meth compatable. So he decided to run a intake pipe from the turbo to the intake manifold without any intercooler just to see how the car would run. Put some E85 in it and it pulls like a raped ape at 20psi. Seeing well over 250+ degree intake temps he still sees no knock. :D Besides the shit smelling weird coming out of the exhaust, its actually really cool. Amazing that you can go to the pump, pay $2.19 a gal and turn around and race the damn car on it. To add to that, if you had a FMIC, I wouldnt see why you couldnt run 30psi on the street with it. I think I'll have to try it to see how it works. 30psi on pumpgas... Mmmmm.

Re: 50/50 E-85 and 92 octane
 

I mix 50/50 in my Daily Driver Galant

Re: 50/50 E-85 and 92 octane
 

Filled the Talon up with 100% E85 this weekend. So far so good. It definitely helped with the knock.

I'm using a PLX 300 wideband with the narrow band output being fed into the ECU. Adjusted the global fuel with DSMLink and it ran fine. Well as fine as it can with 1600cc injectors which so far I haven't been able to get the O2's to cycle on. I'm running a supra fuel pump, stock fuel lines, and an OEM 1G fuel rail with Buschur AFPR. We'll see how they hold up. I may replace the fuel filter soon, but other then that I don't plan to upgrade any other parts.

Re: 50/50 E-85 and 92 octane
 

WTF?

Re: 50/50 E-85 and 92 octane
 

Savin me some money nog!

Re: 50/50 E-85 and 92 octane
 

I suppose it does, but I can't imagine this is helping your engine's life any. Also, with the falling gas prices I question whether it actually is saving you money once you factor in the lower MPG of the E85 compared to gasoline. If its working and you are happy then more power to you, but I wouldn't risk it. You are running 47.5% ethanol and your engine, components, and ECU was specifically designed for no more than 10%.

Re: 50/50 E-85 and 92 octane
 

Well let us know if or what it recks so we all know.

Re: 50/50 E-85 and 92 octane
 

You're probably wasting money.

According to this article: "According to the DOE, a driver would need 1.4 gallons of E85 to travel the same distance as one gallon of regular unleaded gasoline."
http://www.theautochannel.com/news/2...15/006792.html

And according to Car and Driver:
"Since flex-fuel vehicles will burn either fuel, here’s how to tell which is the better financial deal. Divide the gasoline price by 1.33. If E85 is priced above the result, don’t buy it. Example: If gasoline is $2.50 per gallon, don’t pay more than $1.88 for E85. Unless you especially enjoy going yellow."
http://www.caranddriver.com/features...ics-page6.html

Whenever I do the math E85 is more expensive, but let me know if you find a station whose E85 factors out to be cheaper then regular so I can start going there.

Re: 50/50 E-85 and 92 octane
 

Gas was like 2.59, and E85 was 2.10 out by my house. I've never compared milage. Someday I'll compare it and see the difference. I know many will say I'm wasting money, and going to destroy the car, but I tend to do my own thing when it comes to my cars.

I listen to what everyone says, but in the end I just decide for myself, and most of the time it's against popular opinion (ie: homemade everything on my talon to save money even though it took me forever to build, Maaco paint job, mixing E85, using an ebay fmic, run Mahle Pistons even though they have shorter skirts and people who've never used them say they aren't going to last as long, etc.)

Someday I'll measure my milage difference I see in my car and see what my real world results are, instead of calculating what it "should be" because some engineer out there decided that's the number that will perfectly calculate the difference in milage for every application.

Re: 50/50 E-85 and 92 octane
 

E85 gives bad gas mileage but is great for boost. I have tuned a few turbo cars running anywhere from a few gallons of E85 per tank all the way up to 100% E85. I retuned an Evo 9 the other day that didn't make the best power the first time he came in with non-oxy fuel due to it wanting to knock too easy. He put a fuel pump in it, put in normal 10% ethanol gas plus 2 or 3 gallons of E85 and we were able to up the boost a little, add timing and run it a tiny bit leaner. It made 300awhp on our Dyno Dynamics with just an exhaust, MBC and retuned ECU on the car. The 16Gs on those Evos are crazy compared to what we use on the DSMs and MIVEC is cool.

Re: 50/50 E-85 and 92 octane
 

Sounds like Jim to me. Good to hear he made 300. I know he'll be happy.

Re: 50/50 E-85 and 92 octane
 

No it wasn't Jim. With Jim's luck, his will only make 195awhp.

Re: 50/50 E-85 and 92 octane
 

Haha
I can't believe how many people are going for the corn juice these days!

Re: 50/50 E-85 and 92 octane
 

LMAO, poor Jim. That is a sad but a true statement.

Re: 50/50 E-85 and 92 octane
 

I hope it works good. That would be real nice to save a little money.

Re: 50/50 E-85 and 92 octane
 

Ya especially when you get done with a build and need to fix it withing 20 mins again.

Re: 50/50 E-85 and 92 octane
 

I had to laugh the other day, i know it's not the E-85's fault. But it made me wonder....

I put one gallon of E-85 into my tank thinking, i'd start with one and work my way up. Well, after i filled up i drove around for a good hour before going home. From there, i was heading down to the north St. Paul area from Saint Francis, aka, a fair drive from home. The car was a B!TCH to start and i got a check engine light for the remainder of the trip. Car ran funny and didn't like to idle, it was surging more then normal. I know it wouldn't be the E-85 at that low of a mixture, but it made me think.

Re: 50/50 E-85 and 92 octane
 

Who is currently running E85? SHOW yourselves!

Re: 50/50 E-85 and 92 octane
 

I'm using 100% E85 with 1600cc injectors and DSMLink. It's working great! Except I can't get the 1600cc to drive and idle as well as the 720's that were in there. I'm thinking of switching to something smaller. I just need to figure out how small I can go.

Re: 50/50 E-85 and 92 octane
 

What kind of IDC's are you getting with E85 and those 1600's? Did you get teflon O rings and such? If so, where did you find them and how much were they?

Re: 50/50 E-85 and 92 octane
 

50/50 mix for over a dozen tanks. i can tell a difference between regular 92 octane gas and 50/50 mix on the SMIC BIG time. Pulled like crazy, when it was normal gas i would heat soak and knock. Could feel the car pulling timing. After i threw a FMIC on the car and the car drives like a dream. No timing pulled, and even wanted to attempt the above mentioned idea on E-85. But with no fuel mods it'd be just asking for a blown motor.

Re: 50/50 E-85 and 92 octane
 

What is the best way to adjust the computer for the 50/50 or straight E85 mix? Do the people who are running this just have dsmlink?
I am guessing I can't just put half and half in my tank and expect it to run well.
However I thought one still needed fuel mods to run 50/50

Re: 50/50 E-85 and 92 octane
 

FIC has 1150's now, I am thinking they might work well. I will be making the switch to E85 this winter and those are what I am looking at right now. I might have to run a little higher fuel pressure though. We need something in the 1300cc area that idles decent.

Re: 50/50 E-85 and 92 octane
 

65% IDC at 41 lb/min. It's running way too rich though.

I'm using whatever O-rings come new on FIC injectors.

Re: 50/50 E-85 and 92 octane
 

Holy shit. So basically if you go E85 you pretty much have to get 1000cc's or 1600cc's huh. Are you still on stock lines, rail, etc? Thats on the stock turbo too isnt it?

Re: 50/50 E-85 and 92 octane
 

I have a supra fuel pump and 1G fuel rail (because the 2G rail dosesn't fit with a Buschur AFPR), the rest of the fuel system is stock. I have a 2.4L with a PTE 50 trim. You definitely wouldn't need 1600cc injectors for a stock turbo (1000cc is probably overkill). I went with them because some people reported having luck with them and DSMLink. I'm going to try find the largest injectors that DSMLink can idle as close to stock as possible (780's worked perfect but are too small for my needs with E85).

Re: 50/50 E-85 and 92 octane
 

Oh, and I also have an electronic fuel pressure gauge with warning lights and a fire extenguisher for safety. ;) Because even though from doing research I'm pretty confident I won't have issues with E85 eating parts, I'm prepared for the worst.

Re: 50/50 E-85 and 92 octane
 

Ok, thanks man. Thats funny because that is the same setup I am toying with... a 2.4 with a 50 trim and E85. Would the 1000's be able to support that 50 trim?

Re: 50/50 E-85 and 92 octane
 

I'm not sure. I think they're going to be pretty close to maxed out. I need to see how much I can lean the AF out, then calculate what size injectors I'll need off of that.

Re: 50/50 E-85 and 92 octane
 

What AFR are you running at? Do you think a 255 will be able to keep up running E85? How do you like the 2.4/50trim setup?

Re: 50/50 E-85 and 92 octane
 

You could try an injector driver box to run the 1600cc in true peak/hold mod. That might help smooth them out a bit.

Re: 50/50 E-85 and 92 octane
 

No comment on the evo... ;) It likes pump gas.

On the Talon I ran a 50/50 mix, it worked a lot better and cheaper than 110. I wouldn't get any knock at all flowing 54lbs per minute or around 26psi on the pte GT3561. I would knock on the 111 at bobby and steves or any power 110 fuel. I hope to have Shane tune it before the snow falls.

Chris I run the FIC 1600cc injectors and they idle great and part throttle excellent. Better than the pte 780cc injectors I ran before. I'm on the link. My o2s would cycle just fine.

Jim

Re: 50/50 E-85 and 92 octane
 

Jim, did you do anything to the fuel lines to prevent corrosion from the E85, or does thinning it out prevent that? The 50/50 mix sounds like it will be the way to go for me.

Re: 50/50 E-85 and 92 octane
 

I am using the stock fuel system, I have been running e85 since last year and so far so good. I planned on replacing the lines but honestly with the 50/50 mix I am not worried about the fuel system. I have gone over it twice since I started running e85 and will give it another once over before I sell the car.

Jim

Re: 50/50 E-85 and 92 octane
 

Ok cool, i will try the 50/50 tmrw. I have 650cc injectors i bought them oversized so i could try e85 on my E316g i have never gone over 65% duty cycle in wot so i think i'm safe.

Re: 50/50 E-85 and 92 octane
 

With 50/50 you will be fine. Do it up.