That should be closer to 40-45 assuming a moderate mix (50/50) and 45-65 mph.

I have a local E85 pump. A few of them. Based on this. And that my friend runs E85 through his evo and loves it. I would love to get in on it. MAX 50/50 though after reading this. Which tuner would you recommend for 50/50 Ethanol. i need a full tune done anyway and since E85 is so available it would seem right. E50* and 93.

You can drop to 87 when you're running mixes. The E85 more than makes up for it. But many people use Freek tuning or Rich tuning

Next pay check I think I'll give Rich Tune a shout. Thanks for the help my friend

Finishing up my e25 mix base map. I used the mix sheets to get my fsg and scalar numbers. The class 2 and 3 blend numbers are close the scalar is the same and ATR rounds the FSG to the same so I should be fine using both blends? Also lowered boost (17.5) and timing a lot because I am gonna take it little slow. AFR is 11.4 to keep it safe. Anything look wrong with this timing besides being low numbers to start with?

Another question is I am in college so I don't drive that often and my car sits a decent amount. I was planning on do a small fillup 1gallon e85 1 gallon 93 if being on the empty light means 2 gallon left. I did pickup the marine stabilizer though. So has anyone used the sta-bil marine stuff and had sucess or what should I do?

That mid range timing isn't really in line with the top end timing. It's WAY aggressive compared to the top end. Quite a bit for a base map.

If the table I posted doesn't look good im just use a ots timing to start with not an expert at atr yet but I think I know enough to try out e85. I haven't had to much experience with changing timing so I will just use that table and do the small increases instead of trying to make my own base.

Closest station for me is about 40 minutes away. So what I do is whenever possible head there on a weekend when I'm able and bring 3 5 gallon containers with me. I put in an ounce or so of the stabil ethanol treatment in each container and fill each one with 4 gallons. Stuff works great, I've had them sit for as long as 2 months and never had any problems.

Thanks for the info. How do you determine how many gallons are in the tank when the e light comes on? It seems like most people just put less fuel to make sure there mix is correct and not go for a full tank?

Exactly right, put in the largest mixture that you think will fit. I do 4 gal of e and 8 of pump when I get just under a quarter tank and that's completely full

I take mine down until the gauge reads empty and I can usually fit right at 14 gallons which for me means a 5/9 mix. Your car may be different so keep a spare can of 93 in the trunk until you figure it out.

I will probably fill up with a decent amount less than what would be a full tank then when I figure out what my empty light reads add more. But I still need to decide if I am going to try and tune this or get an e tune. I have been learning a lot last couple months but e85 seems little tougher for me.

Best way is to take it all the way down to empty. Fill it to the top with 93 and see what it takes.

Yeah im going to do that soon. Takes me awhile to kill a tank in college I will have to look around for some good driving roads around here to go through my next tank.

Take it down to a quarter tank, refill like normal then use that number for your overall fill rate; leave any additional remainder off just to be safe though.

I drive way to much for that.

Yeah in the summer that wouldn't be ideal for me but at school not so much of a problem

Might be different for others, but when my light comes on I put about another 10-15 miles on the car and then head to the gas station. 8 gallons of 93 and I top it off with the 4 gallons of E85, has never been a problem.

I though you put the e85 first but if you know your own tank I guess it doesn't matter.

Remember that the Pu has a 16 gallon tank and the Juan is only 14.5 gallons, so how much you add at what gauge level depends on your MY.

Yeah I was going off my 14.5 tank. I filled up today but just went with the dummy proof way of adding 5 gallons of e and rest of tank 93 giving me the 31% mix with the season blend being e70. Afr's seemed good but its raining here so I am gonna get some logs tomorrow. I do have a noob question though I was trying to get a log got some wheelspin and when I looked at the log there was high KR spike after I left of the gas. Im guessing this is nothing but maybe there is something to be changed?

Here is the an Idle log, the wheelspin KR after I let of that I was talking about above, and the best 4th gear log I could get tonight. I am not sure if the e has mixed well already if I filled up with a quarter tank?

It mixes immediately, if not within a minute or two. It will only separate if you have a ton of water in your tank too.

Thanks for the peace of mind. If you don't mind do you see anything out of order in my initial logs I just posted.

There's two things wrong with that post.

1. You've posted logs to this thread, which is a how-to for E85.
2. There's no APP being logged.

Fix the logs, then post a new diagnostic thread with those logs please.

Oops, you're right. It's been a while since I've had any E. I'll be getting some on Saturday, so excited.

the most accurate way to fill for me is a gallon per gallons. so right now I put 1 gallon of e per 5 of gas. so 1.2 e for 6 91... ie ie. if i want more corn i could move to 1 per 3 and so on and so on. no relying on inaccurate gauges and what not

Meh I just guess based on how long my range meter has read 0.

I know prolly not the best way but I couldnt take calculating shit out all the time.

Usually 3.3 gallons of E when empty then fill the tank till the pump stops 10.5ish gallons of 91

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Run a 50/50 mix. Makes it easier less planning involved for filling up and all you have to do is make sure you don't overfill.

Right now I do e31 ish which comes out to 1:2 ratio of e85:91 due to spring/fall blending. I might loosen that mix up a bit depending, though, to get more fuel headroom.

Why not 50/50? mpg?

I'm big turbo now. I ran out of spray window at 15 PSI. At 20 PSI, I'm at/near the limit again on E30-31.

Oh nice I guess thats a good problem to have to bad though our fuel system has small aftermarket support.

@couldahadadodge enjoy. It

Tapa Tapa Tapa

Can someone help me out? I don't know anything about doing MAF calibrations. I just bought an accessport v3 and the guy I bought it from had an e85 tune on his 2010/11 mazdaspeed 3. can I use his map for the e85 in my 07 mazdaspeed 3?? trying to save some money on a tune.

I wouldn't. Timing could be way off. Among other thangsss

Tapa Tapa Tapa

http://www.mazdaspeedforums.org/foru...torial-125204/ Check that out...

Make sure there is no more e85 in the tank, flash to an OTS map until you get linked in a with a tuner.

OTS - http://www.mazdaspeedforums.org/foru...ronyms-125201/

Then read through the rest of the KB threads...

Mazdaspeed Forums Knowledge Base (Gen1 - Gen 2) - Mazdaspeed Forums

Hit up these fellas for a tune... you won't be disappointed.

@Justin@Freektune; @Rob@Freektune;

Quick question. Looking to start a 50/50 blend and I got my scalar/gravity values ready on a map. My e85 station is 1 maybe 2 miles from my shell 93 station. I'm at 25% of a tank of 93, can I safely/reasonably get my 8 gallons of e85 then drive the short distance to the 93 and finish filling up without any major problems or risks or do I need to buy a 2nd 5 gallon gas can?

You'll be fine.

Alright, so I have done a bunch of reading throughout this thread and others that are on the topic of E85. I am looking at running E85 on my 08.5 (freektune e-tune). I will list my mods below. But onto my questions... 1) is the only hardware upgrade I need to go with is new plugs properly gapped? 2) My car has under 19k miles, should I bother going through the fuel cleaning process? 3) Anything crazy that I may have not seen that would tell me to NOT E85?

-Performance mods.
Autotech HPFP Internals
AEM CAI
COBB DP
COBB CBE
COBB TIH
COBB BPV
COBB APv3 Currently running a Cobb SoCal custom Dyno Tune that was done by previous owner
cp-e FMIC w/ 2.5inch piping

How to e85
 

.

LMAOOO I will keep pumping 93 till its diluted:You_Rock_Emoticon: for my options hahaha

Okay, so I have a few questions...

I am looking at going to a Stratified E85 tune (with a 93 tune as backup) and an AP for my setup. The issue I have is that I really do daily drive my car. How do you guys keep the mixtures correct in daily driving or a trip? Do you just switch to a 93 tune on a trip? Do you just let it run almost empty for daily driving and mix it like that each time or do you have any tricks to keep the mixture correct without running it near empty each time?

Thanks.

I have a Stratified E85 tune and I love it. I just go off of this cheat sheat from Hypnotic. Attachment 221623

Anybody running full E85 or a 50/50 mix tune these days without any issues ??? What's more reliable for our cars full E85 or 50/50 ??? What needs to be done (besides the tune) to run ful E85l or 50/50 ? Thanks guys.

50/50 shouldn't give you any problems. E85 is still giving people issues.

Both of you need to read more.

Last I read somebody's unicorn internals was making contact with some part it shouldn't be.

I don't recall anything like that, but the IE internals failed for a completely different reason. Myself, and many others have been running full E85 without issue for upwards of a year or more.

Great... What did you do to fix the E85 issue we had with our cars?

How long do you guys wait between fill-ups in order to get the proper mix? I have only one E85 station locally so I do not feel comfortable letting it run near empty before filling. I guess my issue is how to do this all to keep the proper mixture in a daily driving situation? Or do you guys just keep the E85 for fun and run a pure 93 tune most of the time?

The mixture doesn't have to be exact. Just give it your best guess and use your fuel trims to make sure your mix is in the ballpark of where it needs to be, then add more E85 as needed, or if you overshoot on E85, just keep an eye on your WOT AFR's and as long as they're OK, just roll with it. Many of us switch back and forth between straight gas and mixes all the time since straight gas is better for commuting (fuel economy is way better).

At 1/4 tank I add 3gal E85 + 6gal 93.

Or 4 + 8 if I go below empty.


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It took me about 2-3 hours of reading to get 100% up to speed with zero e85 knowledge, but it's all in the stickys, just do some reading and follow some of the quoted threads. The guys here did all the research and literally risked their health to get the info. All you need is in the stickys at the top.

Hey all I know this is an old post but I have one question. I have a tune from pd tuning. If I wanted to do a e30 mix what would I have to change in order to run it. My maf Cal is dialed in perfect according to my stft. Thanks in advance. If I am in the wrong post for this please let me know where to go. Again thanks and sorry for being a new.:feedback:

Call PD tuning since your tune is probably locked by them.