A Complete Guide to E85 / Flex Fuel
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- เผยแพร่เมื่อ 4 มิ.ย. 2024
- E85 Fuel is something that everyone has heard makes more power. In this video we dyno test E85 fuel and compare it to 93 octane premium fuel. We also test for ethanol content of fuel from 3 different gas stations and compare it to racing E85 purchased from a race supply store.
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Integrated Engineering Stage 2 Flex Tune for MK7 GTI (IS20)
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Integrated Engineering Stage 2 Flex Tune for MK7 GTI (IS38)
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The injector seals on these cars are junk, it can't hold up to standard fuel, what makes you think those tip seals will hold up to e85? You know better. the mk7.5 r already has 5 updates to the injectors... give me a break bud.
i love E85 videos. I'll be watching the entire thing and also granting a Like.
I lose an average of 11 MPG on my flex fuel van when running E-85 compared to plain 87 octane gasoline.
This was, by far, the most informative video of E-85 I’ve seen to date.
Thanks. That was the goal!
Are E85/ flex fuel better then 93 in the long run on your engine?
Your channel is a big reason why I bought my first VW. Picked up my mk7 Golf R 2 weeks ago and feel confident in doing maintenance myself, with the help of your videos. Thanks from Australia.
Is it safe to fill a non tuned car with ethanol patrol blend ?
Same, am also in Oz too, with mk7 golf R (stage 2)
@@amirreza1926 a gallon or so is okay. If you aren’t tuned, anymore than that and you will only see degraded fuel mileage and no performance gain
Stay free!
Stay free!
I don't even own a VW, but this is one of my favorite youtube channels. Just so entertaining.
You should consider buying a VW and joining the community! Think about it👍
@@markymarc136 after watching some of the videos here I have thought about it, but my mr2 keeps me poor enough hahah
@@Shiver2002 Good point!
@@Shiver2002 sell the MR2 and profit
@@HardwayLearning with the way they are skyrocketing in value, I want to hold onto it. Plus, it's an absolute riot around the track.
Glad to see this 2.0t survive the dyno
Happy thanksgiving Paul and DAP crew!
Hell of a good video. Best explanation of E85/Flex Fuel complications I've yet seen on TH-cam.
Your videos are funny and informative I really appreciate all your efforts to help us VW/Audi guys
This was super informative. I’ve always been a bit leary of E85 but thought it did a good job of laying out the pros and cons.
this video came out at a perfect time, i googled and watched yt videos for 8 hours yesterday
I put an E85 tuner on my 97 BMW R1100 a few weeks ago and it has been working pretty well so far.
Lol I didn't expect the larping joke. Excellent content! I sold my GTI but won't let my DAP subscription go.
Thank you, this is a great video. I knew a little about E85 but this video is really good. This might be something I plan on in the future for my 3.6 Corrado.
Thx so much for a great video packed full of great info! Your GTI is looking sweet!!
Happy thanksgiving Paul. Nice video👏👏
Thank you Paul and a Happy Thanksgiving! Your jokes crack me up every time! You and Charles are the Best VW techs on the East and I’m sure we all appreciate you guys for sharing all your hard work and information with us. Again Thank you and Happy Holidays!
Happy to see you guys embracing IE.
Paul is a man of the people. Uni dealer, he’s in the EQT Facebook group, IE car for content
In Brazil we have Flex Fuel TSI models and they shows lots of high pressure pump and injectors problems with long term ethanol use.
But our ethanol(E100) is hydrated and has 5% water in its composition, and because we do not have inspections at the stations, this percentage is often higher, causing several long-term problems. There are many e85 stage 2 cars here in Brazil, and I've never seen any of them having the same problems as cars that use e100
Maybe the most info packed and well presented Dummies version of this info I've seen?
Really good info, Being from NY I never wanted to do E85 in my Z as it sits and i have heard a lot of people having issues with starting and it gelling up when it gets really cold.
Not sure which is of greater value: The comedy and puns or the education in your videos.
Brilliant video Paul!
thanks for putting in the work on this video. this is a lot of info that some tuner bros will ignore and blow up their cars
Super informative video man! Been watching you for years and recently moved to charlotte and realized thats where you’re located as well 😂 might be stopping by for that flex fuel kit soon 💯
That answered all of my questions, thank you!
Happy Thanksgiving Shop Dap.
Got a Kroger near me and like all Kroger's they're notorious for always having spot on ethanol content, almost always 85% and sometimes even higher. Biggest benefit to running E in a boosted application is how much more torque you make down low due to the inherit resistance to knock and the more aggressive timing you can put in it, giving you way quicker and aggressive spool that carries all the way through to the limiter. Filling up 2 5 gallon jugs at the pump to take to the track is extremely convenient, too. Once your car is dialed on E you'll never want to pump standard gas again unless it's you're daily.
good tip about Krogers
Paul you got the best VW enthusiast channel hands down. (Charles’ is pretty good too I guess lol)
I had a full e85 mk7.5 gti with a cobb protune and it was a serious monster.
I recognize that dyno! lol..i'm from Winston. Cool vid btw, very very informative! I love at 2door mk7 gti, Happy Turkey Day Paul!
Again, best content in the whole carssection.
So Volkswagen FSI only needs the high pressure pump? Running a 3.6 here.
2.0t is20 and is38 only need HPFP.
Great job guys!
Love the content...from Wisconsin! Was that Charles I saw?
when you ran the dyno pull on the 93 tune did the car have some kind of ethanol sensor at all? and if i know my stock fuel system can handle about 7-9 pounds of boost, do you think it can handle running e 85 with no fuel system upgrades?
great video!
I've been using that Lucas 3X Octane Boost + 91 non-ethanol his past summer in my old Mustang... and she likes it!
I'm running a lot more timing with no problems.
You can run a 93 tune using the Lucas booster and 91 octane. The Lucas is good for about a 3 pt increase, using the whole 15oz bottle. Works well when all you can get is 91!
Amazing work!
Really enjoyed that video
Very, very rich information. Thank you
Great info... I'm full apr2 stock turbo gti... Been wondering if I could use a small % of e85 for spirited driving days.....
Totally want a tshirt! Prolly won’t make the switch to E85 anytime soon, but that is a cool shirt.
This video is very high quality
Lol @ Mr. Lahey falling down the stairs. RIP Jim Dunsworth. Always a pleasure to see a DAP vidja Paul!!! Nice dyno comparison too. You could've jumped the in tank pump and got rid of almost all the 93 into some buckets before pouring the race ethanol into the tank but whatevs... This vid cuts thru the BS and 'splains the pros and cons of running your car on corn, period. Thanks for the laughs as always dude!!👍🤙😎
Great video. Great explanation. Cheers!
Glad you enjoyed it!
Great info and great video. I don't have e85 or even 93 octane where I live in eastern Canada, 91 at best. Because of this, when I was having my Subaru built I had them install an AEM Methanol/water injection system in it. The way it is set up, my tuner told me it tunes similar to 110 octane racing fuel. I'm running 35 psi with a Garrett GTX3582r gen II on my closed deck ej25 making 619 all-wheel hp. The methanol injection comes on at 10 psi and tapers up to full flow at 25 psi of boost. No idea what size jet they have in it.
As someone with a big turbo Mk7 Golf R (EFR7163) on a custom UM Flex Fuel tune: worth every penny. Smiles per gallon > miles per gallon.
Awesome video!!
Holy crap! That's a big boost in power. I noticed Unitronic has some higher ethanol tunes. Too bad it absorbs water so fast though. I was thinking about the clutch prob too as even a stage 2 tune will stress it a bit. Good details and great info, thanks!
Love the video!
Very informative…thank you 👍
Hey brother, thank you so much for the video! It was very informative! I have an 01' Trans Am WS6. I was thinking of going flex fuel. Would my fuel lines be at risk of deteriorating?? If so, what fuel line would I need to get to make it work for my application?? Raleigh NC THANK YOU
I've been running an E30 blend about 2 to 3 gallons with the rest 93 octane at fill up for over a year now with success. Mk7 GTI full bolt on GIAC stage 2 tune stock fuel pumps..
Is your stage 2 tuned for 93 or e30?
@@Kevin117 I have a GIAC stage 2 93 octane tune. With GIAC 93 tunes you can safely run no more than 3 gallons E30 when filling up my tank..
Reflect tuning in Winston Salem NC, best tuner in NC for foreign cars💯🤝
Love the part where you mentioned 'larping as a technician' and showed the clip from the Mastodon video in the background...lol
thank you great info
I need to know where those stations are around Charlotte. Having my Focus RS dyno tuned for E85 next week.
On a stock Audi RS3 for example, adding 1-1.5 gallons of E85 to a full tank of 93 octane absolutely adds some pep and you minimize any issues by only running an E20 blend per se.
👍💯
My first Evo 9 making 768 awhp had a 2.3 striker, 2200cc ID injectors, 3 fuel pumps, and ran e85. I had to have the tank full, and kept 10 gallons in the back seat. All of that I might have got about 180-200 miles. But it was very hard to stay out of boost ;)
Better than my stock Evo X GSR. The stock X i had went about 160 miles out of a tank of gas. My Evo 9 MR which to date was my favorite car i ever owned (had the privilege of owning 4 evo's since 2003) my MR i kept conservative mods only photons and a good tune running 91 pump I made 360awhp with WMI 400. Drove it like that from the 2nd week i bought it (new i. 2006) until i sold it 5 yrs later. ZERO issues. Drove it daily had my kids in it, track days unfortunately i got divorced and needed money so i had to sell it. If you were getting that kind of mileage on E85 with that kind of power that is VERY GOOD. Best tank miles i got out of my 9 was about 220 on a tank making half that power you had and i was on pump 91.
Lies
@@wedrivebynight how?
To run e85 on the MK7 all you need is the hpfp if you are using the stock is20 turbo when you switch to the is38 to run e85 you’ll need both hpfp and lpfp or mpi and lpfp. The hpfp upgrade only without lpfp on the is38 can run up to e50 blend which will max out fueling. MPI is the way to go if you’re going is38 or bigger turbo.
Richard Holdener has been seeing really good results dynoing with E85, both American V8's and Hondas. Should also check out the Malakas Motorsports guys, they're running VR6's on E85 (with gigantic injectors and 30psi boost)
Would a ECU tune be necessary to use E15? You mentioned in your video that "early" model years may not be able to handle ethanol but I put E10 in my 2002 Mustang GT ever since I bought it in 2002 and haven't had any fuel line issues. But I do have plans to upgrade the fuel pump, injectors, and fuel line in preparation to install a supercharger.
I wonder how many stopped watching at 2:50 and just went and put e85 in their car. lol Nice work on this one.
Was looking for this right after Paul made the comment 😂
I live in green bay Wisconsin and when he said Wisconsin I was definitely caught off guard 😂 definitely cold and snowy here though
thanks for the info got to question hopefully you can help I have a 95 Toyota Tercel and a 95 Nissan pickup for work
can I use a mixture of e85 and regular gas
and if so what do you recommend the percentage
thanks
Im thinking about doing e85 on my Volvo and I also live in North Carolina (Durham area). Im worried about the inconsistency, as I would be getting tuned for it without a flex fuel sensor. I have a Sheetz right next to my house that has a flex fuel button, but the only one even close by for an "e-85" button is like 15 minutes away. When you did went to the multiple Sheetz, were those a flex fuel button, or e85 ?
I always loved how GTI's produce far more torque to power ratio and makes it feel so much powerful than what it is
That doesn’t make sense and they don’t make more torque to power than many other cars. It’s fast because it’s a 3 thousand pound car
No fuel system upgrades needed on 5.0s luckily! Runs so much better on E85
The term flex fuel should only be applied if the car has a content sensor and can run whatever base petrol fuel you want and everything in between full e85, including full e85. without switching maps. Very few offerings are reliable in that setup for VW's on a stock ECU.
Also, you can have your car tuned(I do this for my customers) for cruising on any fuel type and get better MPG's if the tuner is knowledgeable, experienced, competent and detail savvy.
can you run a e85 gauge from that IE wiring harness or would you need different wiring accessories?
Well done! Thanks
Did my IE zf8 tcu and 93 stage 1 on my A7 last week. Waiting until after winter to flash the e85 file.
How would you know if the ECU can be set for flex fuel operation? I know that there are add ons that do monitor ethanol content and will compensate for the variations. They're rather pricey though but they allow a wide range of fuels to be used.
In the time-lapse photo at 6:21-6:28, the ethanol is not sucking moisture from the air or even getting condensation running down the sides of the glass container. It appears to have been shaken up with water, as is seen later in the video.
Fuel system degradation on modern vehicles may not be a problem but fuel permeation still happens. Before I LS swapped my 2016 BRZ I ran E85 and after a while you could smell and see evidence of permeation on the rubber fuel lines (I didn’t touch the lines, tune only) Whereas when I ran gasoline I never had that come up. When I did the swap I did a custom PTFE fuel system.
Good video!
Can't wait for summer. Mk7 is38 ie tune and have their new flex kit. All I need to swap the hpfp hoping 380whp 🤷♂️😂
here in brazil we make ethanol out of the sugar cane, we have e100 at every station. All cars made for here are flex, even some ckd "produced" here like the bmw active flex f30s and g20s, land rovers, jaguars, mercedes.... But we never had a ea888 flex fuel from the factory, would be amazing if we could buy the car or buy oem parts to convert our mono fuel cars. Such a shame vw never made...
fun fact: even koegnissegg made a ccx with a engine map to burn E100 when a costumer here bought a car at the 2010s!
Thank you so much 🙏
nice video. If it was Charles, he would have make 5-6 videos out of this one video
I gotta say those are damn impressive numbers on an is20 and e55-e57 fuel. That IE tune seems to really be good. Is this still Beta?
I have a question doesn’t have to do anything from e85 but i have a mk7 gti 2016 and i see a tiny bit off oil around my oil filler cap , i changed the oil cap still got the same issu took to the dealership they said it normal i feel like it doesn’t seal correctly, any help would be grately appreciated
I've never watched this channel, I'm assuming it's mostly a German car channel but it's a video about corn and as someone who runs corn I thought I'd chip in what I know. On my LS3 Camaro SS, running e85 I gained 12whp and 9wtq but that was on a mix of e85 and 91 as my tank wasn't completely empty AND my injectors were maxed out with e85. Thankfully it was a flex-fuel tune so I can always switch back to 91 (no 93 in my area) when I know I'm not gonna be running it hard (say when I go on road trips or whatever)
If curious my car was running non-catted Long tube headers, CAI, larger throttle body, and e85
so ALMOST full bolt ons making 429whp and 430wtq
My ford truck has the yellow cap that says E85 so if choose to use E85 once in a while or wtf I would still need to upgrade parts? Or what would that be for the people that do conversion kits or do the tune ups?
Hey mate can you make a video on how to remove a mk 5 golf 3rd brake light there are not many videos out there, greetings from Greece
I live in a place where I can only get 91 octane fuel, but we do have E85. Should I put a bit of E85 to bump the octane of the fuel when I fill up?
I have a 2015 Jeep Grand Cherokee. I see forums stating not to use E85 on the tank. The gas tank door says e85 on it. Could switching to e85 cause issues with the fuel system like some forums say?
Is the new high pressure fuel pump internals a necessary purchase?
I have a issue with my Mk7 with 100,000 miles.
A misfire on cylinder 3 only, misfire is only on idle.
Did compression test 190 on 1,2,4 and 160 on 3. Changed spark plugs, coils, injectors, and did a carb clean.
Any help on what it could be the issue would be appreciate it.
So if I’m tuned on e85 (65% content) , is its not recommended to run anything below?
Asking bc I had to put 93 in my car omw back from a road trip and my gauge was reading 50% and my car drove different, in a bad way.
Am I missing something? I purchased the stage 2 tune for my 2015 gti but it dont have the flexfuel tune file. Only seen the stage 2 hpfp and e30 files.
FANTASTIC! video, honestly
But one thing I didn't grasp from the video.. Once you run flex fuel tune, imagine you JUST finished loading it but you have 93 in the car only, can I add any amount of ethonal to the car? Or does it have to be a certain percentage, and why can't I just run full E85 only on flex fuel?
Cheers :)
Any amount it senses how much ethanol and adjust if it’s a flex tune.
E85 and E-blends do help make more power.
Having dabbled around with tuning I have gotten decent gains in timing advance running different blends. Starting at e30 was able to advance timing 2deg without increasing knock over pump 93.
Only 2deg at E30 is very small in my experience. Is this a turbo engine? I'm guessing no.
No shit they do….
To anyone with experience using e85. I just got a f250 and it is a flex fuel. I was just wondering how to properly transition from gas to e85 and I also heard you had to switch back to reg gas when you do a oil change to clean out the engine. I’ve heard stories of people Messing up their fuel lines and it causing misfires. Just don’t want to damage anything but would definitely want to try e85. Any info helps thanks.
hello, how is everything ? Was the power measured by the wheels or engine? how many degrees does it advance in this map ie 93 octane and e85 map at redline rpm. and what turbo pressure and advance of this map ie 93 and e85 on is38 on gti mk7 can you tell please? thanks
New camera be hittin' different
so if i primarily use gas and i want to make the switch i need a flex fuel tune? i have a chevy equinox 2013 it’s a flex fuel car
Can you do an episode on pure gas? I had a B7 A4 that I swear I got better mileage because I ran pure gas as often as possible.
Hmm, IE's site states that support is coming soon for the trueflex sensor for stage 2 GTIs?
so i have a MK6 R running a HPFP on a Stage 2 Racingline tune, can i run say E30 or even to E70 without having to retune the vehicle. and maybe just install a Ethanol Senor.
Running Audi A3 on E85 tune IE freakin love it just hates cold weather 😂😂
for any car made before ethanol came out it can be a problem any steel gas tanks or metal fuel lines will need to be replaced with modern ethanol friendly ones even for modern cars made to run it if you plan on storing it say over the winter drain the ethanol out and replace it with gas it's better that way on the fuel system it can be a bit tough on the fuel system if left to set with ethanol for a few months . as long as the car is running and driving it's fine it's when it's left dormant for extended periods that it's a problem.