How Much Horsepower Can a Mustang GT350 Make with E85 Flexfuel?
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- เผยแพร่เมื่อ 9 ก.พ. 2025
- Ethanol, or E85, has taken the tuning community by storm with its ability to make big power while still remaining cheap. Many turbocharged platforms have adopted E85 because of the big power increase it can make, but what about naturally aspirated cars? I was curious how much more power my Ford Mustang GT350 could make with nothing more than a software tune. In this episode, we find out.
#gt350 #mustang #flexfuel #fordperformance #ford #eatsleepdrive #mustanggt350
Shout out to "Tim Allen" on the cameo... 😂
So has your stock GT350 motor given you any issues.
I have a '15 5.0 and it's a great car. The GT350 is just a beautiful and amazing car. it's like the ultimate iteration of the Mustang. That color combo is beautiful.
I had a guard 15 PP. loved it. But ended up getting a 17 GT350 because of the engine and tranny. Interior door panels are nicer to touch and feel. Its like the best road course mustang ever made. Just like the original 350
A 20sec clip stretched to 20min
This is worth more than 20 seconds
Great vid man, thanks! Since we have the same car and color it feels like you did all the dirty work an I sat, watched and received all the data... which i just did!
So when you getting yours tuned?
EatSleepDrive I don’t think I’m going to until the warranty is up. Will all the mustang issues, I don’t want to void the warranty with a tune, then have engine issues and it not be covered. Right now I only have ford performance upgrades... I really want the E85 tune though. That would be perfect
@@tcr2237 What "Mustang issues" are you talking about?
stanglifemike don’t want a blown engine that ford doesn’t rebuild because of a tune. I drive the car hard, check and change oil frequently... loose 1/2-2/3 a quart of oil every 1000 miles... ford says its normal but I’m not convinced. No tune for that reason alone. Also, other 350’s (like tunnel chaser) with blown engines. If his was tuned, he would be forking out big money for a new voodoo!
That's definitely pretty cool the wonderful thing about it is the tuners great! And it's not doing anything to hurt the motor I see you're having fun good video like it!
Thank you!
@@EatSleepDrive you're very welcome I'm thinking of buying a 2016 350, and wouldn't mind taking that drive to Cincinnati happy new year God bless you be careful!
The 2018 Mustang GT intake manifold makes a few more ponies/elimates 2 dipps in the HP/TQ curve vs the GT350 intake manifold according to VMP Performance.
Great cars but you see the real difference when you trade -in, street status, collectability and realizing that there is more than just horsepower ratings that matters in owning both of these cars. When you're evaluating both, having a GT350 in comparison to a adding parts of a GT350 and other after market parts, to the GT, if you can afford one, buy the GT350.
Are you referring to putting an 18 GT manifold on a gt350, or the typical gt350/2018 gt manifold on a ‘15-‘17 5.0?
Somehow...I 'seriously' think you are mistaken!... From the factory, when Ford installed and tuned the "Bullitt" - using the GT350 intake (as a substitute for the current GT intake manifold and air filter) - they increased the power rating from 460 hp on the GT engine to 480 hp on the Bullitt. Seems like Ford stands behind the power making prowess of the GT350 intake and tune being an improvement ...over and above the factory GT production setup.
Why would Ford exaggerate the benefits of the Bullitt configuration, especially since its so easy to get proof? - Have you done any "real word" empirical testing? ... pull up to the next stock 2019 Bullitt you see, with a stock 2019 GT - then come back ad let us know the results? Should be - interesting...?
The GT350 level 3 PP sourced kit on a 2015 - 2017 GT PP 1, installed properly, is not a joke - why would it not give similar gains on 2018-2019 - especially when it comes from the factory properly tuned....using a Gen 3 Coyote as foundation short-block - instead of a incrementally improved Coyote Gen 2? ..... something ain't Kosher?
According to basic math, 468 - 439 = 29, not 19. You were shortchanging the tune results from stock to 93.
Right!!?? Math is HARD
There are over 100 E85 pumps in the twin city area...the issue is most E content is between 65-77, even in summer. I spent the summer last year driving around the cities and found 1 pump that was at E83. (used a tester) Of course it was on the other side of the cities from where I live. Moral of the story, never get an E85 only tune...get 2 maps or a flex tune.
Lmao. His assistant is funny af.😂😂😂
Thinking about buying one of these, keep the vids coming.
Do it.
Btw it makes 20whp more
Alex Garcia thanks 👍🏼
adrian m8 439 to 485? Your math is off
Thank you
I have an FR-S and they have a terrible tq dip. E85, exhaust, and intake manifold fixed this. I need another Mustang though.
Those are perfect graphs. Coyotes and the voodoo's can put down some perfect power graphs..
Is a tuner needed to run e85? As he said it is flex fuel with the factory ECU. Does that mean then that I can go put a few gallons of e in and run it and the stock ecu with correct the tune needed to run it? Or is a tuner required to run it?
You've pretty much convinced me to trade in my m4 manual for a gt350 time to start the search
The M4 is a great car but I don't think it's as fun or exciting as this thing. If you can appreciate a good exhaust note you're going to love a GT350. Good luck on your search!
Karthik Pradeep smart move
I want to trade my M3 for a M2😂
@@ripfletching took a short test-drive thought I could handle a worse interior but it's too shit for me. On that short test drive the only thing I liked better was the sound and gearbox.m4 felt much more refined and powerful
@@01.k.p gt350 interior is nicer/better quality than f80 m3, I'm assuming m4 is similar if not same - fake tacky carbon fiber and shiny plastics. BMW interiors are extremely overrated.
How much more with a set of Kooks long tubes ?
So all I need for a stock 2017 gt350 to run e85 is a tune right?
And a flex fuel kit
Diego Banuelos most ford engines from 2010 up have flex fuel from factory especially the v8s
Methanol injection helps out alot also.
Not on a NA car.
Great video, great car, unreal HP! Be careful on the road.
What shop is this? There should be a link in the description.
Are you using ngauge? I’ve noticed with my lund flex tune sometimes it just takes awhile to lock in the E85 reading and once it Jumped to 91% but was only e75. I was looking at adding the pro commander flex kit but dunno
yea its funny,, I just bought the same exact car a few weeks ago.. 2017, it has 467 miles on it,, that's why I bought it.. I already have a 2018 gt whipple stage 2, but I could not pass it up considering the mileage. I am going to be getting mine tuned etc. soon,, so this video was very helpful... thanks..
Enjoy. I'd be curious your thoughts long term on the difference from GT to GT350.
@@EatSleepDrive cool brother. After it FINALLY warms up out here in chicagoland I will ne happy to let you know.
Damn 45 HP from just E , wow
Good job.
Great video man, when my stang gets here in a couple of weeks I wouldn't mind linking up with you, maybe you could shoot me some ideas. I'm not far from that shop you got tuned at.
There’s s kit to adapt the GM e85 system to this car
Great video I was hoping someone with a GT350 would make one, so my question is what would be the difference between going to a shop & getting like a LUND RACING device, besides the obvious putting the car on the dyno...
The difference between a truly custom tune and what most people refer to as an "off the shelf" (OTS) tune like the Lund is just that, the custom tune is tailored towards your exact engine. OTS tunes are generally more conservative because they have to account for a wide variety of variances between engines and environments. There is no guarantee how a OTS tune will behave on your vehicle. I'm sure the Lund tune makes more power than stock, but it won't be optimal. Think of buying new pants, you could get some one sized fits all from the store, or you can get a pair custom tailored. I have no problem with OTS tunes, but only through applying custom software and testing/tweaking it on the dyno will you get optimal results.
So technically you could do an egauge with a flex tune, fill up E85 on almost empty, flash the car with E85 tune only & dyno the car & there you have it LIKE dyno tuning... I’m I correct for saying this..? Please correct if I’m wrong... thanks
The looks and sounds is very intoxicated bro 👍🔥
Amen.
Bro I seen huge gains when u driving it. How much that tune cost u. Awsome video by the way
Coo man!!! I have a 2018 GT350 and I'm think about getting a custom tune E85 similar to yours. Do you mind me asking how much you paid for something like that?
Manny Land if you go with lund, you have to buy the nguage and then pay lund the tuning fee which is about 250. So in total about 700 or so
A 2018 up 5.0 makes 510 wheel on average with e85 and intake exhaust. Seems like a 5.2 should make 30 or 40 more than a coyote with bolt ons. Still impressive gains though.
Hey EatSleepDrive, I'm looking to do this tune with my 17' GT350. Have you had any issues with it so far? I've read cars can sometimes be hard to start in colder weather with E85. What's the weather like where you're at and have you had this issue?
I haven't had any issues. Definitely haven't had any hard starting in the cold and it's been pretty cold here in Ohio.
EatSleepDrive Great, thanks for the reply!
When the engine is cold it does take longer to start. The higher the % of ethanol the longer it takes, though we're still only talking about 4-5 seconds, after which it runs fine. Much more of an issue in the winter. This is the reason that many parts of the country reduce ethanol percentage during the cold months. If the start delay bothers you you can simply dilute the e85 with more premium. I've found that with anything less than e50 the engine starts normally. And when you consider e50 is around 100-101 octane you're still gaining 95% of the benefit. I've had the Lund flex tune for 2 1/2 years and it has been 100% flawless.
@@EatSleepDrive What is the ethanol% of the winter blend where you live?
You have to let the pump increase the pressure in the lines. Ethanol has different physical properties than gas.
unplug that connector behind the intake filter....... than drive it. see if you can manage to keep it straight.
I'm about hour south of you. I'm considering doing the same thing to my GT350. I have one gas station here that offers E85. Did they program the tune directly, no need to purchase a device? Have you noticed less traction through first and second in the upper RPMs?
It's for sure more lively in lower gears. The nice part is you can run E85 or 93 or any combination of
@Third Eye Photography LLC it's just an HPtuners flash
How much did the tune cost? Any long term worries about injectors, need to swap them for the higher flow rate?
Injectors do not have to be upgraded.
Your videos are great mate, thanks.
Thank you!
Yo does the guy on the phone talking to Tim Allen have a TH-cam channel??
Wait what does it mean if your chassis starts with a G? Mine starts with a G, what is the significance?
G is a code for the year the car was built. I have a 2019 = K
Thanks for the vids, HAPPY NEW YEAR!
Happy New year!
I see a lot of E85 conversion kits for the GT350 on the internet. They're like $900. Is there a benefit to something like that or can I get the same power on E85 in my stock GT350?
What you saw in the video is an all stock GT350 with just a flash tune to compensate for E85. A custom tune like this will make as much, if not usually more, power than any of the 'kits' online.
By "kit" I take it you're talking about the ones that use a flex fuel sensor and auxiliary fuel computer. You unplug the injector wiring and insert the kit-supplied wiring between the injectors and the factory wiring. The computer then intercepts the signal from the ecu and adjusts fuel delivery. I imagine those work. The big difference is there is no tune involved. As you saw in the video the tune alone on 93 was worth 20 hp. There is no way e85 alone will match e85 plus tune.
Hell yeah corn power
@@EatSleepDrive BUT--a tune voids some of your warranty, while the kit does not.
@@ryang9113 If your engine blows, even if you remove the "kit" from the engine, Ford will still be checking the fuel and oil properties. You couldn't hide running e85 from them.
Sweet man
needs a VMP supercharger
What year is that mustang
Torque figures?
Shout out for Martinsville Indiana! Right in my neck of the woods! Go FatHouse!
And now the 2020 Bullitt GT makes 446 off the showroom floor
“Factory Freak!”
Have you test the '19 M2 comp?
I've driven the 2017 M2 but not the competition yet with the s55. It's on the list
@@EatSleepDrive I am nervous for the s55 feeling and sounding good. Done an e93 supercharged, but not fair
Great video, thanks for the content. I'll reach out to this tuner here in CVG. I also sent you an email, give me a shout out to connect.
Does E85 requires mods or fuel system upgrade to stock gt350?
Nope
If you wore a tall Abe Lincoln hat, would the roof bump it?
Sadly yes.
Abe Lincoln?
With the tune, do you have to exclusively run e85 now?
Nope, it's true flex fuel so I can run any combination of E85 and 93 and the computer figures out the rest. Obviously it will make more power with more ethanol, but it's nice knowing I can run whatever if I can't find an E85 station.
@@EatSleepDrive Is there a time delay that your car needs, to figure out the E content?
I might be dumb for not knowing, but isn’t the GT350 rated at around 525hp stock? Why is is lower than that after the tune?
Crank horsepower does not equal wheel horsepower.
The car manufacturer advertised number is BHP - when you measure on a dyno it’s measuring HP at the wheels and is usually about 20% less than BHP. So Ford says 526bhp for GT350 and they measured 439whp baseline so about what would expect.
I love your car! How does your spouse feel about your “hobby”?
Ehhhhhh
Great info. My Bullitt put 446hp on a mustang dyno, we got 469.7hp with tune only. With drivetrain loss 446hp is over 510hp at the crank, so the 480hp rating for the Bullitt is underrated by ford. I suspect because that’s too close to the GT350’s rating. All numbers are weather corrected. My tuner said either E85 or headers would make 500hp at the wheels, but I’m happy already. th-cam.com/video/rnSGUv02drY/w-d-xo.html
Supercharge it
Why only rev it up to 7500?
Vlad B How about you do that to your own car and blow your pistons? Doesn’t sound to good huh?
@@NicholasCAdventures stock redline is 8250, bub. Did you miss that part?
I'm guessing 500 😂 LZ just tried the same thing
My 18 Mustang is pushing 515 to the wheels
What's been done to it?
🤙🤙
😁
Too many bone stock Voodoo engines blowing up to do this. These engines just aren’t robust enough to last stock, let alone “tuned” or “boosted”.
Sure buddy
You did nt want a faster car, you more torque? Should have gone with a ZL1!