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The 2015 Ford Mustang four-cylinder… here’s the engine

Jeff Glucker January 16, 2014 All Things Hoon 87 Comments


Friend of Hooniverse Joe Carioti was minding his own business at the Detroit Auto Show. He happened upon a 2015 Ford Mustang with its hood open. This is important, because none of the hoods were supposed to be open. Ford actually removed hood latches from the car to keep this from happening.

It’s even more important… because this is your first glimpse at the 2.3-liter turbocharged four-cylinder Mustang. Click past the jump for more pictures and a video.


Early word is that this mill will push out around 305 horsepower and 300 pound-feet of torque. Since it’s an Ecoboost unit, it will certainly have a delightful torque curve, and it should prove to be a great match for the new Mustang.



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[Images copyright 2014 Hooniverse/Joe Carioti]

  • wisc47

    BREAKING: Hooniverse has images pertaining to a NEW car before other auto websites.

    • http://hooniverse.com/ Tanshanomi

      Our "friends" at [REDACTED] were quick to hop a ride.

      • skitter

        August 29th: Skynet becomes aware of the distinction between friends, and friends on facebook.

        • dr zero

          Good to see that Jeff is now [REDACTED]'s friend.

    • ˏ♂ˊ mzs zsm msz esq

      [youtube J96iBbkER3I http://www.youtube.com/watch?v=J96iBbkER3I youtube]

      There should be all better now…

      Also you going to the Cheese Freeze? I'm 50/50 depending on wife.

      • wisc47

        Maybe next year, I've got too much on my plate once classes start again. You also need a car, which is a bit of a problem for me at the moment.

        • ˏ♂ˊ mzs zsm msz esq

          Dang, would have been sweet if you brought the FIAT, good luck with school.

          • wisc47

            Haha, thanks. There's no way I'm driving it with that much salt on the roads.

    • Devin

      They could potentially have images pertaining to an old car before anyone else if they'd just find some pics of the Eshelman Golden Eagle already.

  • Nibbles

    The want is growing steadily. However I don't feel like getting laughed at by the wife because "could'a had a V8"

  • http://www.flowerpowerkc.com Alff

    Best Mustang SVO ever

    • http://www.roadworkuk.com Rust-MyEnemy

      I reckon "SO" for Surprising Output.

  • seabass

    What an AMAZING piece of engineered… plastic.

  • Eggwich James Dio

    I hope you buy Joe a case of beer, because this may be your biggest story ever.

  • captdownshift

    i so want to be the first…to swap of of these lumps into a miata

    • addlightness

      Scratch that. Caterham.

      • HotRodMatt

        i want one for my 1970 mustang coupe!

    • PedalHead

      I want to swap it into a blown up original SVO.

  • OA5599

    "He happened upon a 2015 Ford Mustang with its hood open. This is important, because none of the hoods were supposed to be open. Ford actually removed hood latches from the car to keep this from happening."

    Removing the latches makes the hoods easier to open, because the latch (or sometimes other hardware) holds it down.

    Removing the hood release mechanism is an entirely different story.

    • http://www.Hooniverse.com Jeff_Glucker

      oh you… with your correctness.

  • Eggshen

    Well I suppose there are some people excited about a 305HP 4 banger. For me I will take that 5.0 V-8 any day!

    • JayP2112

      The potential is there for 350-375hp and 425lbft- with just a tune. Hopefully it will have a weight distribution advantage over the 5.0… but looking at it, that engine stands pretty tall in the saddle.

      This engine makes about the same power as my 2005 3v engine. Not the same noise though.

    • joshwebster84


  • Scandinavian Flick ★

    I'd be really interested to see some numbers in regards to weight distribution versus the 5.0. From the look of it, there's about 1.5L less motor in front of the strut towers.

    <img src="http://i.imgur.com/w4Hs5H3.png"&gt;

  • Synchromesh

    I'd still rather have an STi with the same output minus the wing. I trust Subaru's 4-cyl engine far more than I'd ever trust Ford's.

  • http://www.washington.edu/news/archive/52703 mdharrell

    I suppose it's possible to think of this development as a very narrow V4.

    <img src="http://farm8.staticflickr.com/7401/11986871183_5893c450f0.jpg&quot; width="500">

    • http://hooniverse.com/ Tanshanomi

      I STILL want to see somebody put a 90° V-4 in a car. Perfect primary balance, zero rocking couple, and it should damn near be a front-mid-engined car with standard firewall placement.

      <img src="http://www.publimotos.com/revista/cursos-de-mecanica-de-motos/img/equilibrado-de-motores-2/vfr800engcut02.jpg&quot; width="450">

      EDIT: Nevermind. An astute co-worker pointed out that that would just be a Subie boxer motor with a higher center of gravity. I hate it when my detractors are dead right.

      • http://www.washington.edu/news/archive/52703 mdharrell

        Oh, so now you're fully opposed to it?

        • http://hooniverse.com/ Tanshanomi

          Not fully opposed, just less inclined towards it now.

          • http://www.washington.edu/news/archive/52703 mdharrell

            Maybe you'll come around to having your head in the right place.

            • http://hooniverse.com/ Tanshanomi

              What are you angling at? I'm not sure you're being straight up with me.

      • skitter

        Tell your coworker the 90° engine would probably be lighter, narrower, and easier to work on.

        • http://hooniverse.com/ Tanshanomi

          Good points.

        • Tiller188

          Changing the plugs would probably be a lot nicer…

      • Hopman

        SAAB beat you to it. They used a V4 in both the 96 and the Sonnet III. If I recall, it was a Ford Talus motor.

        • ptschett

          Taunus. (Which I thought was a misspelling of "Taurus" for several years… file that under "US-born, child of the '80's" problems…)

        • http://hooniverse.com/ Tanshanomi

          The Taunus was a 60-degree vee. I was specifically referring to a 90-degree angle between the banks, because of its inherently superior balance and smoothness.

          • Manic_King

            Soviets had weak air cooled 90-degree V4 in crappy ZAZ cars. Wikipedia claims it has balance shaft, that's news to me. http://en.wikipedia.org/wiki/Zaporozhets

            • http://hooniverse.com/ Tanshanomi

              Never knew that. Thanks.
              But a balance shaft on a 90-degree V4? Why?
              Oh, right — Because Soviet.

              • monkey_tennis

                That extra rotating shaft was probably the only way that this engine could meet the unique NVH expectations of the local market…

              • ˏ♂ˊ mzs zsm msz esq

                I think MK means wiki is being wiki, no sign of a balance shaft here to me from a quick look, just counter weights on the crank.

                • http://hooniverse.com/ Tanshanomi

                  That's ALMOST enough to change my avatar.

                  <img src="http://tanshanomi.com/temp/ZAZ-V4.png&quot; width="450">

                  • ˏ♂ˊ mzs zsm msz esq

                    Isn't that such a well done cross-section/schematic/art! I like the one showing the lubrication too.

                    • Manic_King

                      Picasa site with all the drawings is great find. I was hoping they have cross section of that fuel burning heater too, which was next to motor and forced ZAZ owners to keep fire extinguisher ready all the time during the winter as fires were frequent until engineers improved system and made it safer. When spring came ZAZ owners still completely disconnected heater to be on the safe side.

                • Manic_King

                  No I was surprised but thought "well, maybe it really has something like this." Claim was made here: http://en.wikipedia.org/wiki/V4_engine

                  EDIT. Maybe this cam shaft really has some balancing properties as it turns not in the same direction as crankshaft as is usually the case, at least with OHC motors AFAIK.
                  Also here (in Russian) part nr. 8 is called balancing-something, in google translate it's "balancer shaft sleeve":

                  • ˏ♂ˊ mzs zsm msz esq

                    Well dang, it did have balance shafts!

                    <img src="https://lh3.googleusercontent.com/-MZKSOAoP2Xc/S56_TuG61UI/AAAAAAAABP0/J1cj_S19S_A/s678/Rozrz%25C4%2585d.jpg"&gt;

                    Противовес means counterbalance (part no. 969-1006280) but amusingly the second google result is pleasantly Polish model Natalia Siwiec.

                    Have a great weekend MK.

                    • Manic_King

                      Great weekend to you too! That's currently most obscure corner of car-internet right here, probably. People discussing ZAZ balancing shafts :)

                    • http://www.washington.edu/news/archive/52703 mdharrell

                      Even better, the discussion arose in response to the new Mustang engine.

                    • ˏ♂ˊ mzs zsm msz esq

                      Naturally as you pointed-out at the beginning of this thread, and there was a pun thread too.

                    • http://hooniverse.com/ Tanshanomi

                      I think we need this on a Hooniverse T-shirt.

                      <img src="http://tanshanomi.com/temp/Hooniverse_ZAZ-balance-shaft_Tshirt.jpg"&gt;

                  • http://hooniverse.com/ Tanshanomi

                    In Soviet Russia, engine balances shaft!

                    • Manic_King

                      Haha. Well, in ZAZ cars I've driven every version of this engine sounded the same, it's approx. cross between B&S lawn mover and beater VW beetle and was less sophisticated than these things are.
                      Went to Youtube to to find some videos and there's many, but then found this, Polish(?) build where ZAZ engine is in Dnepr bike, sounds completely different thanks to long pipes.

                      [youtube JjYm5m3rDsI http://www.youtube.com/watch?v=JjYm5m3rDsI youtube]

                    • http://hooniverse.com/ Tanshanomi

                      That's really nicely done!

                      And I think I determined why the balance shaft: The Honda design used a common crank pin for the F & R cylinder on each side. It looks like the ZAZ has four crank pins with different offsets.

                    • skitter

                      I don't know why I didn't think to mention it before now, but the Katech V4 appears to be 90° with common crank pins. For when you finish the Bultakenstein and move on to the 2F1R.

                      Edit: Nevermind. The pin offset is only 75°, so it needs two balance shafts.

            • Sjalabais

              This must be the first mentioning of ZAZ ever that arouses remotely positive excitement.

              • ˏ♂ˊ mzs zsm msz esq

                But it had those cute little ears in back!

                • Sjalabais

                  Haha, true! It should have worn ears on sticks though – must be one of the loudest cars ever made.

        • http://www.washington.edu/news/archive/52703 mdharrell

          That's a Ford Taunus V4 in the photo I posted above, except in this case it's installed in the original Mustang I of 1962.

  • BradleyBrownell

    GIMME GIMME GIMME! I have driven the 5.0, and it's nice, but I'd rather have the 4. Insurance will be less, buy-in cost will be less, fuel consumption will be less. I'd bet it'll be lighter and better balanced.

    I'll take mine with a 6-speed, the track pack, and no other options, please.

  • Number_Six

    I love how much this is pissing people off. For god's sake, if you don't want an I4 Mustang, simply do.not.buy.one. As for me, I'll continue to praise Duntov for every year we get another excellent car that exists purely to be a toy, whether it has 130HP or 630HP.

  • name_too_long

    Depending on their respective pricing and how the new Mustang handles, it could be a viable competitor to the next Miata for the "cheap-fun" market.

    I know, it sounds crazy, but think about it. Right now, a base V6 Mustang costs less than a base Miata. If all you're looking for is fun you spend a bit more and buy the Miata because the current Mustang's rear suspension is from the 1960's (which means you can't really have fun with it anywhere but a track without the risk of killing someone).

    The 2015 Mustang has IRS, which should mean it will handle real-world corners like something from this century. Of course, IRS costs more (which is why the current Mustang doesn't have it), but that could be offset by the lower cost of a turbo-4 compared to the V6. So, in theory, the cost difference would be a wash and we could see a 300hp Mustang that actually handles in the real world for *less* than a smaller, less practical, Miata.

    The laws of physics dictate the Miata will still be more fun, but the gap will be smaller. When combined with the practicality gap, the 2015 Mustang becomes a legitimate contender in the "cheap toy that can still be used to commute" segment.

    • boost

      My Boss 302 sure handles real world corners as well or better than any other car over driven… Not sure how the irs will improve things. It'll sure make it harder to modify and race… And tires will probably wear faster. No big deal.

      • JayP2112

        The 5.0 performance pack will be faster than the Boss on the track.

    • BobWellington

      Have you driven a current Mustang? And did it have the track pack?

      • name_too_long

        Yes, and yes.

        A 2013 GT with the track pack. Hitting a mid-corner bump caused the back end to step out on a "recommended" 35 mph corner I normally take at the full 50 mph speed limit without issue in my Miata. I've driven the same route in other cars, including a C5 Z06 and a monster WRX (so the incident with the Mustang wasn't down to power), and not had an issue.

        Is it a common situation to encounter? For most people, probably not; I like that road for test drives specifically because it challenges both car and driver. I still think it's a valid test and observation though since I very nearly put my friend's car in a ditch despite expecting, and being prepared for, some wonkiness.

        • BobWellington

          Ahh, ok. I wasn't sure if you were implying that it couldn't handle at all or something else. The mid-corner bump is certainly something I've heard the Mustang isn't good with, but otherwise people seem to be impressed with the handling considering that it's a solid axle.

          • name_too_long

            Oh no, the current Mustang handles fine under *most* circumstances. The problem is that under the sort of very specific circumstances you might encounter when out having fun in a car, it goes from "fun" to "holy-shit-I'm-going-to-die" without any real warning. Just knowing it can do that keeps you from fully enjoying it.

            The change to IRS should mean a mid-corner bump won't upset the new Mustang nearly as much.

            • BobWellington

              Yeah, I'm definitely quite interested to hear how the new one handles. If only I had the opportunity to drive one.

        • ˏ♂ˊ mzs zsm msz esq

          I'm curious if you recall what you did after it stepped-out. I've driven Volvos and trucks (and yes these are not the same as Mustang) that would bump steer like that and if I just kept my foot steady on the gas, maybe move a smidge-up if needed, and give a bit of counter steer, then a bit more gas after the the first oscillation, all was well every time. There's one turn where I routinely pretty much have to do this unless I want to get rear ended.

          • name_too_long

            I'd love to say I mashed the gas and drifted through the next six corners but the reality is I counter steered and pulled my foot out of it until I was back in control. Then stopped in the middle of the road and thanked my lucky stars I wasn't in the ditch.

            The problem with the road I was on is that there's only about eight inches of shoulder before you're, literally, in a ditch.

            • ˏ♂ˊ mzs zsm msz esq

              Dang, then I would have bitten it royally in a Mustang with it's more engine, so it's good about the IRS then, thanks.

    • Maymar

      I think if we're honest, the EcoBoost Mustang will be no more of a real viable alternative to the Miata than the outgoing 300hp V6 Mustang is. I mean, capable of some very decent numbers, and a very good deal if you can keep away from the options list, but still, too big and heavy unless you're just going for a broad idea of fun.

      I'd hold off buying a Genesis Coupe for some time though.

  • alfamale164s

    I had the luxury of lots of time with the new 4 cyl Mustang and shot a few hundred photos. It is a nice option, pulls very well, and gets good mileage. I have no idea if it will fall to pieces after 50,000 miles, but I like it so far. Time will tell.

  • TurboBrick

    Mustang is supposed to be a cheap and fun car, so why not. Is it time to start looking for an SVO or Turbocoupe with a bad motor?

  • racer139

    What does this new mustang weigh? Say it weighs 3500lbs it will be fun but not awe inspiring.

    • BobWellington

      The current V6 coupe with a manual weighs about 3400 pounds, and this one is supposed to weigh less…we'll see.

  • PhillipThomas25


    Be sure to remind everyone about 16 times a week that you broke the story.

  • Tony

    WOW what a shot! That Joe guy is a stud for sniffing that out!

  • rennsport964

    I don't know why, but that overflow tank bothers me. Maybe it's because it looks like it was tacked on as an afterthought.

    • ˏ♂ˊ mzs zsm msz esq

      I know why it bother's me, should be tall and skinny so there is less sloshing about in turns. Americans and their straight line cars!

    • vwminispeedster

      That's a lot of blinker fluid.

  • Rover1

    Is the engine related to the Ecoboost 2 litre used in the Falcon? ( And Jaguar and Land Rover )
    <img src="http://www.carshowroom.com.au/carphoto/65/photoset/550/2012-Ford-Falcon-4D%20SEDAN-XT%20ECOBOOST-20120424171233316.jpg"width="400"&gt;


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