Since i've read that you will be doing a follow up to clear things up on how the ACD works I moved this comment for easier access so you will have plenty of information to go off of which you may use if you want or ignore though it is a very good explanation on how it works. Looking forward to the new video. The ACD is a bevel-gear type center differential with a front/rear torque distribution of 50 : 50. The differential is controlled by an electrically controlled hydraulic multi-plate clutch. The ACD unit hydraulically controls the limited-slip locking state of the center differential which ranges between full locked, full open, and every point in between these two states. It calculates what the optimum locking amount would be using real-time input from the sensors and which ACD mode is selected. When the car is accelerating or decelerating rapidly, the ACD begins to engage the limited-slip locking on the differential. The harder you accelerate or decelerate, the more it locks. This is done to provide maximum lateral stability and wheel traction. The ACD allows the differential to operate in more of a free state when steering movements are made. When turning, the wheels in the front have to travel a further distance than the wheels in the rear. This is because the wheels in the front travel using a larger turning radius than the rear wheels as you can see from this picture. static.flickr.com/9/75406254_d439069b18.jpg?v=0 So in order for smooth turning, the center differential needs to become open to allow for the front set to turn at a different speed static.flickr.com/39/75406250_78fce86b5c.jpg?v=0 If the front wheels are spinning faster than the rear wheels, then the ACD begins to lock the clutches up. If the amount of force exerted by the front wheels is less than the amount the clutches resist, then the slip is stopped and both front and rear spin at the same speed. However, if the force the clutches can resist is less than the force exerted by the slipping set of wheels, then the wheels will slip, but only by how much remaining force the slipping wheels overpowered the clutches with. Despite popular belief, this switch DOES NOT change the torque split. The differential is geared at 50:50 and cannot be changed by the push of a button. What this switch actually does is quite simple. Each setting determines how long the ACD will delay in freeing the center differential after a steering input is made. In addition, it will determine how much locking force the ACD will exhibit on the clutch pack and center differential. TARMAC is the setting to be used in dry, paved conditions. In this setting, the ACD will almost immediately allow the center differential to go into a free state upon detecting a steering input. Additionally, this mode provides the strongest limited-slip clamping force of the three modes. GRAVEL is the setting designed for wet or loose roads. In this setting, the ACD will delay in freeing the center differential for a moment. Of the three modes, this one has the second strongest clamping force. SNOW is the setting designed for, you guessed it, snow. In this setting, the ACD will delay in freeing the center differential for much longer than the other two settings. Of the three modes, this one also provides the least amount of clamping power
I've got to say, I've owned this car for a year and I love it. I was bit by the mod bug immediately and started tuning it. First thing I did was remap the TC-SST to firm up the clutch engagement in normal mode. I reduced all values in the clutch pressure ramp rate tables and torque to throttle ramp rate inputs. This made it a lot more aggressive and the car puts a lot more power to the ground with no clutch slip (even in normal). I've now installed an MHI18k along with FBOs (AMS, K&N etc). No regrets not going GSR, the car is more of a sleeper now and less attention from cops.
I own a '11 Evo and I find it pretty amusing how many people walk up to my car without any clue on what it is. Someone even thought it was a Subaru/STI lol
Excellent review. Your comments are pretty much in line with what I've seen with my 2008 GSR, which is my daily driver. Still love the car, which has been reliable and particularly fun in the snow with the right tires. I don't know why Mitsubishi would discontinue this vehicle, as it is one of the only really truly great ones they make (IMO).
I'm a Subaru guy all day long but I've always had a lot of respect for the Evo and am sad to see it go. The early-mid 2000s which saw the fight between Subaru and Mitsubishi were fun, exciting times. It's sad to see where Mitsubishi has ended up too, they used to build some great cars, hell even my dad's '03 Lancer OZ (all 120hp of it) was a great car. It's a shame really.
Frederick Thomas Oh I didn't know that, I switched to WRX team when Mitsubishi announced they wouldn't make the Evo anymore, and now I love Subaru more than I ever loved Mitsubishi. PS. I've never owned either. :(
It's about time that the Evo got a break. Hopefully it will return with new tech in it and get way better gas mileage. Same for the STI. There are big, heavy 5+ liter V8's getting the same and better MPG than these beloved AWD sports cars right now.
Why don't you go through all the mechanical aspects of the cars anymore (Suspension, brakes, exhaust)? That was one of the things that made your reviews unique from everyone else's?
+Engineering Explained I miss the mechanicals too. I think that's what I like most about your channel is your mechanical understanding of it. Maybe you could start doing segments comparing cars mechanically to each other. Like STI vs Evo or Camaro vs Mustang and see who made better design choices.
Also worth mentioning the MR gets two piece brake rotors in the front along with the better suspension and wheels. The GSR doesn't. You filmed them a few times. :)
I owned a 2005 STi and then moved on to a 2011 Evo GSR. I've also had a ForesterXT and still have a Legacy. Side to side, I really miss the 6spd MT in the STi. It was FAR better than the 5spd MT in the GSR. But handling in the GSR blows the STi away. I miss the boxer rumble under heavy boost with better flowing exhaust, but seems like the ELE manifold on newer designs gets rid of it anyhow. Anyhow I
Lol. Right? Evo owners used to be able to Subie owners, "Atleast I have Recaros..." Now they can't even say that. This is a sad way to go out for the Evo.
+Engineering Explained when you said mitsubishi took out the Recaro seats for 2015 models it's because u.s safety requires all new vehicles have air bags seat. exception... final edition
You can change the brightness of the entertainment system. First thing I noticed about your review other than your corrected mistake of the USB port. I'll be back after watching the whole video. =)
Dealerships are gauging customers on still brand new unsold 2014's with the Recaro seats. Assholes at a dealership near me are charging near $55,000 for a fully loaded MR with the leather Recaro's...... Their reason being "last Evo with Recaro's" lol no thanks...
I'll let you know about the ignition - I have one of those on my Mazda - yes its a knob that you turn while not needing to pull your keys out of your pocket - and its easy to remove the knob with a standard key entry underneath in case keyless start doesn't happen (flat battery in remote or other fault). If it were a push button start and the battery went dead in the remote (or other fault) then you wouldn't be able to start your car. The method with the twist-knob is better in my opinion.
Seems like they've cut some corners on this final model. Sucks it's not a full manual. Sucks that it has a fair amount of drawbacks. But there's no denying that smile on his face when he was gunning it through corners. And that's what it's all about. Sayonara, Lancer EVO. Now who am I going to needlessly hate whilst driving my WRX? Ford Focus RS drivers, I guess...
I love my FAST key system on my Evo. I never liked push to start cars because it takes that little joy of starting your car that you love. Mitsubishi did an awesome thing by removing the antiquated physical key and it's inherent problems/irritations and made a solution that still gives you the joy and control of starting your car. The sound it makes as all your bings and bells go off as the dash lights greet you on the first click forward. Next click forward brings forth your AC and other systems, further preparing you for the next and final step. The Start. That sound of the fuel pump wining, starter moving your 4b11t to the point where fuel and air comes together to make the most beautiful exhaust note that puts a smile on your face. Every. Single. Day. They aren't making you turn a key, they let you turn a key. Don't forget about how extraordinary this car is and love it.
What a sad death of a great car. Everything looks like it was picked out of the bottom of the parts bin... Maybe it's just the absence of the Recaro seats getting to me.
The reason the key fob can sits in your pocket but you still have the traditional ignition cylinder with a plastic thing in it is so it's easier for them to build in the factory - as the smart-key system was probably an option and they didn't wanna have to cut a hole in the dash for a push button start when there's already a hole there. In other words, they're just lazy.
the reason you buy an evo is because its 4b11t engine has almost as much potential as the previous evos 4g63 while being much more livable oh and it looks really cool and has a huge modding community
Funny you mention about the tank size of the Evo, in the 8g Galants and 3g Eclipses that were a similar size, Mitsu had a 17 gallon tank. Those 2 -2.5 extra gallons would put the range at about the STi's
I think the 80 percent front power split is incorrect. I studied their center diff designed back in 2008 when I bought my sti (long time ago can't believe), it's a mechanical diff split with 50/50 gears, so it's awd not like haldex which is fwd in principle. the active center diff is computer controlled clutch pack various the lock up, like sti, but without user control on the amount of lock up. I think it's locked up faster when set in gravel. its brochures says can send 100% torque to either front or rear axle not 50/50 when slips. just think it just locks up the acd and one axle is hanging in air the other is 100% torque.
+Engineering Explained interesting. something must have changed since 2008, either the car or their explanation. I can't find 2008 brochure since it's long gone, but this article explains how center diff works and it was applied to s-awc per my research back then if u don't think I was lying. www.evolutionm.net/forums/evo-engine-turbo-drivetrain/175195-acd-article-answers-everybody.html
+Engineering Explained no problem and thanks for the reply. I think I miscommunicated using the word 'lying'. I was trying to say if you believe me doing the research back then as I have no proof since they are long gone. there were so much misconception and wrong information flying around for the acd back then, and even the c&d article comparing 2005 Evo to sti saying Evo is basically 100% fwd until acd sent power to back, which is completely wrong (if that's the case Evo should have better gas mileage). the link I provided from evolutionm summarized the best on how acd works with great citations, and I remember looking at the transfer case diagram, which basically is a normal differential with computer control clutch pack limit the slip on the output shafts side. the side gears in the differential are the same, hence 50/50 split. I am not saying you are wrong. just very interesting someone in Mitsubishi engineering told you 80/20 split, which I haven't heard before. Either he is correct or wrong. Maybe something changed in the last 7 years to the car and I don't know, or all the research I did was incorrect. who knows....
+Ming Li I have an `08 model, and I have a removed rear diff in my garage, the acd has spide gearing, so it can send all torque either rear or front, and it is locked hydraulically via the ayc pump.
Ok for a car that goes from 0-60 in 5.2 seconds, is a 4 seater and has AWD getting 25 mpg on the highway and 17 mpg in the city is pretty awesome actually. I mean a brand new 2016 Camaro will do better but in the Northeast the Evo is way more practical for year round driving. The range is an issue though I agree should have a bigger gas tank.
Had a 8 and a 10. Both great cars but the 10 is probably better because of (and not despite) the dual clutch transmission. The 10 is prob the best car I have owned or driven. I get an impression the author is not a Evo fan. That's OK too. Just remember that Evos are not about creature comforts or good fuel economy or range. We happily live with that.
+Engineering Explained I hear the Merc A series will also be coming to America; also the rs3 for sure in the sedan form but possibilty the hatch might make it as well!
I was considering upgrading my evo ix to the 2015, but once I heard it was an automatic I switched and an STi. Now I know why the production stopped on the evo, STi > evo
+Jordan Druce I had a 2004 Impreza 2.5 TS, and I was getting about 23 mpg running back and forth to work. I got a bit over 30 a couple times on long highway drives.
I went on a canyon run last night, the way there and back, and driving the canyon itself both ways also, resulted in me using up half the tank of gas in my 15 gsr, about ~75 miles
My evo. Final edition have all the options that were removed in the US, including the Recaro seats, red stitching, etc. Edit: I'm in Canada and we probably have the best version of it.
About the torque split, it is 50-50 and it has the same hydraulic unit as the rear diff, it can do 100 % rear or front. And the body roll annoys me too, but a set of hotchkis sway bars and coilovers will fix the issue.
Engineering Explained The ACD is 50-50 torque splt,The center differential is geared at 50:50, it only locks up, and it has a lockable clutch mechanism connected to the AYC pump, it can lock the center diff. www.full-race.com/store/r14-awd-skyline/acd-pro-mitsubishi-lancer-evolution-active-center-differential-controller-1.html, here is a good read about the ACD. I had the misfortune of learning about the diffs the hard way, I had a rear diff failure.
+James B www.evolutionm.net/forums/evo-engine-turbo-drivetrain/175195-acd-article-answers-everybody.html , read this then, it is wrong info, the evo is not fwd biased, it is an even geared center diff with an electronic locking mechanism, don`t send out wrong info about the awd system, because people don`t get the evo awd, it seems complicated, but once you open it up, it is not so hard to understand.
+Nagy Szilard Let me ask you this, if it's so simple. What's the point of a clutch pack within the differential if it's a constant 50/50 split? The answer is there is none. An open diff has a constant 50/50 split. This can alter the torque, that's why it's called an active center diff. I'm not sure why this is such a debated point.
I completely agree regarding the non-telescoping steering wheel observation/critique; it's a terrible design feature which only works for the shortest of drivers.
I'm just curious about on thing. For the Subaru STi, you stated that the torque was coming only at 4'000RPM and that the engine needed to be hold in high revs. What is not confortable for an everyday car. You mention for this car the sweetspot comes between 4'000 RPM and 5'000... do you have the same hole than the subaru on low revs ?
The Evo X ACD defaults to 50/50 front rear torque distribution, not 80/20 as mentioned in the video. This is NOT like a Golf R. Otherwise an accurate review.
+marc27default No, it's not like a Golf R, but this is what a Mitsubishi engineer told me prior to making this video. I'm going to have a follow up discussion to clear things up.
The ACD system does not change the torque split. The AWD system is always 50/50. How the Tarmac/Gravel/Snow switch influences the ACD Despite popular belief, this switch DOES NOT change the torque split. The differential is geared at 50:50 and cannot be changed by the push of a button. What this switch actually does is quite simple. Each setting determines how long the ACD will delay in freeing the center differential after a steering input is made. In addition, it will determine how much locking force the ACD will exhibit on the clutch pack and center differential. (10) (11) Tarmac is the setting to be used in dry, paved conditions. In this setting, the ACD will almost immediately allow the center differential to go into a free state upon detecting a steering input. Additionally, this mode provides the strongest limited-slip clamping force of the three modes. (7) (12) Gravel is the setting designed for wet or loose roads. In this setting, the ACD will delay in freeing the center differential for a moment (possibly 2-3 seconds). Of the three modes, this one has the second strongest clamping force. (7) (12) Snow is the setting designed for, you guessed it, snow. In this setting, the ACD will delay in freeing the center differential for much longer than the other two settings (possibly 4-5 seconds). Of the three modes, this one also provides the least amount of clamping power. (7) (12)
+WickedWhiteMR You know what a clutch pack does in an active center differential? It alters the torque split. Otherwise there would be no clutch pack, because an open diff is always 50/50. I'm going to attempt to make a video to clear this up.
+Engineering Explained it only delays the time it takes to lock the rear it does not change the amount of power going to the rear it's 50/50. Tarmac has no delay Gravel is 2-3 seconds Snow is 4-5 seconds The transcase is physically limited to 50/50. The "torque split" for lack of a better term is based on available traction. The ecu will adjust lock based on how much slippage between the front and rear wheels but no more than 50% will go to the rear.
Awesome review. I too own a 2015 MR. Question: the manual says not to use S-Sport mode unless you are at the drag strip. Do you think it is safe on the transmission for normal everyday driving? I have yet to try S-Sport mode.
+Cesar Diaz The shifts are quicker and the engine revs up to 7k, doesn't change gears. It's certainly not going to promote longevity, but that doesn't necessarily mean you shouldn't use it on the right road. :)
Great Video. Sad to see that car go. It would be nice i you could get your hands on a Ralliart version of the lancer and compare it to the subaru counterpart. Thanks
Great review! Would you, please, give a little bit more info on how that rear part of the drivetrain works with the planetary and clutches. Perhaps you could give me a link to some article with a view on paper or something similar. I'd be very grateful! Keep the great work up!
Commentator issues/ makes a mistaken claim I believe: here at 11:16 and again on a comparison video with Subaru STI, as regards the mileage display, after filling up with gas. The figure of 210 'potential miles' is based upon previous driving nature, habits and or use of pedal input. If you utilize acceleration in previous drive, in a higher ratio to economical and 'chilled' output, the potential miles will be limited. By comparison, I'm sure if the commentator had driven at 55 for 2 hours, the next time he turns the key -- the potential miles could almost be double. Full tank of gas on my lancer, after driving with a modicum of conscience yields a figure OVER 1000 kms.
A modern equivalent to the Galant VR4 would be cool maybe they could use the Nissan Altima as a base (considering they are going to start sharing stuff with Mitsubishi).
If you every come across an Evo 6.5, or even a 6 or 5 could you do a review on it? Bit hard to find in America I know. They were the last of the rally pure bred Evos back when Mitsubishi were still following group A homologation rules for the WRC
around 3:50 you see the steering wheel turn, but the paddle shifter's stay in place. Although they're probably long enough to where it possibly doesn't matter, that's a huge turn off for me.
You have body roll because Mitsubishi decided to have this as their "race version" of the Evo, but for some stupid reason also give it softer front suspension than the GSR to make it more comfortable on the street. Stupid choice? Yes, it is. But then again there's also a sun roof in his test car making the center of gravity much higher. Also, shifts are actually pretty smooth. I drive 60 miles a day in city and highway traffic (mostly city) and achieve 25mpg consistently even though I don't baby my car. Could Mitsubishi have done a better job? Yeah. Can this car still beat the hell out of 95% of other cars you'll be driving on the road with? Yes.
The 2015 Evo X doesn't have the Recaro seats because there contract with Recaro ran out in 2014 unfortunately.... Not the best way to finish out the legendary production run
When you first start the car its say lowest possible mpg. then you drive a couple miles and it adjusts to your avg mpg.That's why it;s over 300 usually. Ive gotten mine to say 370 ;)
Should have tested a final edition or at least a manual! I had a Evo X now I own a 15 STi. The Evo is an amazing car when you are on it but so is the Subaru. The Evo however sucks in day to day use, drone from the exhaust and the 5speed is a but quirky at slower speeds.
+Engineering Explained Looking forward to it. I know it's one of those topics that have been beaten to death, but it's still a fun comparison and always nice to see through fresh eyes, especially a fellow engineer's.
+Xmvw2X Haha it certainly has, though I was searching RU-vid and was surprised to not find very many solid comparisons. I think it'll be a fresh approach.
+Engineering Explained It's dependent on the reviewer and if that person is skilled in such a task. That can be very hit or miss. I think what's most interesting is that the new STI has finally caught up to the Evo in a number of metrics. It now has an equally quick rack, Subaru's put more emphasis on firmer bushings and driver feel in recent years(starting in the 2011 STI), and the STI now has ABS operated torque vectoring. They're really ticking all the right boxes. I don't know if you recall the press release video some time back, but it was very exciting to watch, not for the presentation but for all the key areas Subaru were improving the WRX and STI. Slightly off-topic, I do wish Mitsubishi kept in the game, but they have to pick where their development money goes. I think they could have taken a page from Honda with their SH-AWD and trickled their great Evo awd system into other cars. It could have been great branding and marketing exercise at the very least even if it was just a trim option. I think a lot of people would heavily consider an Outlander Sport with a full Evo powertrain. Heck, I could see journalists calling it a poor man's Cayenne.
+Engineering Explained I just hope it's not biased since you own a sti, anyway it's sad the the evo is saying good bye, I remember testing an 08 evo and 08 sti when brand new, boy great cars but there was a clear winner for me at the time, the evo just felt better in every way and more of a true drivers anyway I know the sti has gone a long way ever since while the evo hasn't progressed much... Anyway my love for rwd at the time won me and got a 350z HR but I know I could've been just as happy had I got any of those cars... Looking forward to Sunday!
