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Exedy Lightweight Racing Flywheel; 8 Bolt (15-17 Mustang GT)

Item 387550
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      Video Review & Installation

      The 8 Bolt Exedy Chromoly Flywheel that we have here today would be a great option for all 2015 through 2017 GT owners who are looking for a lightweight option to shed some rotational mass, which in turn is gonna help your car pull through those gears a little bit quicker. Now, this SFI-certified option does weigh in at right around 16 pounds, thanks to that very lightweight yet incredibly strong chromoly steel design and can be had here on the site for right around 400 bucks. Now, install as you might imagine, is gonna get a strong three out of three wrenches on the old difficulty meter and take you at least four hours or so to complete from start to finish. But if you hang with me for a bit, guys, we're gonna walk you through some of the basic steps later on in the video.So, making the switch to a lightweight flywheel has been a very popular choice for decades now, especially for gear heads who are looking to shave some weight from their drivetrain, which in turn again is gonna make the car a little bit more rev-happy. Now, this is certainly not going to equate to any crazy horsepower gains or anything like that. But what it will do is help that car pull through those RPMs a bit quicker, and overall make the engine just feel a little bit more responsive while revving. Now, that change in responsiveness is the direct result of eliminating nearly 10 pounds when compared to your factory flywheel, thanks again to that lightweight chromoly steel build. Now, sure there are gonna be other options out there in the aftermarket that might be a bit lighter, such as an aluminum flywheel for instance. But at right around 16 pounds, the Exedy is gonna ditch enough weight to be completely noticeable but at the same time without any of the let's call them drivability challenges that can sometimes come from losing too much weight which makes the car a little tougher to drive due to the big loss in inertia. As we mentioned earlier, the Exedy is SFI-certified and has actually been tested up to 18,000 RPM without failing.Now, unlike other flywheels that utilize a two-piece ring gear and flywheel design, the Exedy is gonna integrate those ring gear teeth into the one-piece designed here, again, that chromoly steel which by the way is a little bit stronger overall when compared to say an aluminum option. Now, you're also gonna notice that Exedy does include these four little cutouts here in the center. These are actually there in place to help act as a fan almost cooling the clutch in the process, which let's be honest, as we all know, heat is an enemy of performance, especially with clutches. A hot clutch can be a slipping clutch and especially when we're talking about maybe an organic material clutch, like a stage one or an OE option. Now, speaking of clutches, Exedy does strongly recommend using this flywheel along with a corresponding Exedy clutch of your choosing. And with that in mind, they do offer a wide variety of options from your bone stock daily drivers, all the way down the line to your high horsepower drag cars and everything in between. So again, feel free to check out their complete selection here on the site when you're thinking about a replacement.But now we wanna get into the installation process as promised earlier. And listen, guys, if you don't have the skills or tools necessary to handle this job, we strongly recommend leaving this one up to your local shop. On the other hand, if you're a big do-it-yourselfer, then we're gonna show you some of the basic steps. Now, keep in mind, obviously, this job will involve removing things like your exhaust and your driveshaft in order to drop the transmission and that's where we're gonna pick things up with our video. We're gonna talk you through the job, including the stock clutch removal and flywheel removal and then we'll install a brand new Exedy clutch and this flywheel right now, check it out.Tools used for this installation include an impact, 3/8 ratchet, assorted extensions, 19-millimeter socket, 12-millimeter socket, 8-millimeter socket, some blue Loctite, pick tool, flathead screwdriver, torque wrench, dead blow hammer, regular hammer, and a flywheel holder tool.All right guys, so again once you get through all the basic steps of getting to the clutch and flywheel, dropping your exhaust, removing your driveshaft, getting rid of that starter, and eventually dropping the transmission itself, you'll be left with this, your stock or aftermarket clutch depending on your situation. Now, what we need to do before we get the new Exedy stuff in place is obviously remove our factory clutch and flywheel. To do so I have a 12-millimeter socket and a short extension. You can use whatever you like but as long as it's 12-mil, I got a wobble, makes it a little easier, and there's nine bolts we have to remove which we'll do right now. All right, guys, we got our last bolt coming out here, make sure you have a hand on the pressure plate because this will come off the dowels if you're not careful. All right, with the stock clutch and pressure plate out of the way, now we have our 19-millimeter socket on our half-inch impact, we're calling out the big dogs because we're getting ready to remove our flywheel bolts up next. Now with all of our bolts off, I have a nice little pry bar here to kind of help the flywheel come off. Obviously, it's not just gonna fall off on you, you gotta get behind it a little bit and kind of work it off.All right, with our stock flywheel removed, we figured it'd be a great opportunity to throw them both on the table here, kind of do a little compare contrast. And first things first, guys, the weight savings, right? It's pretty obvious in the shop handling both of these things. Stock flywheel is gonna weigh in around 23 to 25 pounds, Exedy about 16. So, almost 10 pounds of difference, that's pretty huge when we're talking rotational mass. Again, car's gonna rev a little bit quicker, just feel a little bit more responsible overall, and is one of the big perks about going with something like this. We did talk about briefly in the studio there, these little cutouts in the center section. Again, this is gonna help move that air over your clutch and that's gonna help keep things a bit cool. I always like to say a hot clutch is a slipping clutch. And Exedy is one of the only manufacturers when it comes to flywheels to do something like that. I always like to point that out. You can see the extra machining here to help lose some of the weight with the chromoly steel, certainly some more material removed compared to your stock flywheel, which is basically just solid iron. And then we have the integrated ring gear teeth here as well. It's not a two-piece design, which other manufacturers use, can be a failure point, nothing to worry about with the Exedy. So, now that you know some of the differences between the two, what do you say we show you how to get this installed?Now, before we go ahead and install our brand new Exedy flywheel, we need to remove the old factory pilot bearing and install the new one that Exedy included with the kit. In order to do so, it definitely requires some specialty tools, a bearing puller, something like that. There is a specialty pilot bearing tool or remover that we're gonna use along with a slide hammer, we're gonna show you how to do that right now.All right, so for our pilot bearing tool, again, you got these two little arms here, we wanna insert that in first. There we go. And now we're gonna rotate this to the right, and that's going to expand those fingers, you can actually feel it grabbed the back of that pilot bearing. Make sure that's nice and tight. We're gonna grab our slide hammer now and yank that out of there. Now, we have our slide hammer here, we're gonna insert it and thread it into place. So, with our slide hammer threaded in the place, now we can just basically start hammering it out. With our old pilot bearing out of the way now we can just go ahead and remove that grease that's in there because we're gonna regrease it and then install a new bearing. Now we got a little dab of grease here, nothing crazy. You don't need to load it up but just kind of work it around the edges there where a new bearing will go into place. All right, so now that we have our new pilot bearing in hand, I threw a little bit of grease on it as well. And you really wanna make sure this goes in straight. So, I got a 1-inch socket along with a tiny hammer. And basically what you wanna do is get it started, use the socket, and then just basically kind of gently tap it into place, make sure it goes in straight. And then once you got it started, go ahead and send her home. I kind of like to tap around. You can see it almost starting. Then once you're happy with how it's going in, go ahead and call on the big guns and send her home. There is a little lip on the outside of your new bearing. So, that'll tell you when to stop.Now that we're finished up with that pilot bearing, we are just about ready to throw the new Exedy flywheel in the car. But before we do, we wanna make sure we get the dowels installed into the flywheel first, it's a lot easier to do with the flywheel laying flat out of the car. So, to do so I have a couple of pieces of wood to use as a base. And then I also have the pressure plate as you guys can see right here. And this can really only go one way to line up all your holes. So, it might take a little while to make sure you can line up all six in this case of your holes. But you also need to make sure you can see some dowel holes which in this case, there'll be three. I made a little mark with my paint marker here. And so, basically, we're gonna take this back off, mark our dowel holes, and then tap those dowels in the place.All right. So, I'm just gonna mark each hole here for my dowels. With my holes marked, I can now get the pressure plate out of the way, we can work on tapping our dowels in. So again, this is another one of those cases just like our pilot bearing, you wanna take your time, tap it in, make sure they go in straight because it's not really fun trying to get these things out if you go in a little crooked. I found having a couple pieces of wood help stabilize the flywheel itself. I like to use a little hammer in this case, a little bit more precision, and then just lightly tap it in the place.So, now that we have our dowel pins in place, it's time to get the Exedy flywheel up onto the back of the engine. Now, our center section here is a little tight, so I am gonna incorporate a dead blow to get it over the pilot bearing there, but you wanna really make sure that your holes are lined up here, guys. This is kind of like the pressure plate thing that we talked about earlier. It really can only go on one way. So, just eyeball it first and then make sure it's going on straight.With our flywheel in place now we're going to reinstall our factory bolts. Now, you can certainly upgrade to ARP hardware, something like that if you'd like. But for the purposes of this video, we're just gonna reuse our factory flywheel bolts. Always important too, I like to use blue thread locker on these bolts along with our pressure plate bolts, as you'll see in a minute. But just a little dab will do ya here on the flywheel bolts just to make sure they don't back out.With our Loctite applied to all of our bolts, we're just gonna start them by hand, run them in, and then we obviously have a torque sequence to go over which is very important. So, now I have a cordless impact set to the absolute lowest torque setting. The purpose here is not to hammer them down, but just to kind of run them in, snug them up, and then we'll go back and do our torque sequence with our wrench. As you can see, I'm barely applying any pressure. The purpose there is just to take some of the slack out of the threads. That way when we get our torque wrench on it we're not turning it forever.Now we're gonna go ahead and do our torque sequence here with our flywheel bolts. Exedy states to just torque this thing down to factory specs which is just 70 foot-pounds here. So, I have my torque wrench, we have our 19-millimeter socket, and at this point, you can either use something like this which is a flywheel holder tool, basically turns this into a one-man job, or if you have a buddy around you can recruit them in the holding the flywheel for you, putting a socket on the crank sprocket, there's a couple of different ways to do that. But basically, the goal is here to prevent that flywheel from spinning so you can get an accurate torque rating here on each bolt. More importantly, you wanna go in the star pattern. I know that's kind of something a lot of people know but if you don't know, you don't wanna just go around in a circle, go in a star-like pattern around the flywheel just to make sure it's distributed equally. So, now that we have our tools we're gonna get to work.So, with our flywheel fully torqued down, I have some Brakleen and a clean rag, and the goal here, guys, is to clean the entire surface of your brand new flywheel. Why? Well, because any assembly oil, any dirty grease or handprints on that thing can basically compromise the grip or the bite of your brand new clutch. So, you wanna get all that stuff off first before we go ahead and install our friction disk and eventually our pressure plate as well. All right, guys, with that flywheel nice and clean that's gonna wrap up the installation of the Exedy flywheel by itself, but if you wanna hang out with me for a bit we'll walk you through the install of our Exedy clutch up next.All right, for the first step here for our clutch installation, we have our clutch alignment tool going through the splines of our friction disk. The side that kind of has the hat on it goes out towards the transmission, the flat side as you guys can see goes towards the flywheel itself. Now, you wanna stick the little nub here of the clutch alignment tool into where the pilot bearing goes, and then that'll basically hold the clutch in place while you can put the pressure plate over top.All right. So, again just wanna stick the alignment tool here into where the pilot bearing goes. That again will hold your disk in place but for now, we're gonna grab our pressure plate and get it lined up. Now, earlier if you remember, guys, I marked the flywheel and the pressure plates, I'm gonna line my little marks right there and slide everything over those dowels. So, here we need to make sure we get our dowels aligned. And, once we do, a little dead blow action will be the ticket. But now I'm gonna grab my dead blow here and just tap it onto the dowels. With our pressure plate now sitting on the dowels, I have some bolts here along with some blue Loctite, again, very important step. We're just gonna put a little dab on each bolt here before we get it into the pressure plate, and again there is another star pattern involved along with some torque settings that we're gonna tell you about once we get there, but first let's prep our bolts. With our bolts prepped, now we're gonna go ahead and install them into the pressure plate. Again just kind of hand tighten them, maybe snug them up with a socket wrench, and then we're going to go back and do our torque sequence to 47 foot-pounds.All right, guys, we're in the homestretch here with our clutch install, now we have our torque wrench set to 47 foot-pounds, 12-millimeter socket. And again this is one of those situations where your flywheel will probably end up turning on you. So, I have my little one-man-band flywheel holder tool but you can grab a buddy, have them help you hold the flywheel, again put a socket on the crank pulley, whatever you wanna use. So, let's tighten these up again in that star pattern, very important. All right, guys with that pressure plate fully torqued, essentially the clutch itself is complete.That's gonna wrap up the installation of the Exedy flywheel. We hope you enjoyed this review and install, and keep in mind for more cool products and videos like this keep it right here at americanmuscle.com.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

      • Designed to Reduce Weight
      • Enhances Airflow for Cooling
      • 8 Bolt Pattern
      • Billet Chromoly Steel
      • SFI Certified
      • Intended for Use with Exedy Clutches
      • Fits 2015-2017 GT

      Description

      Peace of Mind. When upgrading to an Exedy performance race clutch resurfacing your old stock flywheel just won't cut the mustard. A brand new matching flywheel is a much better choice than resurfacing, as the flywheel will dictate how well your race clutch will perform, as well as how long it will last.

      Engineered For Better Response. Made from one piece solid billet chromoly steel forgings, Exedy Race Mustang Flywheels are specifically engineered to reduce weight and inertia for improved engine response. This Race Flywheel incorporates special design features to enhance air flow to improve the cooling of the clutch.

      SFI Certified. If you're using this flywheel in high performance or racing applications, SFI Certification is critical so you can run your Pony at the track or strip. And it's great for peace of mind even in a daily driver - at higher RPMs, stock cast flywheels have been known to explode.

      Application. This Exedy Racing Flywheel fits the 2015-2017 GT Mustangs with an eight bolt main. This is the perfect companion to your new Exedy Clutch.

      Fitment:

      Details

      Exedy EF502A

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Flywheel

      4.8

      Customer Reviews (195)

        Questions & Answers

        10 More Questions

        Will It Fit My Mustang

        • GT - 15, 16, 17

        Fits Manual Mustangs with a 8 bolt main only

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