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McLeod Lightened Steel Flywheel - 8 Bolt (96-04 Cobra, Mach 1; 99-Mid 01 GT; 11-14 GT, BOSS 302)

Item 62628
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    Features, Video & Details

    • Lightened Steel Construction
    • 8 Bolt Pattern
    • 164 - Tooth
    • 0 oz Balance
    • SFI Certified
    • Fits 1999-Mid 2001 GT, 1996-2004 Cobra, 2003-2004 Mach 1, 2011-2014 GT, 2012-2013 Boss 302

    Review & Installation Video

    Review & Install Video

    Stephanie: Hey, guys. Stephanie with americanmuscle.com, and this is my review on McLeod's 8 Bolt Lightened Steel Flywheel that's going to work for '96 to '04 Cobras and Mach 1s, '99 to mid-'01 GTs, and '11 to '14 GT and Boss Mustangs. This 8 Bolt Lightened Flywheel from McLeod is going to be for Mustang owners that are replacing their clutch and are looking to replace instead of resurface their flywheel as well. So your two options when you're replacing your clutch are either resurface your old flywheel or go for a new one. And honestly, while you can resurface, I really think it's best to go with a new flywheel by the time you're done paying for resurfacing anyways. Plus the flywheel's really pretty important to the clutch's functioning and can dictate how well it will perform and for how long. So if you're springing for a new clutch anyways, why not give it the best components to do its job to the best of its abilities?So a bit feature about this flywheel is that it's lightened, but I just wanted to address some things with this here. Having a lighter flywheel isn't going to change the actual horsepower of the engine, but if we think of it as rotating mass, in order to accelerate, all of the rotating mass needs to be moved, like your wheels, your driveshaft, your flywheel, all of that. The more that rotating weight is, the more power and RPMs it will take to move those items and get the car moving. The less power that you car needs to speed up the flywheel, the more power available to speed up everything else. So this flywheel isn't going to add horsepower, but it will leave more available horsepower to accelerate the car and get it off the line per se.So, this is a steel flywheel that's going to weigh 20 pounds. This is lighter than the factory flywheel, but it isn't going to be as light as an aluminum flywheel. But when you're shopping for a flywheel and clutch, you really need to understand what you're looking for from these components. There are tradeoffs between going with a lighter or slightly heavier flywheel, so lighter isn't always better. It just depends on the situation.A heavier flywheel is going to be smoother overall, smoother at takeoff, smoother at idle and cruising, but as I explained earlier, a heavier flywheel will mean slower acceleration. This is why this steel flywheel is a good option for street cars and some recreational racing and in general, high performance applications that can see some spirited driving. If you have a car that still sees some street time, but you really want the highest performance possible, then you might want an aluminum flywheel instead as long as your budget agrees with that.Now, getting into a little bit more detail about this one here, it does have 164 teeth on the ring gear. It's neutrally balanced, and has that 8 bolt main pattern. So if you're shopping for a '99 to mid-'01 GT, just check your production date since the mid-'01 has a production date of June of '01. And this is SFI certified for you guys that are planning on using this in high performance or drag racing applications. As far as price goes, you're looking at between $200 and $300 for this flywheel which, like I mentioned before, is less than an aluminum flywheel with cost, and if we compare it to other steel flywheels, we will see that it's on the less expensive side there too even though it's coming from a manufacturer with a name like McLeod.When it comes to the install, it is going to be time consuming, and I would assume that you're going to be replacing your clutch with a flywheel, so we can combine it all into one. I will say that if you haven't really done anything like this before, then it wouldn't be a bad idea to take everything to a shop for this one unless you have someone in the know helping you out. I'll call this one a three out of three wrenches on the difficulty meter, and you're probably looking at about four hours' time if you do decide to tackle this yourself. If you do choose to do this yourself, I would really recommend trying to gain access to a lift. You're obviously going to be dropping your trans, driveshaft and exhaust, so performing this on jack stands could be a little bit difficult and a helping hand with this install could go a long way. You'll need a small range of different socket sizes here and some other miscellaneous tools, but nothing out of the ordinary. Just make sure to have a torque wrench though because you really should be torquing down to spec in cases like this one here. Lastly, just as a side note, don't forget about that clutch break in period no matter who is installing the clutch.Wrapping things up here, the McLeod Lightened Steel Flywheel is a good middle-of-the-road compromise between the heavy stock flywheel and an aluminum flywheel. It's a good option for owners that are looking to keep some of the energy contained in the drivetrain and have a good street driving experience. As always, check this thing out online and see what you think for yourself. I'm Stephanie, and for all things Mustang, keep it right here at americanmuscle.com.

    Peace of Mind. When replacing or upgrading your Mustang's clutch you have two options, resurfacing your old stock flywheel, or getting a brand new flywheel. A new flywheel is a much better choice than resurfacing, as it will dictate how well your new clutch will perform, as well as how long it will last.

    Steel Construction. Manufactured from steel for extra strength, this McLeod Flywheel features a ring gear of 164 teeth, an engine balance of 0 oz, and an eight bolt main pattern. Steel flywheels are perfect for street and race applications where off the line acceleration is desired.

    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 McLeod Flywheel fits the 1999-Mid 2001 GT, 1996-2004 Cobra, 2003-2004 Mach 1, 2011-2014 GT and 2012-2013 Boss 302 Mustangs with an eight bolt main. This is the perfect companion to your new McLeod Clutch.

    Technical Note.
    This McLeod flywheel has an 8 bolt main that is found in the 1999-mid 01 Mustang GT's with production date ending on 06/01, 1996-2004 Mustang Cobra's, 2003-2004 Mach 1's, 2011-2014 GT's and 2012-2013 Boss 302.

    Please Note. Romeo built engines have 6 bolt cranks and Windsor built engines have 8 bolt cranks. If the 8th character in the VIN is an "X" its a Windsor block, if the 8th character in the VIN is a "W" it is a Romeo block. There is an exception to that rule as the 2001 Bullitt Edition Mustang feature a Romeo built engine. If unsure please check with your Ford dealer to determine if you have a 6 or an 8 bolt main.

    Fitment: 1996 1997 1998 1999 2000 2001 2003 2004 2011 2012 2013 2014 Details

    MPN# 463458

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

    What's in the Box
    • (1) Flywheel
    Installation Info
    Tech Specs
    Flywheel Specifications
    Year/Model:99-Mid 01 GT, 96-04 Cobra, 03-04 Mach 1, 11-14 GT, 12-13 Boss 302Manufacture:McLeod
    Material:SteelBolt Pattern:8 Bolt
    Hardware Included: NoneSFI Certifited:Yes
    Will it fit my Mustang?

      Customer Photos (20) Submit Your Photo

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        Questions & Answers (18)

        5 Top Rated Questions

        can I use exedy clutch with McLeod flywheel? thanks alot

        • It is recommended to use a matching brand clutch and flywheel, but you would be able to use an Exedy clutch on a McLeod flywheel.

        Helpful (2)

        Will this work with a McLeod RST clutch?

        • The McLeod Lightened Steel Flywheel will work with the McLeod RST Twin Disc clutch.

        Helpful (1)

        How much does this flywheel weigh? Will the Ford dowel pins work with this , since there are none included with the wheel?

        • This flywheel will weigh about 20 lbs and is compatible with the Ford dowel pins.

        Helpful (1)

        Im wondering if this flywheel works with exedy mach 500 stage 3 clutch. Clutch comes with 3 dowel pins would they fit? Thanks i appreciate it

        • The McLeod Lightened Steel Flywheel would work with the Exedy clutch, however it is recommended to use an Exedy flywheel. The dowel pins should be able to be used with this flywheel.

        Helpful (1)

        Does this flywheel fit a spec stage 2 clutch?

        Post Your Question
        10 More Questions
        Does this flywheel come with alignment studs for the pressure plate alignment? Or, would I have to purchase them separately? First time purchasing a McLeod product. Looking at the pictures of previous installs I couldn't discern if they were used. Thank you. 1 answer
        will this work with a stock clutch on 12 mustang gt? 1 answer
        Will this work with a Centerforce Dual Friction 600 hp Clutch? 1 answer
        what are the torque specs for this flywheel? 1 answer
        Will this work with my t-45 mated to a coyote? 1 answer
        Will it work fine with a stock oem clutch? Or do I have to have a McLeod clutch? 1 answer
        I'm planning on purchasing this for my 2014 5.0 will i need new bolts or can i re use mine? 1 answer
        what is better lightened steel or aluminum and what are the differences between them. i making a coyote swap with stage 3 cams COYOTE swap 1 answer
        Is the steel or aluminum flywheel better for a street car, with occasional track outings. Looking to use the McLeod RST with a VMP stage 2 set up, just not sure which flywheel is right for this set up. 1 answer
        what is better for flywheel with RST clutch ( lightened steel ) or ( aluminum) and what are the differences between them . Warning:- ( my car is 2011 Gt stock ) 1 answer

          Customer Reviews (46) Write a Review

          Overall Rating 4.8

          out of 5 stars

          Installation Time:Full Day

          Installation Cost:$250-$500

          • Fit 4.85 4.9
          • Bang For Your Buck 4.65 4.7
          • Grip / Bite 4.794872 4.8



          • 5/5

            November 10, 2019

            Flywheel

            Great flywheel doesn’t chirp when idling and smooth running.

            VoodooMitch

            Year: 2004 Submodel: Mach 1

            Helpful (0)

          • 5/5

            August 19, 2019

            Working as intended

            No ill effects from being 8 lbs lighter.Just put on headers as well as clutch and flywheel. Waiting to find a good tuner.

            Rick

            Year: 2003 Submodel: Mach 1

            Helpful (0)

          • 4/5

            Installation Time: Afternoon

            August 11, 2019

            T56 McCleod 2V

            The quality of this flywheel is easy to see. I've used it through several clutch swaps, and its stayed in great shape along the way (resurfacing each time of course).

            DamionB

            Year: 2000 Submodel: GT

            Helpful (0)

          • 2/5

            Installation Time: Afternoon

            July 12, 2019

            Does Not Fit Ford Mustang GT Clutch

            I happened to have my stock clutch from my 2011 Mustang GT track car, which came out at under 3K miles. We go to bolt the STOCK GT clutch up to the McLeod flywheel, and it doesn't work! The machining is wrong. I can abide McLeod saying we don't support an Exedy clutch, nowhere does this aftermarket clutch say it's not 100 interchangeable with the STOCK clutch. Other than not working, and doing an RMA, the quality looked strong. However, ensure that your clutch will work with this flywheel, especially if it's not a McLeod clutch. I recommend the Ford Performance one after this recent craziness. Lastly, AM was a great help and got a Ford Performance clutch to me ASAP! After this experience, I've crossed McLeod off the list for any future projects. Don't make an OE replacement part that doesn't fit OE parts.

            pugboy75

            Year: 2011 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $1000+

            July 11, 2019

            A

            Fits perfect and lighter is always better took me a month full of weekends to pull the tranny and install.

            Calebdaddy

            Year: 2003 Submodel: Cobra

            Helpful (0)

          • 5/5

            Installation Time: Weekend

            May 23, 2019

            Rene palomo

            Amazing no problem to install and works well act hd race clutch fun to drive

            ReneP

            Year: 1999 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Weekend

            January 18, 2019

            perfect fitment.

            installed the clutch and Pressure Plate and very soft pedal love it.

            Gman

            Year: 1998 Submodel: Cobra

            Helpful (3)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $500-$1000

            January 01, 2019

            Mcleaod Lightened Steel Flywheel

            The flywheel is lighter than the stock flywheel, replacing it from the Ford racing flywheel

            Tracy

            Year: 2003 Submodel: Cobra

            Helpful (3)

          • 5/5

            Installation Time: Shop Install

            November 09, 2018

            Freed up HP!!

            This flywheel didn't add any HP but it has freed up some power. I have not had any issues with misfiring or crank relearning. There is some chadder under low RPM lugging. The combination with the Mcloed RST clutch is phenomenal.

            MogleyC

            Year: 2015 Submodel: GT

            Helpful (7)

          • 5/5

            Installation Time: Less than 1 Hour

            November 06, 2018

            Definitely worth it.

            I bought this with a McLeod twin disc clutch. I tried looking for flywheels here in my area at auto parts store and not so many carry them any more for 04 cobra. I’m still breaking in the clutch but from what I’ve felt, no slip.

            AntonioS

            Year: 2004 Submodel: Cobra

            Helpful (5)

          • 5/5

            September 28, 2018

            2003 Mustang cobra

            Great product, works great. I’m happy with how the performance is with this product. Definitely recommend to everyone looking for something smooth that handles great 2003 Mustang cobra

            Modsjaun

            Year: 2003 Submodel: Cobra

            Helpful (6)

          • 5/5

            Installation Time: Full Day

            September 10, 2018

            Great!

            Installed this with the RST twin clutch. Rev matching and general shifting is a lot easier. I should have purchased this a long time ago.

            Amaz15

            Year: 2012 Submodel: GT

            Helpful (6)

          • 5/5

            Installation Time: Afternoon

            September 04, 2018

            Works well with my new clutch

            Decided to replace it all when I dropped the tranny for the clutch. Works great with my exedy stage 3 (MACH 500). Took my buddy and I about 3 hours to drop, install, and reinstall the tranny. Plus another hour to bleed the whole setup properly.

            Zach

            Year: 2013 Submodel: GT

            Helpful (7)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $250-$500

            August 29, 2018

            Lightened Steel

            Had this flywheel installed with a McLeod RST dual clutch. Wow! What a difference. The clutch is super light, and after breaking them in, the power is instant. Great buy!

            StephenK

            Year: 2011 Submodel: GT

            Helpful (5)

          • 5/5

            Installation Time: Afternoon

            March 28, 2018

            Great!

            Definitely lighter than the stock flywheel. Also bought a McLeod street pro clutch kit to go with.

            RyanB

            Year: 2003 Submodel: Mach 1

            Helpful (10)

          • 5/5

            December 15, 2017

            The more you know

            Some things not covered in the video ... For street and light strip use, a flywheel has to be heavy enough to get a car off of the line. Being only one pound lighter than stock for '11-'14 GTs, this has a subtle improvement in acceleration and still has enough mass for stock geared cars. Note that total mass isn't the only thing: The further out from the center the mass is removed, the greater its effect on reducing flywheel inertia. This one has the weight removed fairly far out so it performs better than just the loss of one pound would suggest. If you have 3:55 or lower (numerically higher) gears then the even lighter chrome-moly flywheel will de/accelerate even quicker and still get the car moving off of the line. This also improves how quickly the engine bleeds RPM getting to the next gear for faster shifts, and reduces transmission synchronizer wear. Ford recommends always using new bolts, though after inspecting them I've had good luck using the originals with adding blue thread locker. Can't go wrong with new Ford or ARPs though.

            Fearlesfil

            Year: 2011 Submodel: GT

            Helpful (24)

          • 5/5

            Installation Time: Shop Install

            November 29, 2017

            Lightened flywheel

            great product. Had this installed so I have no hands on to report back.

            jpbaily1

            Year: 2011 Submodel: GT

            Helpful (9)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $250-$500

            November 21, 2017

            Nice!!

            You can feel the difference as soon as you step on it. great Product. If your'e changing your clutch, might as well do the flywheel.

            BlueDream

            Year: 2014 Submodel: GT

            Helpful (12)

          • 5/5

            Installation Time: Full Day

            November 12, 2017

            Great grip, great quality

            Bought this to go with the RST clutch. Great driveability, can definitely tell a difference from the stock flywheel. No more bucking in lower RPMs and it takes less throttle to get off the line due to increased mass.

            TVScs50

            Year: 2014 Submodel: GT

            Helpful (11)

          • 5/5

            Installation Time: Full Day

            November 03, 2017

            yesssss

            the quickness of the power pick up is amazing. Talk about going thru the gears quickly. It blew me away. What I have been missing in my Boss its whole life.

            nelli

            Year: 2013 Submodel: Boss

            Helpful (15)

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