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Old 07-21-2013, 08:08 PM   #1
Tjrommel
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SMF for mk3

http://www.focusfanatics.com/forum/showthread.php?t=321414

I came across this earlier today and thought that I would share it with you all. According to him, the ST and the NA have the same part# for the DMF that comes from the factory. The gains he posted seem a little fishy however I don't doubt it considering how hard the engine lugs when trying to do a first gear pull. If we can get a SMF for out MTX-75 on top of header and a Throttle body I don't see how we cannot have 200+ at the wheels. What are your thoughts on the subject? Does anyone know for a fact that the ST and the NA share the same flywheel, as SUSS6052 said:
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Originally Posted by suss6052 View Post
Not likely given the fact that the NA uses an mtx75 and the ST uses an MMT6 gearbox. One was developed by Ford specifically, the other is built as a joint venture with Getrag and Ford.
However, as ST3 4 Me said:

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Originally Posted by ST3 4 Me View Post
It appears that the 2.0 Duratec and the 2.0 Ecoboost have the same flywheel. according to my source there is no mention of a non DMF application for the 2.0 Duratec. with that said images show two different flywheel face designs.




EDIT:

The flywheels are the same. Part numbers for both the 2.0 Duratech and 2.0 Ecoboost match. Source: Ford Helm shop manual.

I still say pull yours to find out if they match. It wouldnt be the first time a drawing and part number have been wrong
There's some contradictions going on here and I was wondering if anyone has removed their clutch/flywheel and has pictures.


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Old 07-21-2013, 09:41 PM   #2
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Single Mass Flywheel? Is that what this post is about?
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Old 07-21-2013, 09:56 PM   #3
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That or the new SMurF mod ;)
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Old 07-21-2013, 11:31 PM   #4
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That or the new SMurF mod ;)
How can I add that to a signature rofl?
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Old 07-21-2013, 11:44 PM   #5
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Old 07-23-2013, 12:48 PM   #6
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Why is no one offering input :( this could be the item that gives us the most gains to our wheels in terms of acceleration and dyno numbers.
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Old 07-26-2013, 08:38 PM   #7
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Why is no one offering input :( this could be the item that gives us the most gains to our wheels in terms of acceleration and dyno numbers.
Because it took us 5 posts to figure out what you were talking about. Be less vague next time.
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Old 07-23-2013, 01:29 PM   #8
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Gains to wheels? I'm betting 2 maybe 3 hp up top, but with a loss or torque due to inertial difference.

Changing the mass of the flywheel will change the feel of the engine's revability, but when you're balls deep in the throttle, having a sprung 40lb flywheel, or an unsprung 25lb flywheel won't make a huge difference in overall power output at the tires, especially considering there's still a 30 pound clutch assembly attached to it.
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Old 07-23-2013, 02:02 PM   #9
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I believe an upgraded clutch assembly is included. With what you said, what's easier to start spinning? What will last longer? When you're going balls deep in the throttle what range is the most fun? Personally I'd rather do a first/second pull that slams you in your seat rather than doing a third/4th gear pull on the highway (even so it's easier to spin a lighter mass giving a noticeable benefit)
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Old 07-23-2013, 03:51 PM   #10
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"giving a noticeable benefit"

Once the clutch is fully engaged, I'd lean toward negligible, not noticeable. I'd definitely spend the money on lighter wheels before this (same concept, but much more drastic benefit), but every little bit helps in the end.
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