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Discussion Starter · #1 ·
hello to all,

Me again and this time is the clutch upgrade and gearbox rebuilt. If anybody may remembered I have put a LSD and 4.75 ratio final drive into a MTX-75 gearbox out of a 2006' Foci MK2, then bolted on a 2012 Focus S. Well, there was a minor issue with shifting, since I bought a used gearbox and I didn't check each gears' synchro-tooth. The 2nd and 3rd wasn't snappy and they went like cranky/clicky-click. I took the gearbox apart and found the 2nd and 3rd gears are on its way, as well as their slides,I need to replace them, then I found a partial MTX-75 without outer shell from scarp yard but it's 2nd gear are gone, I ordered a brand new 2nd gear from Ford then I used the 3rd and two slides from the scrapped tranny.

All set, by the time I received my SPEC kit, so I installed is by the way. I really need to replace it because I think I fried the clutch during track days.

OK, picture time !!

The no-good 2rd gear and slide:
ImageUploadedByTapatalk1417953741.934825.jpg
ImageUploadedByTapatalk1417953799.602587.jpg

The "partial MTX-75" :
ImageUploadedByTapatalk1417953844.669475.jpg

Brand new Stage one kit and super lightweight flywheel:
ImageUploadedByTapatalk1417954086.804360.jpg
ImageUploadedByTapatalk1417954122.155644.jpg
ImageUploadedByTapatalk1417954151.053282.jpg
ImageUploadedByTapatalk1417954176.505465.jpg
ImageUploadedByTapatalk1417954262.932742.jpg
ImageUploadedByTapatalk1417954290.040088.jpg

The factory fried clutch
ImageUploadedByTapatalk1417954315.045143.jpg

to be continues...
 

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Discussion Starter · #2 ·
Now the work-in-progress:
ImageUploadedByTapatalk1417954626.524882.jpg
ImageUploadedByTapatalk1417954665.218744.jpg
ImageUploadedByTapatalk1417954701.051440.jpg
ImageUploadedByTapatalk1417954721.103068.jpg
ImageUploadedByTapatalk1417954868.458422.jpg
ImageUploadedByTapatalk1417954904.135609.jpg
ImageUploadedByTapatalk1417954924.386847.jpg

Verdict:

Now the gearbox has been fully fixed/rebuilt, no more dramatic "clicks", shifting becomes or I should say restores back to stock but I can feel more powerful. However the buzzing noise from the final gear and mainshaft still remains. Well, the noise doesn't hurt only with the extra 20% torque. As for the clutch, I would say fantastic. The pedal feels lighter than stock but with more rebounds, shorter throw too. Thanks to the lightweight flywheel and short throw shifter, the shifting is way faster than stock. I need to start getting used to the new clutch and practice more.

Long work in short, I am pretty happy with the result and money I put in. I would recommend this mod to everyone.

Feel free to share your opinion,


Neo
 

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Discussion Starter · #10 ·
Awesome! Thanks for being the first, and thanks again for having pictures!

You are more than welcome.
Because there are not many tranny/engine mods on the MK3 around, I believe leaving some trails for now and people may refer to this tread when they need to.
 

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I've read somewhere on this forum that the Duratec Ti-VCT need the dual mass flywheel for the engine vibration otherwise could lead to engine failure over time...

I think it was someone reputable from steeda explaining why they didn't have flyhweel for the TI-VCT..

Please correct me if i'm wrong...
 

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How could steeda know this they havent tested it over a long time ?

The duel mass is more for weight mass and vibration on engagement then balancing the engine , the Alum flywheel will balance the engine the same if its a good name brand

Tom
 

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Discussion Starter · #16 ·
I've read somewhere on this forum that the Duratec Ti-VCT need the dual mass flywheel for the engine vibration otherwise could lead to engine failure over time...

I think it was someone reputable from steeda explaining why they didn't have flyhweel for the TI-VCT..

Please correct me if i'm wrong...
well, my SPEC flywheel feels pretty strong and the very responsive engagement. I can feel the extra power sending to the gearbox. I even doubt that the chassis isnt strong enough to hold each red-line shift. I just installed a CFM rear motor mount to help stiffning the chassis.

Neo
 

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This is awesome, i was hoping someone dove into this!
My 5spd feels gummy and slow so a clutch/gearbox upgrade is something ive really been looking for.
 
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