Ford Fiesta ST
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#266066 - 20/12/10 11:28 AM MTX75 Conversion
SiCo Offline
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Registered: 14/09/09
Posts: 360
Hi guys,

I have just finished a conversion for myself and a customer this weekend so thought I would put some pics up.

As some of you know I am building a turbo conversion for my BeaST (I hope Kaxe doesn't have copyright on that ) and one of the main issues with this is the gearbox. Ford rate them to about 225lb/ft torque but I see a few every week breaking on 20k mile cars with nowhere near that power. Thats why I chose the MTX75 option - every other 2.0 duratec apart from the ST150 runs them without issue and its a tried and tested solution.

Finally finished as much as I can do without putting it into the car and the customer came and picked his up and was very happy I am hoping to get some more uprated shafts next year as I know a few high powered SC owners want to do this conversion. My customer has a SC conversion and was running an uprated IB5 but that gave way so he decided to go all out with an MTX75. I was hoping he was going to fit his soon but I think I may have talked him into a forged turbo conversion so might be making a kit for him soon

Anyway, here are some of the pics:

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#266067 - 20/12/10 11:47 AM Re: MTX75 Conversion [Re: SiCo]
Tez Offline

Registered: 03/01/09
Posts: 2509
well done fella.
Fiesta ST200, K&N Panel Filter otherwise standard for now.

#266068 - 20/12/10 12:19 PM Re: MTX75 Conversion [Re: Tez]
SparK Offline

Registered: 12/03/10
Posts: 5269
Loc: Malta
looking good there bud

#266069 - 20/12/10 02:07 PM Re: MTX75 Conversion [Re: SparK]
Kaxe Offline

Registered: 01/07/08
Posts: 8157
haha thanks for the mention!
That's siiiiick mate keep it up!
Mk2 Focus RS - MR375

#266070 - 20/12/10 10:42 PM Re: MTX75 Conversion [Re: Kaxe]
Alex_H Offline

Registered: 01/03/09
Posts: 15061
Loc: SE London
So this is a much stonger/better gearbox then?

#266071 - 20/12/10 11:05 PM Re: MTX75 Conversion [Re: Alex_H]
SiCo Offline
Site Supporter

Registered: 14/09/09
Posts: 360
Yes it is a far better box - that said they way a ton and moving them to take those pics has taken its toll on my back
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#266072 - 20/12/10 11:07 PM Re: MTX75 Conversion [Re: SiCo]
Alex_H Offline

Registered: 01/03/09
Posts: 15061
Loc: SE London
Nice one Shame they wasn't offering those when I had mine repaired/replaced

#266073 - 25/12/10 07:02 PM Re: MTX75 Conversion [Re: Alex_H]
Geo_F1 Offline
Site Supporter

Registered: 15/07/08
Posts: 128
Loc: Athens
wow!!!I am interested in that!!!I will follow this topic!!
2.3 engine,Supercharger,Intercooler,Cosworth inlet,Quaife diff,Dreamscience,Full Milltek,KW Variant 1,AP Racing brakes 330mm.

#266074 - 03/01/11 10:46 AM Re: MTX75 Conversion [Re: Geo_F1]
SiCo Offline
Site Supporter

Registered: 14/09/09
Posts: 360
It sounds ideal for you mate.

I am just waiting to see how he has got on with fitting it or if he is going to do it with a forged engine in a few months.
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#562511 - 23/02/18 09:39 PM Re: MTX75 Conversion [Re: SiCo]
Afghantrooper Offline


Registered: 28/07/17
Posts: 2
Loc: Bracknell
Hi, are you still using the drive shafts from the Fiesta ST? Iíve got mtx75 gearbox from a Mondeo mk3, just need some input before I start striping both cars down. Do you use the st drives shafts, clutch and selector cables etc and does that he box bolt straight on? Any help would be awesome &#128526;


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