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Mk5 fiesta - st170 conversion- what’s involved?

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Old Jun 19, 2018 | 09:02 AM
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Default Mk5 fiesta - st170 conversion- what’s involved?

I have a mk5 fiesta Zetec S with the 1.7 Puma engine. After more power now, so was thinking of going down the ST170 route for around 200bhp. Does anyone know what’s involved in fitting and getting it running, and what other parts I need to make it work?

Thanks in advance!
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Old Jun 19, 2018 | 10:52 AM
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Slap a blower on your Puma motor. The 1.7 was originally intended to be turbocharged before Ford dropped the idea for cost reasons, and they can handle the power. It's also a lighter motor, reviver, less lumpen and nicer feeling than the 170 unit. Indeed, it's a surprise to many that the MK6 Festa ST didn't get a spruced up version of the 1.7
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Old Jun 19, 2018 | 01:35 PM
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Any idea who would do a kit?
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Old Jun 19, 2018 | 02:04 PM
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This looks rather scrumptious...

http://www.lightningmotorsport.co.uk/ford-racing-puma-turbo-conversion/

of course, if you've the equipment and the gumption you can make your own manifolds etc and use whatever suitable blower that takes your fancy.
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Old Jun 28, 2018 | 08:03 PM
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I have a mk5 zetec s with st170 engine at mine I’m doing some work on now, just made the engine mount and the o/s driveshaft bearing carrier bracket for the block
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Old Jun 28, 2018 | 09:32 PM
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Originally Posted by M K
I have a mk5 zetec s with st170 engine at mine I’m doing some work on now, just made the engine mount and the o/s driveshaft bearing carrier bracket for the block
Put some pics up, i wouldn't mind having a look! Got a zetec s myself i need to do something with.
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Old Aug 24, 2020 | 07:48 PM
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Originally Posted by M K
I have a mk5 zetec s with st170 engine at mine I’m doing some work on now, just made the engine mount and the o/s driveshaft bearing carrier bracket for the block

hi mate are you able to show some pictures of engine mount and driver shaft bracket also what gearbox are you running
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