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Whats the difference between the Focus and Puma 1.4 zetec?

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Old 30-08-2016, 04:08 PM
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~phoeny~
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Default Whats the difference between the Focus and Puma 1.4 zetec?

Hello

I drive a Ford Focus MK1 with a 1.4 Zetec engine. For some reason it only has 75HP. The original 1.4 from the Ford Puma has 90HP.

What do i have to change to get those 90HP?

so far i found that the intake manifold is bigger on the puma and the airbox has a better position. I guess there are differences in the ecu. i dont know about the throttlebody. is there anything else they changed?

Last edited by ~phoeny~; 30-08-2016 at 04:10 PM.
Old 30-08-2016, 05:04 PM
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doga-ot
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On the focus 1.6 and fiesta 1.6 the focus has better gearing if that helps may be same for the 1.4
Old 31-08-2016, 08:22 AM
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~phoeny~
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How does the gearbox change hp? I thought that is an engine thing?
Old 31-08-2016, 07:08 PM
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martysmartie
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Originally Posted by ~phoeny~
How does the gearbox change hp? I thought that is an engine thing?
It doesn't, and yes it is.

They are the same engine, but it had to be detuned for emissions reasons.

As you say, I suspect the mapping to be different.

Martin
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