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Discussion Starter · #1 · (Edited)
Howdy all!

Wife and I just obtained two Foci - a 2004 ZTS and a 2007 ST with only 13.5K on the clock. We love 'em!

What I'd like to know first off is, is there any way to pep up my wife's ZTS to come closer to the performance of my ST? I just added a set of Conti Extreme Contacts; all weather extreme performance models, for her and WOW, but her wheels lack the zing of the ST.

I'm looking for a quick and easy upgrade, chip or some such, that I can do at first. Other stuff can come later.

Second, I'd like to upgrade the headlights to HIDs. Can do? If so, what would you all recommend?

Thanks in advance for your help.

Jack and Pat[wave]
 

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Sückn' n Blown
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The biggest difference between the two cars is the gear ratio. The 2004 is neutered with a 3.41 final drive while the 2007 has a sportier 3.82 final drive. Engine performance is really close, with the 2007 having about 5hp more; putting a SRI or CAI will easily close that gap (unless you end up putting on on the 2007 as well).

The 2004 is lucky as you can get a set of projector HIDs from a SVT and they will bolt in. Only way to do HIDs on the 2007 is to make your own projector retrofit, as I don't think anyone make a projector lens setup for that year.
 

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Focal Distortion
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First thing first, the 2004 zts has a 2.0L rated at 130hp and the 2007 ST came with a 2.3L rated at 151hp!
so there is a little over 20hp difference and add to it the gear ratio, and you can see why it feels slower.
Big three; cold air intake, exhaust and tune. all three should get you close to the power of the ST.
 

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First thing first, the 2004 zts has a 2.0L rated at 130hp and the 2007 ST came with a 2.3L rated at 151hp!
so there is a little over 20hp difference and add to it the gear ratio, and you can see why it feels slower.
not all the zts' had the 2.0. my 04 zts has the 2.3l. i think it's rated at 140 or 145 hp.
 

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Focal Distortion
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^^^ good to know, Thanks for the info. I guess I'll stick you my second gen 2.0l as thats what I know most about!
 

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Sückn' n Blown
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First thing first, the 2004 zts has a 2.0L rated at 130hp .
2000-2002 ZTS = Zetec
2003 ZTS = Zetec in 45 states, Duratec in Green States
2004 ZTS = Duratec
 

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Discussion Starter · #7 ·
THANKS ALL! [clap]
 
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