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Old 08-21-2005, 04:08 PM   #1
Torche
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Just got a focus..some questions

yesterday i just got a eggyolk yellow, 03 ZX3, and i really want to work on the engine, the performance and such.

now unfortunately, i dont know much about the Focus, i used to be a big Camaro fan, so i didnt study up much, but now that ive got it, i like it alot, and i figured you guys would be able to guide me in the right direction

im not sure what the first thing i should do is, but i was thinking along the lines of a cold air intake, and maybe some Rapid Fire spark plugs as the first minor things to do...im not sure how much horsepower thats going to give me extra, or even if those are the right first steps
if you guys could help, id appreciate it.

thanks


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Old 08-21-2005, 04:09 PM   #2
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^^ Intake/Exhuast/Headers/Tune
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Old 08-21-2005, 04:16 PM   #3
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exhaust/headers/tune?

care to elaborate? im not very expierienced with cars..
love them, but never really thought about getting into them until now

but with the intake, i saw an iceman cold air intake for just under 200...are they difficult to install?
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Old 08-21-2005, 05:29 PM   #4
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Skip the Rapid Fire spark plugs - it's unlikey to do anything but lighten your wallet.

You didn't mention which engine is in you car - Zetec or otherwise?

Intake: improve inlet airflow. Plenty of choices. Look for something that is proven on a dyno.

Exhaust: improve outgoing airflow. Some exhaust choices will give better sound, and some will make you car slower (insufficient backpressure can worsen low-end torque). Choose wisely. Unless you're going to do forced induction (turbo or supercharge) getting too much flow here will suck the life out of your car.

Headers: This is the part that goes before the exhaust, coming off the engine. A set of tuned headers can make a big difference in performance. This is generally a good idea to do if you're going with an all-out exhaust setup.

Tune: You can buy a device which will flash the computer in the car with a "tune". The tune will be geared towards more power, or changing the power curve so it's more useable on the street, or on the track, etc.
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Old 08-21-2005, 06:23 PM   #5
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yea once you let us know what engine you got then we can help out more. Easy way to find this out, pop the hood, if the engine says zetec then its a Zetec, if theres a big mess under the hood, and wires all around lol and the intake is closest to the front of the car, then its the Duratec.
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Old 08-22-2005, 05:59 AM   #6
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oh, its a Zetec, forgot to mention that.

whats the big difference between the zetec and the durotec, besides the .3 litres?

and if the exhaust choice is so dangerous..what should i look for? i was thinking like..a basic magnaflow exhaust to go with an iceman intake...
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Old 08-22-2005, 01:58 PM   #7
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Quote:
Originally posted by Torche
oh, its a Zetec, forgot to mention that.

whats the big difference between the zetec and the durotec, besides the .3 litres?
Completely 2 different engines. The Zetec is pretty old, while the Duratec is a new engine developed by Mazda.

The stock Z20 puts out 130hp/135lb-ft,
the D23E (PZEV) puts out 144hp/149lb-ft,
and the D23 puts out 151hp/154lb-ft.
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Old 08-22-2005, 02:03 PM   #8
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go with a focus sport Cold air intake, magna flow is a good exhaust and plugs are a good thing, then some headers a pulley, then for a big boost go with a cam shaft swap
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Old 08-22-2005, 02:24 PM   #9
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Oh...but with some upgrades, the zetec can still be a competing engine, right?

if i get those intake and exhaust, i can still hold my own against civics, integras, and maybe some base mustangs?
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Old 08-22-2005, 02:28 PM   #10
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with intake/exhaust/headers and a tune, you will be able to hold your own. of course, if a car has lots more mods or F/I (turbo, supercharger) or nitrous, then you will not look so great.
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