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DURATEC Performance (2003-2007) The place to chat about any Duratec 23, 23E, and 20 engine performance, tuning and exhaust related upgrades.

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Old 07-27-2010, 02:12 PM   #31
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Originally Posted by JTEX53 View Post
Excellent posts. I have an '05 ZX3-S, that I purchsed new and now has 56K on the odometer. My reason is down the road, to replace air filter and not for performance related but the cost down the road at the dealer. Is there a simpler air filter replacment for under the hood. I have the basic tools but my back conditions won't let me contort into tight places. Thanks.
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There are no simple drop in filters or the such for the duratecs for the 05-07 models. Your only real choice is replacing the stock intake (I believe that is recommended maintence around 100,000 miles) or switch out the stock one for a CAI or SRI. The cold air or short ram would involve some time under the car and slouched over the engine bay removing the different parts of it. Which there are several parts and could cause you discomfort with your back.

Also, check the regional forums here too. Texas has lots of Focus owner's that would probably help tackle your install with you.
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Old 07-27-2010, 05:28 PM   #32
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rambleon84,
Thanks for your reply, if that's a pic of your Focus, mine is the same Sangria Metallic color. As far as mine, the after market rims makes a very basic car, look somewhat sportier. Way far from an SVT! I'm from the era of the muscle cars but at least todays cars last much longer than 3 years and worn out before they're paid for but costs are relative to the times of a min. wage in the 60's of $1.25 p/hr. We didn't even worry about insurance because there wasn't laws requiring it!
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Old 08-26-2010, 11:55 AM   #33
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Will you get a louder sound using the stock equipment on the top side of the intake (OEM box, resonator, etc.)? Can you take the resonator off using this setup as well?
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Old 08-26-2010, 05:20 PM   #34
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yep

On my '05 FoFo with a 2.0 Duratec engine, the resonator comes attached to the cold air plastic pipe that is running down the inside of the driver's side fender. the piping including resonator had to be at least 3ft long! it was ridiculous.

my car sounds a tad throaty (?sp) but the only problem I have is that my car sounds like a HUGE vacuum on startup and does so for a few minutes.

I used the same filter/adapter setup that JHurst used and tried like a mad man to get the 3" adapter to work but no dice after 30 mins and tons of lubing. finally decided to use the 3.5" adapter and while it fits after tightening down the clamp it doesn't seem to be perfectly sealed. I wonder if this is the reason why I have that ridiculous Vacuum/sucking sound on startup?

any ideas?
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Old 08-26-2010, 05:57 PM   #35
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did you get an answer?

Quote:
Originally Posted by Smantilla View Post
i recently tried this out and somewhat had success. It works awesome and you can notice the difference but whenever i hook up my mass air flow sensor the car starts to spudder at around 3000 rpm. its so bad that all through 5th gear i can barely go past 45. any suggestions? i've tried disconnecting the battery to reset the computer but no luck. it works just fine without the MAF but the check engine light turns on. any help would be greatly appreciated.

i was thinking of doing this mod to my '05 ZX4 S but am now reconsidering it because of your issue. did you ever get a response and/or find the sloution to correct the problem?
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Old 11-10-2010, 10:47 PM   #36
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dang why cant we put a simple better air intake on the 05-07s and not have issues with the ECU? sucks
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Old 11-11-2010, 12:56 AM   #37
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I tried the stealth and found it a waste of time.
went to a steeda and have had no problems...

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Old 11-11-2010, 10:01 AM   #38
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So when you Dyno'd your Steeda Short Ram what was your actual HP and Torque increase?
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Old 11-11-2010, 07:10 PM   #39
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I never got a stock baseline since a buck decided to fubar the ds of the car and break the stock intake tube and filter.
it did dyno with the steeda at 114.5whp and I forgot what the tq was. 2.0 w/auto and no other mods.
I havent dynoed it since I put 103's in but expect another couple hp.
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Old 05-15-2011, 12:59 PM   #40
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Just did this to my wifes ZX4, only took an hour including setup and cleanup. The car sounds better & my butt-dyno says the engine responds better

*edit*
I used a K&N RU-3580 available on amazon for $33.20
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