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Old 05-10-2005, 05:56 PM   #1
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65 MM TB install impressions

I recently installed my 65mm Focus Central Throttle body over the weekend and first thing i notice right off the bat...

The revs
When you start the car the revs go up then down to around 1200 rpm very quickly then in around a minute they drop to 850 or so...before it took a good 3-4 min of warming up to get it down there ( i live in SOCAL where it really isn't that cold for a car to have to warm up like that). Driving, the revs do not hang as long either, works out nice for quick shifts too. :)

The car pulls like crazy now.
I think it was the missing piece with all my mods, i have a UDP, Cool-Flo Intake, Live Wires/ Screamin Deamon Coils and this just seemed to "open up" my car up.

More Resistance
The spring on the Throttle body has more resistance so the gas pedal is a bit harder to push in (not a lot, but you can tell it is a bit stiffer). As a result it makes it seem like i am just learning to drive stick...i am getting the hang of it

The car is smooooooth,
for whatever reason the car just feels nice when cruising around town or on the freeway. But the car opens up nicely when needed, the lag in power seems to be gone.

So thatís it, i would HIGHLY recommend this install, overall it was easy to do (as long as you don't drop one of the mounting screws in the deepest crevice you can find in the engine bay ...then it takes double the time because you have to fish it out).
The Focal Jet instructions are OK, not great by any means. They donít mention you have to take off certain parts and transfer them over to the new (but you can easily see that you HAVE to when you put the two TB side by side). One thing to note...the rubber tube that goes from the intake to the throttle body is pretty tough to get around the new throttle body, i used teflon lubricant to slide it over. I had to buy a new metal tie as well, the tie was just a bit too small and didn't want to go around. lI did not port my opening, but plan to now that i see how easy it is to do. So go get it peop[b]le...a worthwhile mod!


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Old 05-10-2005, 08:08 PM   #2
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Without the porting do you notice a slight woosh or "chsch" sound like a blow off valve? I did untill i ported it out and then the sound went away. When I did mine i did indeed drop one of the screws down into the engine bay. Found it and then it droped again. Then found it again after jacking up the car. FOLKS WHEN YOU DO THIS, DO NOT DROP THE SCREWS(with that said I'm sure some of you will still drop them)....GET MAGNETS!
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Old 05-10-2005, 08:29 PM   #3
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^^ you more than likely heard that sound because there was an airleak somewhere around the gasket.

@ lunarc. im glad you like the throttle body, it was definately my favorite mod too on the normal zx3. it makes it so you can actually feel the gas pedal, its great i loved it. i know what you mean by it felt like you had to learn how to drive the car over again because you pretty much do. it makes the engine sound more hearty too i think. i just gave my buddy the throttle body i had on my car before i traded it in and now hes loving it. good stuff!
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Old 05-10-2005, 09:05 PM   #4
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Well I'm not all that impressed with the FC 65mm TB. And yes I ported it. Sure it has a bit more response but the gain is really only in the mid to upper range. The take off isn't any different from the OEM. Still somewhat sluggish. Still having idling problems with it too.
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Old 05-10-2005, 09:31 PM   #5
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sounds like you need to get it running right. it made a noticeable difference right off the bat. make sure the idle screw is barely touching the plate, also make sure your tps is in the right position. if you havent yet, review the how to & trouble shoot @ www.myfordfocus.com
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Old 05-10-2005, 10:00 PM   #6
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when i installed mine, the gas pedal had a bunch of slack, and then it would have a moment of resistance due to some sticking, and then it would go. very annoying, but it was a blast to drive. now i just need to reinstall it......
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Old 05-10-2005, 10:19 PM   #7
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yeah the sticking was addressed at the site Euro mentioned. Sucks to hear some people ran into issues, so far so good on this thing. Now to install my engine mount and get my tune...this thing is going to be soooo fun :)
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Old 05-10-2005, 10:25 PM   #8
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Quote:
Well I'm not all that impressed with the FC 65mm TB. And yes I ported it. Sure it has a bit more response but the gain is really only in the mid to upper range. The take off isn't any different from the OEM. Still somewhat sluggish. Still having idling problems with it too.
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Old 05-11-2005, 02:09 PM   #9
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yup, I love my TB, and I experience basically everything you did! definatley a worth while mod
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Old 05-11-2005, 06:57 PM   #10
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its a great mod and im happy with my tb
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