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Old 01-28-2009, 11:24 PM   #1
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EW to NS Conversion

For fun while I am in school (Mechanical Engineering) I am developing a custom built vehicle. For the purposes of my question, ignore any body limitations, clearances, etc.

If I pulled a 2.3L Duratec from a totaled Focus, how tough is it to convert it from an east-west FWD configuration, to a north-south longitudinal configuration? Is it as simple as finding and installing an appropriate manual transmission?

Having no experience with a Focus at all , but loving Fords products, this is ideally the engine I would like to go with for a multitude of reasons, but I need to be able to connect it to a manual transmission and transfer case. Any thoughts or recommendations?

Thanks!


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Old 01-28-2009, 11:48 PM   #2
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well...the miata uses a 2.3L MZR which is reasonably close to our 2.3L but in a longitudinal application. Caterham i believe has a similar setup except it uses the the ford duratec.

why a transfer case? are you planning on doing awd? in that case use the Mazdaspeed6 2.3L turbo which is an awd setup, although it isn't longitudinal.
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Old 01-28-2009, 11:53 PM   #3
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do some searching around the internet, this has been done before with a zetec, not sure about the d23 but im sure it wouldnt be a problem.

and look into a v8 conversion, not to put a v8 in a focus, but look for the kits to give you an idea on what you would need to engineer to make this work. as far as rear suspension, and sub frame and what not, good luck!
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Old 01-29-2009, 12:21 AM   #4
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well...the miata uses a 2.3L MZR which is reasonably close to our 2.3L but in a longitudinal application. Caterham i believe has a similar setup except it uses the the ford duratec.
Just noticed that the Ranger has the same engine, except cammed for torque rather than HP. Those are longitudinal configurations. The problem is that peak numbers tell me almost nothing. All I can deduce is that the Rangers Duratec 2.3L has more torque earlier in the powerband...?

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why a transfer case? are you planning on doing awd? in that case use the Mazdaspeed6 2.3L turbo which is an awd setup, although it isn't longitudinal.
Can't give away all of my secrets , but yes, at least a part time four wheel drive transfer case will be used.

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do some searching around the internet, this has been done before with a zetec, not sure about the d23 but im sure it wouldnt be a problem.
Couldn't find anything remotely useful, which is why I came here .

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and look into a v8 conversion, not to put a v8 in a focus, but look for the kits to give you an idea on what you would need to engineer to make this work. as far as rear suspension, and sub frame and what not, good luck!
This is a completely custom vehicle. No parts shared with any existing vehicle on the road outside of the driveline, which is already an engineered mix-n-match (if you will) setup. I'm only asking about the 2.3L on here because the focus is one of the only vehicles it comes in :D.

A V8, especially for this project, is way overkill. There are much better ways to get better performance than adding displacement. There are way better "replacements" for "displacement." .
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Old 01-29-2009, 12:35 AM   #5
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maybe this'll help..... http://www.youtube.com/watch?v=HYJHA...eature=channel

mah maybe not, but entertaining nonetheless....... good luck with this though, and I don't have a doubt it would work assuming you have the room in the custom vehicle. it's only EW because it's FWD.......
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Old 01-29-2009, 12:37 AM   #6
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There are way better "replacements" for "displacement." .
don't make me find that quote that says "there's no replacement for displacement"
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Old 01-29-2009, 12:48 AM   #7
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Very cool. Makes me want to go dig out my legos.

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mah maybe not, but entertaining nonetheless....... good luck with this though, and I don't have a doubt it would work assuming you have the room in the custom vehicle. it's only EW because it's FWD.......
Great. I'm just not sure what the difference is between the engines. I mean, if it is as simple as unbolting the transaxle that is used for the focus, bolting on a longitudinal transmission, and rotating it 90*, that would be great.

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don't make me find that quote that says "there's no replacement for displacement"
That's what I was poking fun at. It's an untrue statement.
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Old 01-29-2009, 08:16 AM   #8
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BOOST! haha I ruined the suspense and stated the obvious.
The Ranger will be your best parts/idea-springboard vehicle. They aren't too hard to find either. The longblock is pretty much the same except for the crankshaft. Search for balance shaft delete. Manifolds and gearing are a whole different story.
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Old 01-29-2009, 02:01 PM   #9
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BOOST! haha I ruined the suspense and stated the obvious.
Boost is just one aspect of it. The major effect is due to the other side of the force equation .

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The Ranger will be your best parts/idea-springboard vehicle. They aren't too hard to find either. The longblock is pretty much the same except for the crankshaft. Search for balance shaft delete. Manifolds and gearing are a whole different story.
From what I've been reading online, the 2.3L Duratec that comes in the 2001-present Rangers doesn't have a balance shaft.

Does anyone know if there is any difference at all between the 2.3L Ranger Duratec and the 2.3L Focus Duratec outside of mounting, transaxle, tuning, etc? Just speaking of internal engine components alone.
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Old 01-29-2009, 02:05 PM   #10
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they have a much stronger crankshaft that most use when building their motors.

The head doesn't flow as well as the D23 head however it will bolt up

The IM is different, but again you can bolt up the D23 one.

Cams are different, I'd use stock D23 cams if you are bewsting.

Pretty sure compression is the same, mine stock is 9.7:1
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