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Old 07-12-2012, 08:15 PM   #1
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How are the Duratec 2.3l engines?

I was wondering how the duratec 2.3l engines are. I know the 2.0SPI engines had many problems. I also know that the 2.0l Zetec engines were rock solid. Is that correct?

How are these duratec engines? They only made them for a few years and parts can be sparse.


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Old 07-12-2012, 08:22 PM   #2
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Very good reliable, w/ some grunt. Whats ya' looking at? ST perhaps? 23s from '03-'07 in the Foci, don't forget in the Mazda 3's too. No problem w/ parts= CFM central florida motorsports & Fwerk's has lot of parts for any of these cars. Don't forget the B&S section too.
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Last edited by felixthecat; 07-12-2012 at 08:23 PM. Reason: Oh sorry I only answered your question 'bout the D-tech's
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Old 07-12-2012, 08:31 PM   #3
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Quote:
Originally Posted by felixthecat View Post
Very good reliable, w/ some grunt. Whats ya' looking at? ST perhaps? 23s from '03-'07 in the Foci, don't forget in the Mazda 3's too. No problem w/ parts= CFM central florida motorsports & Fwerk's has lot of parts for any of these cars. Don't forget the B&S section too.
I Am looking at an 04 Zx3

IS it as reliable as lets say the zetec engine? I knew the zetec engines were as reliable as the imports lasting upwards of 200k plus.
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Old 10-29-2012, 11:07 PM   #4
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I don't think that the zetec was as reliable as you think they were, if you noticed they dipped into the zetec program and then discontinued it... I have the zx4 st 2.3 with k&n Intske and magnaflow catback... The car is sick I love it reliable too... If that helps
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Old 10-31-2012, 12:07 AM   #5
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I don't think that the zetec was as reliable as you think they were, if you noticed they dipped into the zetec program and then discontinued it... I have the zx4 st 2.3 with k&n Intske and magnaflow catback... The car is sick I love it reliable too... If that helps
I 2nd that to. After all it is a mzr motor & w/o it Mazda wouldn't have zoom zoom.
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Old 07-12-2012, 08:40 PM   #6
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Well for one, the Zetec blocks are iron, the Duratec blocks are Aluminum.

I own both, the 03 zx3 Duratec 2.3L PZEV manual, and 2.0L Zetec DOHC Auto in my 00 wagon.

The 2.3l is much funner. And in my mind, more reliable.

Not to say the Zetec isn't reliable either, but I do feel more things go wrong on it.
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Old 07-12-2012, 08:43 PM   #7
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Well for one, the Zetec blocks are iron, the Duratec blocks are Aluminum.

I own both, the 03 zx3 Duratec 2.3L PZEV manual, and 2.0L Zetec DOHC Auto in my 00 wagon.

The 2.3l is much funner. And in my mind, more reliable.

Not to say the Zetec isn't reliable either, but I do feel more things go wrong on it.
How many miles are on both?
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Old 07-12-2012, 08:46 PM   #8
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120K on the D23, and 164K on the Zetec.

My GF got lucky, and found the <yellow D23 in Nantucket, at a used car dealer.
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Old 07-12-2012, 08:48 PM   #9
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120K on the D23, and 164K on the Zetec.
I wonder if the other is more fun due to it being a manual?

Both ways though, good engines?
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Old 07-12-2012, 08:51 PM   #10
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O yea, the Zetec would be more fun with a manual, but the power difference between Zetec and Duratec is somewhere around 20-30HP at stock levels.

And the D23 responds better to performance parts. If you can, find a D23 for sure, but if you just can't, then go for the next best thing, Duratec 2.0L or the Zetec manual.

Don't get me wrong, It's not like I'm getting rid of my Zetec auto, but I am going to get a manual trans, and then build the motor up, regardless of how good the Duratecs are.

One day I'll swap a Duratec in it, but for now, I'll keep the Zetec in the wagon.
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