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Old 08-16-2013, 05:12 PM   #1
Dark03fucus
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Zetec vs duratec

New fucus owner here just recently got a 2003 zx3 5m with the 16v zetec. Looking to go turbo. Want to get another engine and build it them drop it in. Wanna get about 300whp. So which is the better engine zetec or duratec for a turbo setup? Or would a new direct injected 2.0 be good way to go. And will the svt m6 fit these engines?


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Old 08-17-2013, 12:21 PM   #2
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the svt engine is just about the same as the reg zetec engine cept it has oil squirters in the cylinders. the head is different as well. if you dropped that in there you would also need the 6 speed getrag transmission it has with it, and quite possibly the ecu for it. the zetec can be built to handle 600whp. their good engines and very relatively simple to build. just takes $$$ like everything else. 300whp is easily obtainable too. just need proper things for it like clutch set up, fuel injectors, turbo size, and of course proper tuner. the cheaper route is to build the zetec IMO. then to say buying a 2.3 duratec and building that then dropping it in, if im not mistaken the duratec uses the same transmission as we do but it has a different bell housing, so that there could imply a problem for you as well. you also would want to look into investing in a torsen or quafie limited slip diff. do a little homeworwk, search these threads for turbo builds and uoull get a good general idea on how to do things and where to start and what to buy
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Old 08-17-2013, 12:49 PM   #3
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the svt will pit almost perfect. If you have a 2.0L dohc mfi zetec then the only difference in the motors is one(SVT) is an aluminum block with different heads. so dont waste your money on another motor. Just remember, when you boost a motor you need to build it up internally before you can safely boost more then 5 ibs. We had a turbo on the same motor im talking about and didnt build the internals and i blew the motor so be careful. The motor has potential but just be careful cause they will blow up if your not careful.
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Old 08-17-2013, 01:33 PM   #4
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Quote:
Originally Posted by ZXthrizzle05 View Post
the svt engine is just about the same as the reg zetec engine cept it has oil squirters in the cylinders. the head is different as well. if you dropped that in there you would also need the 6 speed getrag transmission it has with it, and quite possibly the ecu for it. the zetec can be built to handle 600whp. their good engines and very relatively simple to build. just takes $$$ like everything else. 300whp is easily obtainable too. just need proper things for it like clutch set up, fuel injectors, turbo size, and of course proper tuner. the cheaper route is to build the zetec IMO. then to say buying a 2.3 duratec and building that then dropping it in, if im not mistaken the duratec uses the same transmission as we do but it has a different bell housing, so that there could imply a problem for you as well. you also would want to look into investing in a torsen or quafie limited slip diff. do a little homeworwk, search these threads for turbo builds and uoull get a good general idea on how to do things and where to start and what to buy
You can use a SVT block with a MTX-75, if you happen to get one in goo condition and compression it will hold enough for 300whp while stock, get an LSD and a good clutch.

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the svt will pit almost perfect. If you have a 2.0L dohc mfi zetec then the only difference in the motors is one(SVT) is an aluminum block with different heads. so dont waste your money on another motor. Just remember, when you boost a motor you need to build it up internally before you can safely boost more then 5 ibs. We had a turbo on the same motor im talking about and didnt build the internals and i blew the motor so be careful. The motor has potential but just be careful cause they will blow up if your not careful.
You can safely boost 10psi maybe more on a stock engine, tune is very important even with forged internals you can blow your motor with a bad tune, fuel or required maintenance.
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Old 08-17-2013, 02:37 PM   #5
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Op

Thanks for the info. What about the new 2.0 in the 2012 is there a 6m that will fit those? But the svt motor built sounds like the better option. Does anyone know where I can find master rebuild kit for those? I know crower has some good turbo cams. Just want to get this on paper before I start dropping money ya know
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Old 08-17-2013, 04:35 PM   #6
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2012 and the duratec are completely different to the zetec. Lot of sponsors here sell the individual parts for a rebuild or maybe even do the work. For 300whp a stock head will do fine.
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Old 08-17-2013, 05:30 PM   #7
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If you wanted to swap from a zetec to svt or duratec. It takes a lot work and parts. You will need a complete car to pull parts from for starters.
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Old 08-17-2013, 05:37 PM   #8
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Zetec and SVT is the same block, a duratec changes completely.
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Old 08-17-2013, 07:16 PM   #9
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Thanks guys. Been doing some thinking I'm going to stick with the svt motor and build it and use the 6m that comes with it 70mph @3000 rpm kills me. Turbo on a svt built motor sounds like the fun I'm looking for
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Old 08-17-2013, 07:43 PM   #10
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With a big tire you'll get 70mph @ 3k on a mtx, if getting a getrag you'll need some other stuff. Block is the same but head is different and uses VCT, a stock SVT engine can handle 300whp with a good tune, or just build up the block and swap it with an LSD and a clutch and do 350-380.
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