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Just wanted to add this to the debate. There has been some confusion especially about the early models, '95-'98, on whether the engines are free running or interference. Gates Manufacturers (timing belt kits) has an interesting download. PDF HereThe charts list all contour and mystique engines as non-interference.
'96 Mercury Mystique 2.0 Zetec ATX
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Scourge of the Master Debaters
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Originally posted by MerMys19964C:
The charts list all 2.0Lcontour and mystique engines as non-interference.
Fixed. What/where was the debate? I've always had the understanding that the Duratec is an intereference engine and the Zetec is not.
Beer is my Gatorade.
Hooray Beer.
'98 "Sport" Pacific Green
'98 E0 SVT Silver Frost
Pictures
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Hence the reason the Zetec has a timing belt, and the Duratec a chain.
No debate, here.
Ray
'99 CSVT - Silver #222/276
In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:
I like to wear dresses and use binoculars to watch grandmas across the street.
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Originally posted by Ray:
Hence the reason the Zetec has a timing belt, and the Duratec a chain.
No debate, here.
Ray
it has been gone over a few time in the zetec forums, some have reported valve damage while others have not when the timing belt has broken, the majority of people feel the it is a non-interference engine
also i thought the duratec used chains because timing is more presice, and that is what you would need for a high reving V6
- 95 Mystique LS - Zetec/5spd
- 99 Contour SeVT Sport - Duratec/5spd
Official NE-CEG Contour/Mustang Family
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Originally posted by brapple:
Originally posted by Ray:
Hence the reason the Zetec has a timing belt, and the Duratec a chain.
No debate, here.
Ray
it has been gone over a few time in the zetec forums, some have reported valve damage while others have not when the timing belt has broken, the majority of people feel the it is a non-interference engine
also i thought the duratec used chains because timing is more presice, and that is what you would need for a high reving V6
I thought the Duratec had chains for longevity. Chains SHOULD (not always the case though) require less or no maintenance over the life of the engine. That was one of Fords selling points when the Duratec first came out. It's also why Dodge claims they put a chain instead of a belt on their 4.7 V8. In reality though I think I like a belt with a service interval better.
Parting out 95-97 Contours/Mystiques. Contact me directly at ALFIGOLS@yahoo.com if you're looking for a particular part.
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With the ZETEC, provided you have not replaced the stock cams with performance cams, they have built-in-clearance (as some good-ole'boys would say)or are non-interference engines. Some guys on the FOCUS web pages who don't work on their own cars, have had some mechanics tell them that they had valve damage in order to charge them unreal amounts for work not done.
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When we hit 70k on my duratec my wife took it to get the oil changed and tires rotated. They told her that she was going to need the timing belt changed asap. She didn't know what to do cause I was in the Desert of 29 Palms and she couldn't get a hold of me. They quoted her almost 1k to do this. I am glad she thought about and called my dad with a little research he found out that the duratecs have chains and he told the shop where to stick and talked to owner and got her a free oil change.
Anyone in Socal avoid the express tire in Oceanside.
Troy
99 Contour SE Sport
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Originally posted by Figols:
your comment tooOriginally posted by brapple:
your comment
Its possible that the chains have more than one feasible use, including longevity of the part, and protection of the engine (intererence)
That's all I can think of.
Ray
'99 CSVT - Silver #222/276
In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:
I like to wear dresses and use binoculars to watch grandmas across the street.
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Originally posted by Troy00690:
he found out that the duratecs have chains and he told the shop where to stick and talked to owner and got her a free oil change.
Thats awesome.. Pops to the rescue!
96 Contour GL 2.0L MTX with Early SE 7 spoke wheels, SE sideskirts, Koni Sport Kit
70 Mustang Sportsroof with mild 351W and '01 Mustang GT wheels
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Actually a non-interference motor can become interference if the clearance is already a very minimal amount. In my girlfriend's Mazda 626 for instance, the 4-cylinder has such a small clearance that if the belt snaps and there is lots of build-up inside the cylinders, valve damage can happen. This is coming from a Mazda tech so I assume it is correct. The lesson of course is to keep your motor clean. 
2000 Contour SE
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