Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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The ST170 Duratec is a Zetec with a Duratec badge, no VVT on the Fiesta.
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J100RSA
Member
Registered: 4th Mar 01
Location: Thornhill, West Yorkshire
User status: Offline
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zetec has timing belt this focus has a chain like the duratec
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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Ah, is it a Mk2 Focus?
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J100RSA
Member
Registered: 4th Mar 01
Location: Thornhill, West Yorkshire
User status: Offline
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no no cos thats a volvo engine i may be worng here with the chain belt thing
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J100RSA
Member
Registered: 4th Mar 01
Location: Thornhill, West Yorkshire
User status: Offline
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ive look at some shit and im wrong
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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I see, I wasn't sure if it was a ST or not, some of the normal Mk2s had a Duratec, that's why I asked.
I'm 99% sure none of the Mk1s did, they were all Zetec, just had a Duratec sticker
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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quote:
Originally posted by J100RSA
ive look at some shit and im wrong
 fair enough
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J100RSA
Member
Registered: 4th Mar 01
Location: Thornhill, West Yorkshire
User status: Offline
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atleast i admit it you learne something new every day!
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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yeah the st170 is a zetec engine, just ford decided to be silly, like they did with the focus rs and put a duratech badge on zetecs.
the fiesta is a genuine duratech engine, the management has all the features to run VVT but the engine is missing the hardware, the svt focus is america has vvt with the duratec tho.
the mondeo 2ltr is the only other ford to have the 2ltr duatech. some transits have a 2.3 varient thats not such a good choice due to having the balance shaft...
all fun
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mattk
Member
Registered: 27th Feb 06
Location: St. Helens
User status: Offline
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Where the feck is JR?? He ok like??
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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This is too new skool for Jr to care
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g-man
Member
Registered: 26th Feb 06
Location: East Kilbride
User status: Offline
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quote:
Originally posted by J100RSA
quote:
Originally posted by broster
ones a zetec and ones a duratech........
my old mans said duratec on it i was lead to beleave these were the same engine has the fiesta got variable valve timing like the focus??
You were led to believe wrong. The "Duratec ST" and "Duratec RS" engines in the Mk1 Focus are actually rebadged Zetec's. The ST170 engine has a VVT head fitted with inlet runner actuator that changes tract length at higher RPMs. The RS engine is just a normal 2.0 engine with uprated internals and reworked head.
Real Zetec engines (proper Ford ones) are noted with the inlet at the back, exhaust at the front. Zetec-S (Sigma, Yamaha co-developed engines) and Duratec's have the inlet at the front, exhaust at the back.
Difference between Zetec-S and Duratec (before it's asked) is the Duratec is a Mazda developed engine with cam chain, as opposed to belt on al Zetec's.
Fiesta ST 2.0 Duratec's do not have variable valve timing.
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g-man
Member
Registered: 26th Feb 06
Location: East Kilbride
User status: Offline
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quote:
Originally posted by broster
the svt focus is america has vvt with the duratec tho.
No it's not. The SVT Focus is basically our ST170. Same engine.
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