Zetec not 16v but VVTI?
02-09-2004, 09:27 AM
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Gonna say I'm certainly not mechancial expert but didn't think (especially Zetec in Escorts) any were variable valve timing - CVH is 8v and Zetec twin cam so must have 16 valves - why else would they have a 16v badge on them! lol
Z
Z
02-09-2004, 12:09 PM
#6
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no, a zetec is just a snazzy 16v motor aint it, not twin cam?
somthing like a mk5 rs2000 has a 16v dohc twin cam i think but not a newer zetec
vvti is in new toyota corrolla's and mg zr's
somthing like a mk5 rs2000 has a 16v dohc twin cam i think but not a newer zetec
vvti is in new toyota corrolla's and mg zr's
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02-09-2004, 12:42 PM
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Imaloverofcars - Zetec uses two cams and is 16v - hence DOHC 16v.
Zetec-E and Zetec-R (except the Focus ST170 engines) don't use variable cam timing. Zetec-R in the Focus ST170 has variable cam timing, although it's (wrongly) badged as a Duratec. Focus RS engine is also a Zetec-R without variable valve timing and again it's badged, confusingly, as a Duratec (it's not - Ford branding confusion, like a "Zetec" trim spec diesel
).
Zetec-s Yamaha-derived 1700 engine has variable timing as mentioned. Don't know if the 1250, 1400 and 1600 variants are Yamaha-influenced but as mentioned, don't think they include VCT.
/Munk
Zetec-E and Zetec-R (except the Focus ST170 engines) don't use variable cam timing. Zetec-R in the Focus ST170 has variable cam timing, although it's (wrongly) badged as a Duratec. Focus RS engine is also a Zetec-R without variable valve timing and again it's badged, confusingly, as a Duratec (it's not - Ford branding confusion, like a "Zetec" trim spec diesel
).Zetec-s Yamaha-derived 1700 engine has variable timing as mentioned. Don't know if the 1250, 1400 and 1600 variants are Yamaha-influenced but as mentioned, don't think they include VCT.
/Munk
02-09-2004, 01:18 PM
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Originally Posted by Project ST
Originally Posted by foreigneRS
what is the point of this post?
Cheers for all your answers, thanks for your first reponse foreignRS, I just wanted it a bit clearer in my head - I know my Zetec is 16v and started to doubt myself when someone tried argued that it isn't and is VVTI, knew I wasn't going mad - so asked the question on here as people knowledgable on here - that ok with you? Could say whats the point of most of the posts on here, least mine car related
Anyway thanks!
Z
02-09-2004, 01:24 PM
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Originally Posted by foreigneRS
yeah, but i don't really understand the question
Originally Posted by foreigneRS
maybe i'm a dumbass foreigner?
(joking chap )/Munk
02-09-2004, 01:29 PM
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Sorry maybe I could've worded my question better - I meant I've never heard of Zetecs being VVTI and not 16v, and was pretty damn sure I was right in thinking mine was 16v and certainly not VVTI - thats all. You've all proved to me that I'm not bloody stupid after all, thanks
Z
Z
02-09-2004, 01:29 PM
#16
Testing the future
oh right. i get it now.
wasn't meaning to be rude when i asked what the point was. i just didn't really understand what the question was and if it had been answered.
wasn't meaning to be rude when i asked what the point was. i just didn't really understand what the question was and if it had been answered.
02-09-2004, 09:19 PM
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On the same thoughts but i know its not a Zetec; i'm sure I remember my mothers Honda civic has VVT or some cam trickery that makes it run on 8 valves most of the time, then just opens up the other 8 valves (to total 16) when you cane it. IIRC something like that anyway 
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