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Do Ford and Chevy have their own versions of VTEC? #352064 Dec 15, 1:46pm Dec 15, 1:46pm
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Do Ford and Chevy have their own versions of VTEC?
Honda has their patented VTEC and totota has their VVTL-i but do domestics have the same type of engines? Like chevy's new cobalt has an ECOTEC engine and ford has a ZETEC engine.. are they comparable to honda and toyota's VTEC and VVTL?

Re: Do Ford and Chevy have their own versions of VTEC? [Re: Kenton2k] #352065 Dec 15, 3:15pm Dec 15, 3:15pm
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People first need to learn the difference between VVTL-i and VVT-i spineyes


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Re: Do Ford and Chevy have their own versions of VTEC? [Re: RevMonster] #352066 Dec 15, 3:18pm Dec 15, 3:18pm
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all it is is variable valve timing and not all of the new ones have it only certain cobalts are gonna have it none of the cavaliers have it and the redline doesnt have it


respect the gt-s
Re: Do Ford and Chevy have their own versions of VTEC? [Re: celicadragon] #352067 Dec 15, 4:27pm Dec 15, 4:27pm
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yea they do its called pure power.


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Re: Do Ford and Chevy have their own versions of VTEC? [Re: Eman] #352068 Dec 15, 8:11pm Dec 15, 8:11pm
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Actually, every automotive company has technology similar to this. VTEC and VVTI, that is. i-VTEC or VVTL-I...that's a different story.


Enzo Ferrari " You may be a Ferrari owner; but, you may not necessarly be a Ferrari Driver."
Re: Do Ford and Chevy have their own versions of VTEC? [Re: jyboygenius] #352069 Dec 15, 8:14pm Dec 15, 8:14pm
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this is a weird thread. wtf

Re: Do Ford and Chevy have their own versions of VTEC? [Re: jyboygenius] #352070 Dec 15, 8:15pm Dec 15, 8:15pm
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^^ exactly

VVT-i and Vtec are just fancy terms for variable timing. It's now being used pretty widely in the industry. Vtec is just the most famous because (correct me if I'm wrong) I believe it was the first.


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Re: Do Ford and Chevy have their own versions of VTEC? [Re: RevMonster] #352071 Dec 15, 8:18pm Dec 15, 8:18pm
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Yes i think VTEC was out first. if im not mistakened. And the thing with ford and chevys, Its power damnit! Bigger engine!

Re: Do Ford and Chevy have their own versions of VTEC? [Re: RookieGTS] #352072 Dec 15, 8:33pm Dec 15, 8:33pm
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no i do beleve that toyota had the first variable valve timing

Re: Do Ford and Chevy have their own versions of VTEC? [Re: injencelicagts] #352073 Dec 15, 8:39pm Dec 15, 8:39pm
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^wrong, it's honda... wave not just GM or ford have variable valve timming, just about every automaker have their own variation of vtec...

Re: Do Ford and Chevy have their own versions of VTEC? [Re: ragingpaseo] #352074 Dec 15, 9:16pm Dec 15, 9:16pm
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^ Yup, Honda. I have a friend that has a little Daewoo Rio, and it has variable valve timing. You guessed it, its called DTEC. spineyes


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Re: Do Ford and Chevy have their own versions of VTEC? [Re: ExNihilo] #352075 Dec 15, 10:52pm Dec 15, 10:52pm
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haha DTEC! damn now thats old school laughsilly

Re: Do Ford and Chevy have their own versions of VTEC? [Re: jyboygenius] #352076 Dec 16, 12:20am Dec 16, 12:20am
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Originally Posted by jyboygenius
Actually, every automotive company has technology similar to this. VTEC and VVTI, that is. i-VTEC or VVTL-I...that's a different story.


Thankfully someone got this right. VVTL-i is a much more sophisticated and technologically advanced engine than the overplayed VTEC, i-VTEC is more comparable to VVTL-i.


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Re: Do Ford and Chevy have their own versions of VTEC? [Re: Vampyre] #352077 Dec 16, 12:41am Dec 16, 12:41am
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^^You can count on me... spineyes


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Re: Do Ford and Chevy have their own versions of VTEC? [Re: jyboygenius] #352078 Dec 16, 1:04am Dec 16, 1:04am
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VTEC or variable valve timing was first found on the honda NSX back in 1991.


3.2 NSX V-6:

1953388102-nsx_engine.jpg

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Re: Do Ford and Chevy have their own versions of VTEC? [Re: Polykarb] #352079 Dec 16, 9:55am Dec 16, 9:55am
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Sorry, what I meant to ask was, like those of us with GTS's have lift that kicks in at 6800, but I was wondering if the domestic car company's have their own versions of lift and what those engines are called

Re: Do Ford and Chevy have their own versions of VTEC? [Re: Kenton2k] #352080 Dec 16, 10:41am Dec 16, 10:41am
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Well, swapping in a whole new cam lobe as in the lift part of VVTL-i is not done on very many cars. Most have opted for just so-called "continuously variable valve timing", pretty much like the "tamer" version of VTEC, and like on the VVT-i engine. I don't know of any domestics that swap in a higher performance cam lobe. Anybody else know?


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Re: Do Ford and Chevy have their own versions of VTEC? [Re: Kenton2k] #352081 Dec 16, 12:58pm Dec 16, 12:58pm
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Originally Posted by Kenton2k
Sorry, what I meant to ask was, like those of us with GTS's have lift that kicks in at 6800, but I was wondering if the domestic car company's have their own versions of lift and what those engines are called

don't know about you, but my lift kicks in @ 6200rpm...

Re: Do Ford and Chevy have their own versions of VTEC? [Re: ragingpaseo] #352082 Dec 16, 6:23pm Dec 16, 6:23pm
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Here are many of the different implementations of variable valve timing:

http://en.wikipedia.org/wiki/Variable_valve_timing

I think Ford finally jumped on the bandwagon:

http://www.ford.com/en/innovation/engineFuelTechnology/variableCamTiming.htm

That Ford page mentions the Triton 5.4 L V8 for the F-150, but I believe the new Mustang uses variable cam timing as well.


I get my kicks on EC.
Re: Do Ford and Chevy have their own versions of VTEC? [Re: QTRMLR_1] #352083 Dec 16, 7:22pm Dec 16, 7:22pm
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Many car company uses it. Its just that we only hear about the hype in Toyota and Honda. I could name one too. VXVTLI


.::Expect The Unexpected::.

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Re: Do Ford and Chevy have their own versions of VTEC? [Re: UnlimitationZ] #352084 Dec 18, 2:03am Dec 18, 2:03am
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Honda had VTEC and the whole variable valve timing concept first. When they unleashed the beast at race tracks, they found it to be very efficient and very successful, thus they soon developed it into an everyday vehicle. Furthermore, they also patented the concept for 10+ years I believe and so no one could produce varaiable valve timing until the patent was up. The patent became voided in 2000, thus Toyota and Yamaha used the idea and put better technology into it with the Celica. And now, everyone can have produce variable valve timing.

This is what I have been told by a friend of mine, knows a lot so I believe him.

Re: Do Ford and Chevy have their own versions of VTEC? [Re: shox] #352085 Dec 18, 8:34am Dec 18, 8:34am
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are you guys sure that the 3 gen supras 7MGE engine wasnt vvti because i swore it was

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