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#4557211 - 10/28/17 12:47 PM Variable Valve Lift vs. Variable Valve Timing
StevieC Offline


Registered: 08/21/08
Posts: 17116
Loc: Ontario, Canada
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#4557217 - 10/28/17 12:55 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
rollinpete Offline


Registered: 03/20/17
Posts: 451
Loc: West Ma.
cool two cams in one...But the timing confuses me crzy


Edited by rollinpete (10/28/17 01:01 PM)
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#4557221 - 10/28/17 12:57 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
StevieC Offline


Registered: 08/21/08
Posts: 17116
Loc: Ontario, Canada
Yeah! thumbsup

More stuff to fail. LOL
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#4557367 - 10/28/17 03:07 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
bullwinkle Offline


Registered: 10/09/04
Posts: 7664
Loc: Cincinnati, OH, USA
Originally Posted By: StevieC
Yeah! thumbsup

More stuff to fail. LOL
Not unless it's a 3V modular Ford V8!
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#4557448 - 10/28/17 04:47 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
gabriel9766 Offline


Registered: 05/10/15
Posts: 936
Loc: Missouri
malibu has VVL and VVT.
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#4557466 - 10/28/17 05:09 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
anndel Offline


Registered: 05/28/09
Posts: 245
Loc: Hawaii, USA
More stuff to break down.

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#4558573 - 10/29/17 05:19 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: bullwinkle]
Silverado12 Offline


Registered: 02/26/13
Posts: 3114
Loc: Central Virginia
Originally Posted By: bullwinkle
Originally Posted By: StevieC
Yeah! thumbsup

More stuff to fail. LOL
Not unless it's a 3V modular Ford V8!


I think some of them had cam phaser issues.
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#4558575 - 10/29/17 05:20 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
StevieC Offline


Registered: 08/21/08
Posts: 17116
Loc: Ontario, Canada
Yeah the phasers were set to kill. As in kill the engine. crackmeup
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#4559017 - 10/30/17 07:36 AM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
UG_Passat Offline


Registered: 05/27/08
Posts: 1969
Loc: NJ
Both are variable valve timing, but separated into 2 types:
1) Lift (ie VTEC)
2) Phasing (ie Toyota VVT/VVT-I)
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#4559714 - 10/30/17 09:39 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
tig1 Online   content


Registered: 01/03/09
Posts: 13658
Loc: Illinois
Both of my Ford Fusions have VVT and to date no problems. However with that said, a quality oil is all the more important with VVT, as heavy varnish or sludge can adversely effect the operation of the devise.


Edited by tig1 (10/30/17 09:39 PM)
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#4559989 - 10/31/17 09:24 AM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
Schmoe Offline


Registered: 05/12/03
Posts: 7256
Loc: Oklahoma
Hasn't Honda been using something similar with the VTEC but adding another valve when VTEC is engaged? Didn't know that vvt was oil pressure activated.
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#4560280 - 10/31/17 02:24 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: Schmoe]
UG_Passat Offline


Registered: 05/27/08
Posts: 1969
Loc: NJ
Originally Posted By: Schmoe
Hasn't Honda been using something similar with the VTEC but adding another valve when VTEC is engaged? Didn't know that vvt was oil pressure activated.


i-VTEC is VTEC with VVT (cam phasing).

there is the VTEC-E, which on the regular economy cam profile, it shut off one of the intake valves per cylinder. The performance cam profile used all of the intake valves.
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#4560305 - 10/31/17 03:00 PM Re: Variable Valve Lift vs. Variable Valve Timing [Re: StevieC]
StevieC Offline


Registered: 08/21/08
Posts: 17116
Loc: Ontario, Canada
I'm waiting for VVLVVTVTEC-E Oh yeah baby! LOL
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