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Ford Joins the Cylinder Deactivation Party #4261782 11/30/16 10:55 AM
Joined: Jan 2006
Posts: 2,859
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SubLGT Offline OP
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In their 1.0L 3-cylinder turbo Ecoboost engine, that is.

http://www.greencarcongress.com/2016/11/20161130-cylinder.html

Significant modifications were required to get a 6% fuel economy improvement:

Quote:
Fordís single-cylinder deactivation design reduces complexity to make volume production achievable, but also presented significant challenges in maintaining the 1.0-liter EcoBoost engineís acclaimed refinementódelivered using innovations including an offset crankshaft configuration and deliberately ďunbalancedĒ flywheel and pulley that counteract vibration.

A new dual-mass flywheel and a vibration-damping clutch disc help neutralize engine oscillations when running on two cylinders, especially at lower rpm, and enable a wider operating range. Intake and exhaust valves are closed when the system is active, trapping gasses to provide a spring effect that helps balance forces across the three cylinders for refinement, and also retain temperatures inside the cylinder that maintain fuel efficiency when reactivated.

New engine mounts, drive shafts and suspension bushes also will be specially tuned for refinement. The 1.0-liter EcoBoost will feature enhanced durability to cope with the different loading forces resulting from cylinder deactivation, including a new camshaft chain, and valve rockers formed using advanced metal injection moulding.


Will the 3.5L Ecoboost V6 be next in line for this tech?

Re: Ford Joins the Cylinder Deactivation Party [Re: SubLGT] #4261805 11/30/16 11:22 AM
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Bluestream Offline
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V8,6,4 all over again...


2000 VW Beetle 1.8T M5
2006 Pathfinder 4X4
1991 BMW 735iL
"A fool and his money are soon parted" - Thomas Tusser
Re: Ford Joins the Cylinder Deactivation Party [Re: SubLGT] #4261816 11/30/16 11:32 AM
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MolaKule Offline
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I see the AFM or "cylinder de-activation," or the Displacement-on-Demand system as a carbon/soot maker.

For this system, why not just have one big honkin' cylinder moving fore and aft, like on the old steam locomotives. grin2

Last edited by MolaKule; 11/30/16 11:36 AM.

"Dr. Larry Fleinhardt:
You know that it's considered unsolvable?
Charlie Eppes:
Well, certainly people who have failed to solve it might think that." From NUMB3RS
Re: Ford Joins the Cylinder Deactivation Party [Re: Bluestream] #4261825 11/30/16 11:39 AM
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CKN Offline
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Originally Posted By: Bluestream
V8,6,4 all over again...



GM sells over 40,000 half-ton trucks with this technology (cyl.deactivation) each and every month. While there were some issues early on (2007) most issues have been resolved.

If you research GM's system-you will find it's a fairly straight forward technology. It's already on 4.6 million cars/trucks.


Last edited by CKN; 11/30/16 11:43 AM.
Re: Ford Joins the Cylinder Deactivation Party [Re: SubLGT] #4261861 11/30/16 12:12 PM
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AirgunSavant Offline
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I'd like to see Ford develop a one cylinder engine with cylinder deactivation.......................

Re: Ford Joins the Cylinder Deactivation Party [Re: SubLGT] #4261893 11/30/16 12:31 PM
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rshaw125 Offline
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The new generation 2.0 Ecoboost already has this. So I was told when I bought mine this past Saturday. Maybe for 2017 models.


2012 Porsche Carrera S
2016 Ford Edge 2.0
2002 Taurus Vulcan SOLD
2006 Explorer SOLD
Re: Ford Joins the Cylinder Deactivation Party [Re: AirgunSavant] #4261895 11/30/16 12:32 PM
Joined: May 2003
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friendly_jacek Offline
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Originally Posted By: AirgunSavant
I'd like to see Ford develop a one cylinder engine with cylinder deactivation.......................


LOL, i was thinking the same. cylinder deactivation in 3-cylinder engine. really?

how about 2 cylinders, start/stop system, and more boost?

or better a hybrid?

Re: Ford Joins the Cylinder Deactivation Party [Re: friendly_jacek] #4261913 11/30/16 12:50 PM
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AirgunSavant Offline
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Yeah.. lol smile

Originally Posted By: friendly_jacek
Originally Posted By: AirgunSavant
I'd like to see Ford develop a one cylinder engine with cylinder deactivation.......................


LOL, i was thinking the same. cylinder deactivation in 3-cylinder engine. really?

how about 2 cylinders, start/stop system, and more boost?

or better a hybrid?

Re: Ford Joins the Cylinder Deactivation Party [Re: SubLGT] #4261968 11/30/16 01:42 PM
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demarpaint Offline
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No thanks.


God Bless Our Troops

Re: Ford Joins the Cylinder Deactivation Party [Re: SubLGT] #4261978 11/30/16 01:53 PM
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lexus114 Offline
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oh brother.... smirk


2018 Nissan Maxima S
Re: Ford Joins the Cylinder Deactivation Party [Re: SubLGT] #4262022 11/30/16 02:37 PM
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cptbarkey Offline
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nothing like answering a question that nobody asked.

Re: Ford Joins the Cylinder Deactivation Party [Re: SubLGT] #4262055 11/30/16 03:09 PM
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CKN Offline
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I see the "new tech phobia" party is already started here on BITOG!

Lightninrod [Re: SubLGT] #4262077 11/30/16 03:30 PM
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Lightninrod Offline
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My 2013 JGC with the 5.7L Hemi has cylinder deaction. It's on/off action becomes annoying so I move it out of Drive and choose one of its 6 speeds, eliminating the constant(sometimes) on/off action.

Yes, the cylinder deaction saves some gas but not much according to my records.


2013 Jeep Grand Cherokee Overland V8
2WD

Traded in my 2001 F150 SRT Lightning for the JGC
Re: Lightninrod [Re: SubLGT] #4262082 11/30/16 03:44 PM
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Jarlaxle Offline
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The cylinder shutoff in my Magnum was 100% transparent...to the point I asked the dealer to make sure it was working! (It was.)


1979 Coupe de Ville, 542 stroker, parked for winter frown
2011 Crown Vic P71, 5W-20 NextGen, Super Tech
2011 Sportster 883, parked for winter frown I hate winter.
Re: Ford Joins the Cylinder Deactivation Party [Re: Bluestream] #4262095 11/30/16 03:54 PM
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nthach Offline
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Originally Posted By: Bluestream
V8,6,4 all over again...

Where have you been for the last 10 years - GM, Chrysler and Honda brought it back from the dead. Modern PCMs are much faster, being based on 32-bit PowerPC(what Apple was using before the Intel switch) or MIPS/Super H processors, while the Delco ECM that drove the 1st gen V8-6-4 system was no more powerful than a TI or HP business calculator at the time.

I can commend Ford on wanting to do this - but I think we're hitting the law of diminishing returns. Ford's probably eyeing this to go behind a PHEV powertrain, not quite GM's Voltec...

Last edited by nthach; 11/30/16 03:56 PM.
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