Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - VW quantifies MPG gain of 4- to 2-cylinder deactivation at 31 mph = +16 mpg

MetroMPG · 03-13-2012, 08:39 AM

Found a YouTube video - (I embedded it in the first post of this thread) - of VW's mechanical approach for deactivation. As suspected, it's done via closing all the valves on the cylinder.

Or, direct YT link: Volkswagen cylinder deactivation technology on 4-cylinder engine introduced - YouTube

03-13-2012, 08:39 AM	#11 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,534 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Appliance car Mirage - '14 Mitsubishi Mirage ES (base) 90 day: 57.73 mpg (US) Thanks: 4,082 Thanked 6,979 Times in 3,614 Posts	Found a YouTube video - (I embedded it in the first post of this thread) - of VW's mechanical approach for deactivation. As suspected, it's done via closing all the valves on the cylinder. Or, direct YT link: Volkswagen cylinder deactivation technology on 4-cylinder engine introduced - YouTube __________________ Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata Honda mods: Ecomodding my $800 Honda Fit 5-speed beater Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage. Ecodriving test: Manual vs. automatic transmission MPG showdown EcoModder has launched a forum for the efficient new Mitsubishi Mirage www.MetroMPG.com - fuel efficiency info for Geo Metro owners www.ForkenSwift.com - electric car conversion on a beer budget