Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Addition of low profile rear spolier- Toyota Corolla

MetroMPG · 04-22-2008, 10:18 PM

If the flow is currently attached at the trailing edge of the deck lid without the spoiler, then adding one will reduce MPG by a small amount (because you'll be increasing the size of the trailing wake).

I suspect flow IS attached there on your Corolla.

The way to tell for sure is to tuft test: http://forum.ecomodder.com/showthread.php?t=661

04-22-2008, 10:18 PM	#3 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,530 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Even Fancier Metro - '14 Mitsubishi Mirage top spec 90 day: 70.75 mpg (US) Appliance car Mirage - '14 Mitsubishi Mirage ES (base) 90 day: 62.14 mpg (US) Thanks: 4,078 Thanked 6,978 Times in 3,613 Posts	If the flow is currently attached at the trailing edge of the deck lid without the spoiler, then adding one will reduce MPG by a small amount (because you'll be increasing the size of the trailing wake). I suspect flow IS attached there on your Corolla. The way to tell for sure is to tuft test: http://forum.ecomodder.com/showthread.php?t=661 __________________ 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