Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - should i raise the trunk lid, 'kamm the back, or both?

IsaacCarlson · 09-16-2009, 07:47 PM

Here is a pic. The red diagonal line is 12 degrees, the yellow over rear wheel is current wheel skirt, Yellow at front is what i would like for airdam...any suggestions?, you can see for yourself the proposed kamm and raised trunk. which of the three positions should be used for the kamm? if this design can be improved or you have ideas please let me know.

09-16-2009, 07:47 PM	#1 (permalink)
IsaacCarlson eco....something or other Join Date: Jul 2009 Location: Colfax, WI Posts: 719 wood hauler - '91 Ford F-250 Team Pontiac 90 day: 18.97 mpg (US) Rav - '06 Toyota Rav4 Base 90 day: 26.52 mpg (US) Thanks: 39 Thanked 61 Times in 46 Posts	should i raise the trunk lid, 'kamm the back, or both? Here is a pic. The red diagonal line is 12 degrees, the yellow over rear wheel is current wheel skirt, Yellow at front is what i would like for airdam...any suggestions?, you can see for yourself the proposed kamm and raised trunk. which of the three positions should be used for the kamm? if this design can be improved or you have ideas please let me know. Attached Thumbnails __________________ 1991 F-250: 4.9L, Mazda 5 speed, 4.10 10.25" rear Last edited by Daox; 09-17-2009 at 01:04 PM..