View Single Post
Old 01-31-2010, 01:29 PM   #32 (permalink)
AeroModder
Master EcoModder
 
AeroModder's Avatar
 
Join Date: Jan 2010
Location: Oregon
Posts: 471

Tank - '96 Ford Aspire 4 door
Team Ford
90 day: 46.75 mpg (US)
Thanks: 15
Thanked 65 Times in 48 Posts
This Aerospeed article has a ton of helpful information, including trials of different shapes/sizes:

Modifying Under-Car Airflow, Part 2
Measurable on-road improvements from a custom front undertray
  Reply With Quote
The Following 4 Users Say Thank You to AeroModder For This Useful Post:
moonmonkey (01-31-2010), Nels (01-31-2010), Piwoslaw (02-01-2010), Rokeby (01-31-2010)