View Single Post
Old 03-03-2014, 08:18 AM   #3 (permalink)
Master EcoModder
Join Date: May 2012
Location: USA
Posts: 2,643
Thanks: 1,502
Thanked 279 Times in 229 Posts
Dont forget half the upper grill too. Air dams work best with use of grill block. You want to prevent as much air as possible from going through or under the engine bay. If you jsut do an air dam, then most is sucked through the grill do to the vacuum effect it creates.
  Reply With Quote