View Single Post
Old 05-11-2009, 12:57 PM   #5 (permalink)
EcoModding Lurker
Join Date: Apr 2009
Location: Ohio
Posts: 1
Thanks: 0
Thanked 0 Times in 0 Posts
Originally Posted by QuickLTD View Post
Found this online while researching a 1990s Mustang that was heavily modded for top speed. Are they wrong about the Airdam? - How-To: Top 5 Mustang Mods That Suck Gas

1. Big Wings & Air Dams

Yep, they look awesome. Aftermarket body augmentations are the best and most eye popping way to suck more gas. Wings are the best. The larger the wing, the more drag is created. The same goes for the huge front fascia with the low to the ground air splitter. Sure it helps stability on the road course, but it does increase your frontal area by leaps and bounds. It takes more power to push all that surface area through the air, and thus more gas. Potential Efficiency Decrease: 1-3mpg
They are talking about air dams with splitters. Splitters are large panels which are basically horizontal. They trap air to form a high pressure area on top of the splitter and in front of the air dam / bumper. This high pressure area combined with the resulting higher pressure area on the hood and the low pressure area behind and below the splitter creates downforce. This is not ideal for fuel economy, but it does help stability at high speeds like they say.
  Reply With Quote