View Single Post
Old 10-07-2015, 08:56 AM   #33 (permalink)
Bicycle Bob
EcoModding Apprentice
Bicycle Bob's Avatar
Join Date: May 2008
Location: N. Saskatchewan, CA
Posts: 1,675

Appliance White - '93 Geo Metro 4-Dr. Auto
Last 3: 42.35 mpg (US)

Stealth RV - '91 Chevy Sprint Base
Thanks: 84
Thanked 396 Times in 276 Posts
Originally Posted by Hypermiler1995 View Post
Yes!!! But more closed up than that!

What I want this thread to show is easy diy mods that actually look good!
What is really needed here are diffusing cones behind all of those nicely radiused holes. It may be easier to arrange an array of small diffusers and block some off than to build louvers that provide both a variable opening and efficient air flow.

Hmm. This was in reference to the 1st page illustration of perforated sheet metal.

Last edited by Bicycle Bob; 10-07-2015 at 08:58 AM.. Reason: Last line.
  Reply With Quote
The Following User Says Thank You to Bicycle Bob For This Useful Post:
Hypermiler1995 (10-07-2015)