View Single Post
Old 11-30-2009, 05:33 PM   #8 (permalink)
aerohead
Master EcoModder
 
aerohead's Avatar
 
Join Date: Jan 2008
Location: Sanger,Texas,U.S.A.
Posts: 10,101
Thanks: 15,246
Thanked 5,378 Times in 3,165 Posts
block

The grill block was one of the recommendations listed by Rich Taylor of GMC truck division for MPG increase with Popular Science' Sierra.
If you can find the Phil Knox aerodynamic photos album,there is a copy of the graphic showing aero mods recommended for the pickup.
  Reply With Quote
The Following User Says Thank You to aerohead For This Useful Post:
darcane (11-30-2009)