View Single Post
Old 11-20-2010, 10:50 PM   #3 (permalink)
jamesqf
Master EcoModder
 
Join Date: Jun 2008
Location: Earth
Posts: 5,209
Thanks: 225
Thanked 811 Times in 594 Posts
Something partly blocking the intake air path, like for instance a duct that collapses when it's sucking a lot of air, then springs back?
  Reply With Quote