View Single Post
Old 03-03-2012, 02:50 AM   #17 (permalink)
Ryland
Master EcoModder
 
Ryland's Avatar
 
Join Date: Jan 2008
Location: Western Wisconsin
Posts: 3,903

honda cb125 - '74 Honda CB 125 S1
90 day: 79.71 mpg (US)

green wedge - '81 Commuter Vehicles Inc. Commuti-Car

Blue VX - '93 Honda Civic VX
Thanks: 867
Thanked 434 Times in 354 Posts
A well designed warm air intake is sized for the engine and cruising RPM and then it takes air that has been heated by the exhaust, there is enough air flow in the engine compartment that it's not much warmer then what you see from a "cold" air intake, but if you duct 100 degree air from near the exhaust, you see an improvement.
  Reply With Quote