View Single Post
Old 03-15-2009, 06:59 PM   #10 (permalink)
JMags
EcoModding Lurker
 
Join Date: Sep 2008
Location: Plymouth Meeting PA
Posts: 23

93Lx - '93 Ford Thunderbird Lx
90 day: 20.64 mpg (US)
Thanks: 0
Thanked 2 Times in 2 Posts
Because most cars on the road are port injected. The fuel is sprayed above the valve into the intake runner. Some of it does "wash" on the back of the valve.
__________________
  Reply With Quote