View Single Post
Old 12-19-2012, 02:09 PM   #2 (permalink)
jared1970
EcoModding Lurker
 
Join Date: Sep 2010
Location: Iowa
Posts: 32
Thanks: 0
Thanked 3 Times in 2 Posts
What does the 3/8" hole in the impeller do? Doesn't seem significant enough to result in any measurable fuel economy improvement.
  Reply With Quote