View Single Post
Old 01-18-2013, 11:43 PM   #11 (permalink)
ever_green
Master EcoModder
 
ever_green's Avatar
 
Join Date: May 2011
Location: Toronto
Posts: 263

Blueberry - '17 Mazda Mazda3 GS
90 day: 32.56 mpg (US)

EVO - '08 Mitsubishi Evolution MR
90 day: 23.82 mpg (US)
Thanks: 8
Thanked 77 Times in 32 Posts
Quote:
Originally Posted by serialk11r View Post
I think usually the case is that peak BSFC is at a slightly lower rpm than the peak BSFC at WOT. Your peak WOT BSFC is at ~2000rpm, which is a really slow engine speed! Peak BSFC might arrive at something like 1900rpm and 85% of that torque.
which graph are you talking about? the impreza? in that case the sweetspot is between 1800-3000rpm. notice how narrow the scale is. it's only 0.005 lb/hp/hr difference between 2000 and 1800/3000rpm (that's about 2%).

__________________
  Reply With Quote