View Single Post
Old 07-24-2008, 11:03 AM   #82 (permalink)
Box Dreamer
Join Date: Jul 2008
Location: Pittsburg, CA
Posts: 154

xB Commuter - '04 Scion xB
90 day: 40.76 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
Originally Posted by Z man View Post
I had a good amount of freeway but most of the roads are hilly 45mph roads.
Sounds like you are driving at optimal speed (<60mph) this tank.

Per ROFL Box, driving <3000rpm (<60mph on 5th) saves most gas. That means, if I want to drive more efficiently with higher speed, either I need to change the ECU, or, more simple way, change a set of taller tires.
  Reply With Quote