View Single Post
Old 07-15-2008, 08:17 AM   #21 (permalink)
whokilledthejams
Boxhead
 
whokilledthejams's Avatar
 
Join Date: May 2008
Location: Fredonia, NY
Posts: 322

Boxy Brown - '04 Scion xB
90 day: 35.48 mpg (US)
Thanks: 0
Thanked 1 Time in 1 Post
Send a message via AIM to whokilledthejams
Quote:
Originally Posted by NeilBlanchard View Post
Hello,

The two things working against the xB vs the Echo, is gearing (at highway speeds, the revs are high, right?) and the aerodynamics are probably the most important thing by far. Compare my xA to the Echo, and the largest difference is probably gearing -- my best MPG is 46.69 -- and that is with some aero mods...
You're completely right. The Echo has significantly taller gears. It can probably get away with such due to being smaller, lighter, and having a more slippery shape.

The xB and xA are geared awfully short. The small upside to this is that we can do 30mph in fifth gear without lugging.

__________________
  Reply With Quote