View Single Post
Old 07-14-2010, 04:06 PM   #114 (permalink)
COcyclist
Aero Wannabe
 
COcyclist's Avatar
 
Join Date: Dec 2007
Location: NW Colo
Posts: 738

TDi - '04 VW Golf
TEAM VW AUDI Group
90 day: 52.55 mpg (US)
Thanks: 705
Thanked 219 Times in 170 Posts
Quote:
Originally Posted by dremd View Post
My scangauge is useless.
I can hypermile (or hypergauge?) 300 +mpg in the city yet 70 mph is around 35 mpg. Just useless for mpg.
My Scanguage seems to work pretty well. I can throw it off if I do a lot of coasting in neutral though. I think there may be an additional sensor (O2 ??) in the PD engine. Perhaps that allows it to be more accurate.
I can't think of a good way to do accurate testing without using the petro pumps. I'm glad it's working out for you. I am considering the 5th gear swap to lower highway rpms.
__________________
60 mpg hwy highest, 50+mpg lifetime
TDi=fast frugal fun
https://ecomodder.com/forum/showthre...tml#post621801


Quote:
Originally Posted by freebeard View Post
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
  Reply With Quote