Thread: fuel economy ?
View Single Post
  #6  
Old Sat, September 19th, 2009, 04:27 PM
cleatus12r's Avatar
cleatus12r cleatus12r is offline
F Your Yankee Blue Jeans
 
Join Date: Jan 2009
Location: Somewhere in Montana
Posts: 2,665
cleatus12r is a name known to allcleatus12r is a name known to allcleatus12r is a name known to allcleatus12r is a name known to allcleatus12r is a name known to allcleatus12r is a name known to all
Default

Quote:
Originally Posted by bamboo View Post

and since you had an OBS, did you ever experience almost stall or really low 600-800rpm while pushing in the clutch, assuming you had a 5speed

for example, cruising in 3rd 25mph, stop sign/light, instead of downshifting you just push in the clutch from 1700 rpm lets say, and it drops all the way down to 600 or 800rpm
Oil pressure ? fuel ?
Thanks for the info
I've heard it referred to as "idle recovery" and I don't know all of the details of why or how but I think a lot of it has to do with the "simple" PCM and lack of resolution in the tuning maps in the old trucks.
__________________
Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
Reply With Quote