22.5 mpg FTW!!!

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Aug 16, 2010 | 03:49 AM

#31

Visseroth

Thread Starter

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Joined: Apr 2009

Posts: 2,447

Likes: 1

From: Northern Idaho

Quote:

Originally Posted by mechelement

I NEVER saw over 16mpg on my wife's '04 Cummins. I see around 17 with our PSD. I'm hoping going back to stock size tires will help our PSD. HTF did you get 22.5mpg in yours? How fast were you going?

Well I always get about that when doing 2000K rpm or so, I prefer 1800 to 2000 rpm which on my speedo is 68mph at 2000K rpm and you can see on my signature what mods I have but this truck has been getting that kind of fuel economy with or without a canopy and with ordinary #1 diesel from the pump. I do add in some additive that I get at walmart for viscosity, but that's about it. I know if I get on the hwy in my truck I can get in about 12 to 18 hours of driving before being empty.

A guy I know who has a cummins 6 cyl says he gets about 26 on the hwy.

Aug 16, 2010 | 07:24 AM

#32

danskool

Go Bills !

Joined: Jan 2008

Posts: 2,778

Likes: 65

From: Buffalo, NY

for work i had to travel everyday on the thuway to a vendor. 600 miles all week. Got 21.2 and 23.1 . just last week.. City driving i get 16-18. 2wd and short box and easy on the "GO" pedal. calculator (no lieometer). GPS and Speedo right on.

Aug 16, 2010 | 07:41 AM

#33

bulletpruf

Fleet Mechanic

Joined: Jun 2009

Posts: 1,312

Likes: 327

From: San Antonio, TX

Quote:

Originally Posted by danskool

How much do you think you gained with a lockup converter?

Scott

Aug 16, 2010 | 07:51 AM