Im looking to get the best M.P.G. I currently have a 2003 dodge dually diesel and have heard of alot of programers (bully Dog) and other Im looking to see who could help me with the pros and cons of different programers from personal experience.

 

For the best mpg I would recommend no box and drive with a light foot!!!

With my EZ box I gained lots of power but lost about 1.5 to 2 mpg...

 

Does any one have any personal experience with bully dog or any of the others, Also they say that you get better M.P.G. can someone confirm that I would like to know before I go out and purchase one...

 

I have no idea if I get better fuel milage. It is way to fun to drive with the downloader installed.

 

RAZOR67 WHICH ONE DO YOU HAVE

 

According to his signature he's got a Bully Dog.

100 proof

 

I have a bully Dog downloader and it makes great power but.... no help in the MPG department. On back to back road trips at the same speed and conditions, I lost about .5 mpg. Could have just been the day but very close. Also want to try back to back towing MPG tests to see what happens.

 

What program were you using?

100 Proof

 

I never gained any mileage with any of the BullyDog Power Pup programs. If it is any consolation, I really didn't loose any mileage either as long as I kept my foot out of it. I have tried most of the boxes that are out there, and the only one that I ever consistently gained mileage with was the TST, and it was only 1.5mpg on average.

 

I have tried my Bully Dog in different modes, changing the program upon fill ups and there really doesn't seem to be much difference. My driving habits were pretty much the same in all modes, but if you put your foot into it any of the modes will suck up the fuel. But when the opportunity to put my foot into it, boy is it fun on performance and extreme. Not bad in tow mode either.

 

I was told the Edge EZ will get 1-2 more mpg and the power puck from 2-5mpg. Any truth to this?

 

My experience says no. Alot of other boxes out there are just rebadged edge ez units. Not sure if thats the case with the power puck you mention.
Also in my experience it doesnt cost mileage to use a box. I doubt you will find one that actually gives any mileage.

 

100 proof,

I did back to back hand calc MPG tests of 250 miles each 75% interstate/25% city, same time of day and same traffic. One test at towing setting = very close MPG (about .5 less) the other on performance with about one MPG loss.
I went back to stock to save fuel but may reprogram to tow or performance because I really miss the extra power and it may be worth the .5 to 1 MPG. Who knows, it may not hurt or even may help towing MPG.

 

all lies.... you wont gain with the edge

 

Lies?.....I was wondering the same thing. My dealer sold me a Dr Performance Level 2, with a 30 day return. I have been testing it. Power yes...how much I don't know but it definatly did wake it up! Milege was improved about 15%..picked up about 1 mpg around town and 2-3 mpg on the freeway. I got a 23 (hand calc) on a 600 mile round trip on one tank. The overhead said the same thing. I did buy it for the mpg, hp is nice but I don't do the race thing anymore.That is my 2 cent worth.