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Fuel Mileage

Steve_Cornell

Steve_Cornell

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North Central West Virginia
I just wanted to share the mileage from a trip I took over the weekend from Central WV to San Antonio, TX....
I averaged nearly 23 mpg running 75 - 85 mph which I think is amazing for a 3500 truck... by the end of the trip I was up over 23 mpg but I took the picture below about 1070 miles in of the 1450 mile trip.
I'm running the factory exhaust with an emissions intact tune ( uses no DEF and keeps the EGR closed) I'm pretty pleased with this....
 

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Steve_Cornell said:
I just wanted to share the mileage from a trip I took over the weekend from Central WV to San Antonio, TX....
I averaged nearly 23 mpg running 75 - 85 mph which I think is amazing for a 3500 truck... by the end of the trip I was up over 23 mpg but I took the picture below about 1070 miles in of the 1450 mile trip.
I'm running the factory exhaust with an emissions intact tune ( uses no DEF and keeps the EGR closed) I'm pretty pleased with this....
Click to expand...
BTW, what is DEF? If it's a diesel thing, then that's why I don't know. I ordered the gas engine on my truck, but I keep reading about DEF this and DEF that - just curious.
 
JimKIII said:
BTW, what is DEF? If it's a diesel thing, then that's why I don't know. I ordered the gas engine on my truck, but I keep reading about DEF this and DEF that - just curious.
Click to expand...
Diesel exhaust fluid for diesel exhaust after treatment , you wont have to worry about it !
 
Brutal_HO said:
1st rule of DEF club...

Send a PM.
Click to expand...
I thought the first rule is delete it……

mine is frozen only the bottom 1/4 keeps thawed so no limp mode yet but its only a matter of time so deleting it is the best option lol
 
What tune is it? I didn't think anyone was doing those anymore.. mine goes into regen after just a few short trips. Kills the mileage..
 
Did you manually verify that? Tuning can throw off the factory calibrations used to calculate the lie-o-meter number.... I'm sure you are not far off that but it could be a few mpg off, I know mine is.


.
 
Steve_Cornell said:
I just wanted to share the mileage from a trip I took over the weekend from Central WV to San Antonio, TX....
I averaged nearly 23 mpg running 75 - 85 mph which I think is amazing for a 3500 truck... by the end of the trip I was up over 23 mpg but I took the picture below about 1070 miles in of the 1450 mile trip.
I'm running the factory exhaust with an emissions intact tune ( uses no DEF and keeps the EGR closed) I'm pretty pleased with this....
Click to expand...
I was getting around 22 MPG on my 2020 2500 on the HW. That is great mileage for a 3500 I def want to know about the Def fuel bypass. Send PM
 
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I have no idea how guys get this MPG...I reset my Average MPG in Mescalaro NM....started at 25 mpg
..by the time I was in Tucson....14mpg...

Oh wait it's a diesel with 4.10 gears and HO....my bad.
 
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