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Slaughterhouse
02-20-2008, 10:41 PM
SO far with about 50-50 mixed city highway, I am knocking down a whopping 13.8 mpg.

AWESOME ride, super quite and gobs of power. Trans shifts good.

Everything so far is way better than my old 6.0. I kinda dont like the newer boost gauge....real plain looking IMHO.


I made a good trade and ended up $$$$$ to the good so it was a great deal for me.

More mileage as I get it....should get about 400 miles of interstate driving tomorrow and friday. I'll keep an honest eye on it.


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PSDPlayer
02-21-2008, 12:41 AM
We put an SCT in his 08 and an AirAid and he was loving the fuel mileage.

mattsn
02-21-2008, 01:41 PM
i want an 08 and get rid of my PIA 6.0 looking into it on sat

Slaughterhouse
02-21-2008, 05:09 PM
Thats exactly what I did.



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mattsn
02-21-2008, 06:00 PM
just hard to justify the cost when my truck is paid for though. wish someone had the majick way of making the 6.0 confidently reliable

Slaughterhouse
02-21-2008, 08:30 PM
My truck was paid for as well. The new truck had a $5500 rebate and they gave me $17,500 for mine. I came out smelling like a rose!!!!!!!!!


AND the warm feeling that I don't own that OASIS nightmare anymore.......PRICELESS


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Slaughterhouse
02-25-2008, 07:02 AM
Well, bad news guys. 80/20 mixed interstate/city and all I can get is 13.XX. I only have 560 miles on her so far and I really hope the milage get better.

Even with a long span of interstate driving at 75mph, as soon as I slowed down it regened on me and the info center milage numbers went to 5mpg!!!!!!!


And boy does it stink when the regen is going on.....whew!!!!!!!


Still I give it two thumbs up on ride, power and interior noise while driving.

I'll give it an 8.5 out of a possible 10.0.


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Slaughterhouse
03-07-2008, 12:38 PM
NEW UPDATE***


I have 1400 miles on her now and on the interstate, cruise control on 70, i get a whopping 17 mpg. Thats more like it baby!!!

Fuel here is $3.599



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heinzboy
03-07-2008, 03:06 PM
Nice

Slaughterhouse
03-08-2008, 05:56 PM
Fuel is up to $3.799 here today!!!!!!!!!!!!


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skintback
03-11-2008, 01:49 PM
Friend of mine was getting 8-9mpg when it was new is now seeing 12-13mpg after about 10,000 miles on it. That is got too hurt with fuel getting to be 4.00 a gallon

Slaughterhouse
03-11-2008, 08:47 PM
.

Fuel is up again today to $3.899.


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skintback
03-12-2008, 08:14 AM
Just seen this morning 3.99

cv17
04-16-2008, 11:08 AM
3.95 for fuel in Houston TX.

_CH_
04-16-2008, 12:29 PM
not bad, ive seen 4.25+ here.

is the MPG still going up in town? 17 seem to be a plateau on on the highway?

Slaughterhouse
04-21-2008, 06:22 PM
5600 miles on her and 17 mpg is all she gets on the interstate with cruise on. Fuel here in central Louisiana is $4.19

My427stang
04-27-2008, 12:20 PM
I traded my 07 POS in for an 08 and I love it. Not seeing the best mileage though

With 1000K on the odo, I towed 10K from Mass to VA and got 11, 7.3 used to get 12.5, 07 got about 12

With almost 7K on it now, around town I get 13.2, 7.3 got 14.8, 07 6.0 got 14.2.

Bobtailing to Mass and back last week I got 16 cruise set at whatever speed limit it was. 7.3 would get 19+ in this same setup

Need to dump the DPF and get a little more tune in it, but it is a very nice truck to drive, even if thirsty

03F250Stroke
04-30-2008, 10:08 PM
i dont even know my mileage. But I did hear that they were gonna start playing porn at the pump so that we weren't the only ones getting f%cked

Grizzly660
04-30-2008, 10:48 PM
I just got my delete pipe from doug and loaded sct race file with delete and the lie-o-meter is reading between 20 and 22 mpg....I am going to filler up tomorrow and hand calculate it. I hope it is close to the meter!!!

Slaughterhouse
05-12-2008, 12:07 AM
Same milage here as before 13.XX....diesel is up again today to $4.299 in central Louisiana.

Abrannan19
05-12-2008, 07:02 AM
I just got my delete pipe from doug and loaded sct race file with delete and the lie-o-meter is reading between 20 and 22 mpg....I am going to filler up tomorrow and hand calculate it. I hope it is close to the meter!!!

any update elwood?

Grizzly660
05-12-2008, 01:53 PM
I have ran all 3 delete files on full tanks of gas.....
hand calculated with mostly highway driving which is what I do everyday. I average 15 mpg. With the dpf and stock file, same driving I would average 13 mpg. Also I am getting around 430-440 miles on a tank....My 6.0 never saw that! Saving $15.08 per tank at today's price of 4.19. So I will have to fill up 80 times and drive 35,200 miles to pay for the SCT and delete pipe. Is it worth it? Who knows, but I love the POWER!!

The sweet spot is cruising between 55-60.....I could definatly see the ability of achieving 17 or 18 mpg but I don't drive that way!!!!

Keeping the boost below 10 psi and the rpm's below 2000 is where its at!

Hope this helps.

Ellwood

720Deere
05-12-2008, 02:32 PM
Have you tried higher speeds? My 06 6.0 does it's best at 83-85 mph. I couldn't believe it but it's true. 21.6 mpg at 84 mph. Drop down to 75 and it's closer to 21. At 65-70 it's 19-20 but at 55 it's better than 20.

Grizzly660
05-12-2008, 02:40 PM
When I am @ 80 or above it seems to drop around 14mpg

My427stang
06-04-2008, 06:39 AM
Griz,
Still seeing good numbers? My stock 08 seemed to pick up to about 14 in town driving easy once it passed 8000 miles (also once I learned to NEVER cheat and run LSD). However, I am itching to do a DPF delete.

I'll be moving to the DC area with $5/gal fuel here soon and running it 50 miles a day, thats my excuse to buy a tuner :)

Grizzly660
06-04-2008, 07:59 PM
Griz,
Still seeing good numbers? My stock 08 seemed to pick up to about 14 in town driving easy once it passed 8000 miles (also once I learned to NEVER cheat and run LSD). However, I am itching to do a DPF delete.

I'll be moving to the DC area with $5/gal fuel here soon and running it 50 miles a day, thats my excuse to buy a tuner :)

The numbers are very consistant with the way I drive...I let my wife drive it for a week and there was about a 1 mpg increase because she drives like a grandma and wasn't on the interstate cruizing 80 everyday like I am....

It is worth in in my book.....When the custom tuning come out I will be taking a trip to Doug's to play!