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Old 06-27-2013, 01:04 PM   #1 (permalink)
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Join Date: May 2011
Location: Indiana
Posts: 1,194

White Whale - '07 Dodge Ram 2500 ST Quad Cab 2wd, short bed
Team Cummins
90 day: 37.68 mpg (US)
Thanks: 112
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Double kilotank: 2,009.6 mi on one 35 gal tank ('07 Dodge Ram 2500 quad cab)

I filled up this morning and this tank was far far my best ever. A double kilotank--over 2,000 miles on one tank of fuel (2,009.6 to be exact):



Here's the summary:

Start date: May 3, 2013
End date: Jun 27, 2013
Distance: 2,009.6 miles
Fuel used: 35.000 gallons
Total time (key-on): 79 hours, 29 minutes
Total time (engine-on): 18 hours, 32 minutes
Average ambient temperature: 70.2 deg F
Average in-cab mileage display: 59.38 mpg
Actual measured mileage: 57.42 mpg
Calculated average speed (from key on time): 25.3 mph

I've detailed a lot of my mods up until last summer is this thread:
1,645.2 miles on one tank: Broke official world record!

Since last summer, I've made the following mods:
-Change to synthetic transmission fluid
-Front belly pan
-Engine compartment insulation
-Fog lamp hole block
-Kill switch
-Corrected odometer
-Disconnected intake grid heater
-Various shifting/driving mods
-Schaeffer's Diesel Treat 2000 additive
-9 inch side skirts


This was really my first tank of the summer since things really warmed up. That helped a lot (20 deg F higher average temperature than last tank). Many of the mods I made listed above, I did during the winter, so my numbers didn't start to come up until things started to warm up this spring. When I saw my numbers coming up towards the end of last tank, I decided to really turn up the focus on this tank. I ran the whole thing with as much focus on my driving as I could manage--no HVA/C at all, windows all up except driver's side slightly cracked when hot, radio off. My inital goal was to get a >50 mpg tank, but in the end I did even better.

In addition to my normal daily log spreadsheet, I also started using some logging software to monitor what the engine & truck were doing. So if anybody wants to dispute things, I've got log files saved for all but about 20 of the miles--I lost a couple due to some connectivity issues.

As I was coming towards the end of the tank, I didn't think I was going to be able to make it to 2,000 mi. I ran completely on empty for the last 100 miles, carrying a 1 gal jerry can with me in case I ran out. In the end, I didn't need it and I made it all the way to the fuel station. To add a cherry on top, I had a $1/gal discount waiting for me a the fuel station. I also beat my personal best commute record this morning with 68.9 mpg on the overhead display. I had plenty of reason to smile:


The official world record for farthest distance on a tank is 1,645.1 miles, which I've beaten 3 times now. I now set my sights on the unofficial world record of 2,254.4 miles: The Insight Marathon 2006 -- World Record 2,254.4 miles on one tank of fuel - CleanMPG Forums

Thanks to all my fellow Ecomodders for all the tips and inspiration!

Lastly, I'd like to dedicate this tank to my dog Diesel (yes, that was his real name) who died unexpectedly on Monday:

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Diesel Dave

My version of energy storage is called "momentum".
My version of regenerative braking is called "bump starting".

1 Year Avg (Every Mile Traveled) = 47.8 mpg

BEST TANK: 2,009.6 mi on 35 gal (57.42 mpg): http://ecomodder.com/forum/showthrea...5-a-26259.html


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Old 06-27-2013, 01:47 PM   #2 (permalink)
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DarthVW - '16 VW Jetta 1.8t Sport
90 day: 32.35 mpg (US)
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That is amazing. Congrats and good luck going for the new record!
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Old 06-27-2013, 01:56 PM   #3 (permalink)
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Dumpmobile - '95 Honda Civic EX
Team Honda
90 day: 50.99 mpg (US)
Thanks: 167
Thanked 13 Times in 8 Posts
I'm so sorry for your loss, Dave.

Congrats on your achievement!!
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Old 06-27-2013, 02:22 PM   #4 (permalink)
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
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Blackfly - '98 Geo Metro
Team Metro
90 day: 70.72 mpg (US)

ForkenSwift - '92 Geo Metro EV
Last 3: 95.68 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 47.99 mpg (US)
Thanks: 2,107
Thanked 4,857 Times in 2,438 Posts
Well, if that's not impressive, I don't know what is!

And - sorry to hear about your dog, Dave.

(Update: I added your truck description to the thread title to post this on the home page.)
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Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L



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Old 06-27-2013, 02:42 PM   #5 (permalink)
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Geo XL1 - '94 Geo Metro
Team Metro
Boat tails and more mods
90 day: 72.22 mpg (US)

Big, Bad & Flat - '01 Dodge Ram 3500 SLT
Team Cummins
90 day: 21.13 mpg (US)
Thanks: 148
Thanked 788 Times in 322 Posts
.

Totally awesome...

and

Sorry to hear about your dog.

>
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Old 06-27-2013, 05:43 PM   #6 (permalink)
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F-150 - '12 Ford F 150 XLT
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What a beautiful dog and a great companion I'm sure. I'm a veterinarian and they are a tough breed to get to old age, that's for sure. Still, they are fantastic with their family and it's hard to lose them. You can tell from the picture he was a happy guy, I'm sure you gave him a wonderful home

Joe
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Old 06-27-2013, 06:15 PM   #7 (permalink)
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Almost 60 MPG is a very large and heavy truck. This clearly demonstrates the principles I wish every driver was practicing. Gas would be less than $2.50 a gallon.

regards
Mech

Last edited by user removed; 06-27-2013 at 06:33 PM..
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Old 06-27-2013, 08:06 PM   #8 (permalink)
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Josie - '87 Toyota Pickup
90 day: 29.48 mpg (US)

Tiptoe - '03 Honda Civic Hybrid
Team Honda
90 day: 48.9 mpg (US)

Felicia - '09 Toyota Prius Base
90 day: 48.73 mpg (US)
Thanks: 346
Thanked 501 Times in 366 Posts
Man, that's an up and down day. Big ups on your mileage achievement.

Sorry to hear about your friend.
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Old 06-27-2013, 10:55 PM   #9 (permalink)
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2004 CTD - '04 DODGE RAM 2500 SLT
Team Cummins
90 day: 19.36 mpg (US)
Thanks: 826
Thanked 458 Times in 344 Posts
DD, are you using the MB-spec DELO 50 in that G56 trans?
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2004.0 DODGE Ram QC/LB 2500 2WD/NV-5600 305/555 ISB. 7,940-lb. Stock. 200,000 miles/5000-hrs @ 40-mph average.
1990 35' Silver Streak TT 7,900-lb.
8-cpm solo & 11-cpm towing; 21-mpg average past 54k-miles
Sold: 1983 Silver Streak 3411
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Old 06-27-2013, 10:59 PM   #10 (permalink)
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2004 CTD - '04 DODGE RAM 2500 SLT
Team Cummins
90 day: 19.36 mpg (US)
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Quote:
Originally Posted by Old Mechanic View Post
Almost 60 MPG is a very large and heavy truck. This clearly demonstrates the principles I wish every driver was practicing. Gas would be less than $2.50 a gallon.

regards
Mech
The largest reported averages for a Cummins-powered 1T Dodge truck are also 4WD & auto trans spec. And a tire with some offroad traction. Thus, 15-mpg. Or, 525-miles/tank.

At $4/gl diesel, DD is "paying" $1/gl in comparison to that average.

.

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2004.0 DODGE Ram QC/LB 2500 2WD/NV-5600 305/555 ISB. 7,940-lb. Stock. 200,000 miles/5000-hrs @ 40-mph average.
1990 35' Silver Streak TT 7,900-lb.
8-cpm solo & 11-cpm towing; 21-mpg average past 54k-miles
Sold: 1983 Silver Streak 3411
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