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Old 05-30-2013, 04:33 PM   eBay Motors  #1 (permalink)
 
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miles per gallon

What should the duramax be getting loaded and unloaded?
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Old 05-30-2013, 04:38 PM   eBay Motors  #2 (permalink)
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Depends on how you drive and how heavy the load is loaded.

Empty I can get 20 really have to be trying and where is the fun in that. 17-18 is a good average for me. I live off a highway rarely any city driving.

13-15 towing average
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Old 05-30-2013, 04:43 PM   eBay Motors  #3 (permalink)
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That's a broad question. DPF days I'd overall average 12-13 mixed driving. Few mostly highway trips were like 15 average and the one time towing 5K single axle concrete pump was 15 average. Post DPF days an even mix has been 16 average and pretty much all highway is 18-19. I loose a ton of fuel on surface streets because that skinny peddle is so fun haha

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Old 05-30-2013, 05:11 PM   eBay Motors  #4 (permalink)
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My '13 LML will get close to 20 highway driving 55-60, 18 interstate 65-70, 15 city/highway combo. Towing around a 4000 pound enclosed trailer getting 13.5 mpg. Extremely happy with those numbers, just turned 3400 miles on my rig.
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Old 05-30-2013, 05:16 PM   eBay Motors  #5 (permalink)
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I get 18-22 at 75mph in my lly with cruise controll on. Streets are anywhere from 6-15 depending on my mood.
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Old 05-30-2013, 06:55 PM   eBay Motors  #6 (permalink)
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I just go off smiles per gallon there is plenty of smiles per gallon when I drive my truck.

About 20 mpg empty and around 14-15 depending on what im towing..

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Old 05-30-2013, 07:07 PM   eBay Motors  #7 (permalink)
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I just go off smiles per gallon there is plenty of smiles per gallon when I drive my truck.

About 20 mpg empty and around 14-15 depending on what im towing..

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Haha smiles per gallon that's funny I'm gunna start telling people that, but I just figured mine up I get 13 on the highway which really blows weiner but I still have the dpf n all that junk on right now!

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Old 05-30-2013, 07:11 PM   eBay Motors  #8 (permalink)
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Haha smiles per gallon that's funny I'm gunna start telling people that, but I just figured mine up I get 13 on the highway which really blows weiner but I still have the dpf n all that junk on right now!

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DPF? You have a LLY right?


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Old 05-30-2013, 07:20 PM   eBay Motors  #9 (permalink)
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Haha smiles per gallon that's funny I'm gunna start telling people that, but I just figured mine up I get 13 on the highway which really blows weiner but I still have the dpf n all that junk on right now!

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might wanna update your sig if you added a DPF to the LLY!!!

That's a mod in my book!
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Old 05-30-2013, 07:28 PM   eBay Motors  #10 (permalink)
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He's got a LML

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1985 Chevy C20 RCLB 350 4 Bolt, 4 Barrel Carb, 4.10 Gears, 8600 GVW, Glass Packs Dumped, Pig Skin Leather, Bed Mounted 5th Wheel, Dual 20 gal Tanks, 62,146 Miles, Indian Bronze and Cream~Rolled

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