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Duramax Fourth Generation: 2007.5-2010 (LMM) Discuss the fourth generation (2007.5-2010) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

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Old 09-24-2007, 01:01 PM   #1 (permalink)
Vince474
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Van Mpg

Does anyone know what the Mpg is on the LMM vans? I know they don't put out as much horsepower as the trucks do. Here is my situation....

I currently own a '05 E-150 Cargo Van with the 4.6L. I'm only getting 10-12 Mpg towing my pressure washing trailer. I'm trying to decide whether to go with another cargo van or a 2500HD extended cab truck with a flatbed or utility bed on it.

There is no way I will buy a Ford truck or van with the diesel even though I like the new body styles on the E-Series vans. The reason I'm having to replace my current van is I'm signing a new contract that will take me from where I live here in Southern California all the way to Oklahoma and Texas every other month.

If you go to AlertSteamCleaning.Com and look under my pics you will see the trailer I'm towing. A bit big for just a 1/2 ton van.

Any help or suggestions I will greatly appreciate.
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Old 09-24-2007, 11:56 PM   #2 (permalink)
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My guess is less than the trucks if for no other reason than aero drag of the boxy van.

The engine is the same but the fuel is turned down a bunch - which in my 35 years in the diesel engine industry always equates to having to drive the things like you're mad at it, foot planted to the floor.

Call Penske Fleet rentals and see if they're using them yet. They're usually happy to discuss this stuff.
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Old 09-25-2007, 06:09 AM   #3 (permalink)
BigShrimpah
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They also have the 4l80e 4-speed transmission instead of the 5 or 6 speed Allison. I heard they turn about 200rpms more than the trucks at highway speed.
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Old 09-26-2007, 09:37 PM   #4 (permalink)
will w
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that trailer doesnt look too bad. i wonder if the lmm vans have the trumpet like exhaust tip. i too would like to hear about an lmm vans fuel mileage. wil
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Old 09-26-2007, 09:47 PM   #5 (permalink)
ShopSpecialties
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My van gets about 20-21 MPG. This week I hauled a 5,000# boiler and got 18 MPG.
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Old 09-26-2007, 10:42 PM   #6 (permalink)
doswacko
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Quote:
Originally Posted by Vince474;2022949;
Does anyone know what the Mpg is on the LMM vans? I know they don't put out as much horsepower as the trucks do. Here is my situation....

I currently own a '05 E-150 Cargo Van with the 4.6L. I'm only getting 10-12 Mpg towing my pressure washing trailer. I'm trying to decide whether to go with another cargo van or a 2500HD extended cab truck with a flatbed or utility bed on it.

There is no way I will buy a Ford truck or van with the diesel even though I like the new body styles on the E-Series vans. The reason I'm having to replace my current van is I'm signing a new contract that will take me from where I live here in Southern California all the way to Oklahoma and Texas every other month.

If you go to AlertSteamCleaning.Com and look under my pics you will see the trailer I'm towing. A bit big for just a 1/2 ton van.

Any help or suggestions I will greatly appreciate.
I have 2 of the LLY vans not an LMM but they both get 20+ mpg on the highway and 18+ city
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Old 09-27-2007, 01:04 AM   #7 (permalink)
Vince474
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I'm definetely leaning more towards the van now. I like the fact that everything is locked up in the van versus being in tool boxes on a truck. Plus it's more organized anyways with the van and I can carry more spare parts.

The trailer is a 5' X 18' custom built trailer with a gvwr rating of 14,000 on it. I try to pull it empty of water when I can because 2 370 gallon water tanks full adds up quick even though both axles have brakes on them. Plus I have the room to still add a 2nd machine as a back up unit if I want.
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Old 09-27-2007, 01:10 AM   #8 (permalink)
ShopSpecialties
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We have been very happy with our vans. 1 ton is the only way to go. No comparison compared to E-150.
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Thank you:

Chad @ Alligator Performance
Jeremy @ Throttle Down Kustoms

I am here to help 24/7 and if anybody has a issue with me I am also here 24/7 to resolve anything. Please feel free to pm, call, fax, email, anytime with any questions what so ever .
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Old 09-27-2007, 01:15 AM   #9 (permalink)
BigShrimpah
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Is it possible to get a Duramax van in a passenger configuration and not the stripped down cargo version?
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Old 09-28-2007, 02:04 AM   #10 (permalink)
ShopSpecialties
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It only comes in the cargo van. Hopefully when the lil duramax comes it out it will be in the passenger van.
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2006 Chevy Express 1 Ton Ext Duramax, EFILive. Edge Insight CTS. Truck-Lite LED Headlight. Throttle Down Kustoms Bumper.TCI Deep Pan. Fumoto valve. Diamond Eye 4" Turbo Back Exhaust BYE BYE Kitty and Ruffler. B&M Supercooler. AEM dry filter with custom air intake made by yours truly. PCV Re-Route. Diamond Eye turbo direct pipe. Kennedy lift pump. EGR valve and cooler delete. Derale 26" dual pass fuel cooler. Trex-Tech Up pipes. Batmowheel. Turbo Performance Products turbo sock.

Thank you:

Chad @ Alligator Performance
Jeremy @ Throttle Down Kustoms

I am here to help 24/7 and if anybody has a issue with me I am also here 24/7 to resolve anything. Please feel free to pm, call, fax, email, anytime with any questions what so ever .
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