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Open Roads Forum  >  Tow Vehicles

 > Diesel vs gas......................

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larry barnhart

wenatchee. wa usa

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Posted: 10/07/17 04:30pm Link  |  Quote  |  Print  |  Notify Moderator

I looked at our local chev store and a 2017 4x4 dually crew cab and 6 liter was in the low $40K. work truck model.

chevman


chevman
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pullin2

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Posted: 08/25/18 05:54am Link  |  Quote  |  Print  |  Notify Moderator

FishOnOne wrote:

Redwoodcamper wrote:


Some people who short trip will do much better was a gas powered truck. The last thing they want is a forced drive down the road to regen their soot clogged dpf.



New diesel owner here. Was intending to go gas, but found one I couldn't pass up sitting on the dealer's lot the day before Christmas Eve. Apparently dealers are keen to sell on the last few days of the year.

So being new* to the diesel game, do you mind explaining what is meant by "forced drive...to regen"? Is this something that happens when the truck is driven for short commutes and doesn't get warm? I use an old Corolla for daily/city drives. The truck usually goes 3-400 miles whenever I start it. Does the truck go into limp mode (slow, like it does when out of DEF)?

Sorry for the newbie questions, but I'm really not sure what the phrase means.

*Had a 7.3L diesel F250 back in the 90's, but everything's changed so much it's hardly relevant to today.


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I used to tandem-tow (hence my username), but my trailers grew too big.

harmanrk

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Posted: 08/25/18 06:27am Link  |  Quote  |  Print  |  Notify Moderator

pullin2 wrote:

So being new* to the diesel game, do you mind explaining what is meant by "forced drive...to regen"? Is this something that happens when the truck is driven for short commutes and doesn't get warm? I use an old Corolla for daily/city drives. The truck usually goes 3-400 miles whenever I start it. Does the truck go into limp mode (slow, like it does when out of DEF)?


You are correct on the meaning and typical cause of the message. Short trips, where the engine does not heat up are hard on the DPF system on modern diesels. In most cases, when the filter is full, and needs to be cleaned, the regen process is enabled, and the filter is burnt clean along the trip (As it would on your several hundred mile trips), however if the typical driving pattern for the truck does not allow it to reach normal conditions, where the regen can occur (fully up to temp), the process will not start. If this goes on too long, with the DPF reading full, it will indicate it needs to be driven to clean. (Get me out on the highway and open the throttle, message) If this is not done, the vehicle will eventually go into limp (reduced power) mode, which then requires a trip to the dealer, to clean the filter, as you do not have the power to reach normal conditions for the regen to occur (catch 22)


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Steakman

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Posted: 08/31/18 09:28am Link  |  Quote  |  Print  |  Notify Moderator

I continue to be reminded that I am forever greatful, I have a diesel vehicle without DPF. It does little for the environment & reduces mileage. EGR is long gone as well....good riddance to all that needless BS.

Cheer folks, have a great long weekend.!

* This post was edited 08/31/18 09:39am by Steakman *


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brant_c

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Posted: 11/07/18 12:53pm Link  |  Quote  |  Print  |  Notify Moderator

Drove a 1998 5.9 gas Ram 2500 Crew Cab Short Bed 4X4 towing a 28 feet prowler. It screamed on the hills.

Updated to a 2008 Ford F150 5.4 Triton Crew Cab Short Bed FX4. It screamed on the hills.

Updated again to a 2015 F250 Crew Cab Short Bed. It pulls effortlessly. I'm sold. I was always afraid to pull the trigger on a diesel. I think the more I read the more I made myself hesitant. My wife just said, "Just buy the diesel and we'll deal with what ever comes like we always do!"

Wife is awesome...


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Copperhead

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Posted: 11/24/18 07:06pm Link  |  Quote  |  Print  |  Notify Moderator

I was reminded yesterday why I don't have a diesel pickup. I filled up my 3/4 ton Chevy 6.0 gasser with E85 for $1.34 a gallon. This is why my pickup has been on E85 for well over a year now. The price spread makes is significantly more cost effective, even with the lower mpg.

And every day I have to deal with diesel in my commercial stuff, and paying for the 21,000 gallons of diesel I go thru in a year solidifies that I am glad I have a gasser pickup.

Bedlam

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Posted: 11/24/18 07:15pm Link  |  Quote  |  Print  |  Notify Moderator

If ethanol was not so subsided by government programs, you would not see that price. It takes more energy to create ethanol than it produces and just keeps the corn and soybean farms in the black with the government kick backs.


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Cummins12V98

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Posted: 11/24/18 10:50pm Link  |  Quote  |  Print  |  Notify Moderator

Bedlam wrote:

If ethanol was not so subsided by government programs, you would not see that price. It takes more energy to create ethanol than it produces and just keeps the corn and soybean farms in the black with the government kick backs.


So true!!!


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larry barnhart

wenatchee. wa usa

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Posted: 11/25/18 08:38am Link  |  Quote  |  Print  |  Notify Moderator

If I was not going to tow I would have a gas engine so our reasons for having a diesel is the right choice.

chevman

Copperhead

Central Iowa

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Posted: 11/27/18 12:12pm Link  |  Quote  |  Print  |  Notify Moderator

Bedlam wrote:

If ethanol was not so subsided by government programs, you would not see that price. It takes more energy to create ethanol than it produces and just keeps the corn and soybean farms in the black with the government kick backs.


Well that sounds cool, but ethanol subsidies were eliminated at the end of 2011. It was in all the papers. Even the Socialist news organization, National Public Radio, reported it.

https://www.npr.org/2012/01/03/144605485/congress-ends-era-of-ethanol-subsidies

As for taking more energy that Ethanol provides. Another false idea. A major study was done regarding this. For every BTU of energy to produce Ethanol, there is a net of 1.34 BTU of energy on the back end. In terms of liquid fuel alone, for every BTU of liquid fuel used to make ethanol, there is a net of 6.34 BTU of energy from ethanol. This 16 page report breaks it all down.

https://www1.eere.energy.gov/bioenergy/pdfs/energy_balance_of_corn_ethanol.pdf

Even regarding water... it takes almost as much water to produce a gallon of refined fuel as it does to make ethanol. And considerably less water than it takes to make many things we use in our daily lives.....

https://extension.illinois.edu/ethanol/wateruse.cfm

And even if it was subsidized to make, which it isn't, ethanol is still traded on the commodities exchanges just like gas, diesel, propane, etc and it is what the market says the price is that sets the price. The ethanol producers, corn growers, etc have nothing to do with it.


A mind is a terrible thing to waste.

* This post was edited 11/27/18 12:27pm by Copperhead *

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