6.7L Cummins Forum

Trying to reduce emissions from any combustion engine is not stupid, it's being a good steward of our planet and natural resources. These exhaust systems are mandated by federal law and federal law requires that they not be tampered with. We here have taken a stand that we will do everything in our power to work within the system. This is why squid started this site, he has given us the tools to make the most out of trucks while thinking forward to the environment that our children and grandchildren will inherit. You, do not seem to be happy with that concept. That is why I suggested you move to another site that welcomes your short term thinking

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7.5 3500QC 6.7CTD 68RFE Build date June 2007
Superchips tuner 3808, Boost/EGT Laser Gauge, Airaid cold intake

Ok whatever i will keep posting bout how great the dpf delete is. The longer you keep that dpf on the more fuel you are wasting thus causing the oil companies to make more fuel thus causing more emissions on our planet. This is also why i live in the great state of WY no emissions laws. I didnt delete everything in short term of our planet i did it for the longevity of the truck.

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07.5 QC 4x4
6sp/3250dd sbc
Edge juice/w att
Egr mia
AFE mega cannon
H@S 4in tbe/Magnaflow Muff
18in 766 Diesels
Hell Bent 2in leveling kit
Spray in bed liner and the rocker panels

I don't think Vis meant any disrespect, I know I don't. I think everyone would agree that the engines would be happier without all the antipollution stuff on them and I also won't pretend that there aren't DPF deletes, EGR deletes, etc, etc and there are plenty of other sites that document and even push using these deletes as the solution to every problem/code that crops up and the bottom line is, "your truck, your decision".

I started this site when there were so many other well established sites because I want to try and work with the systems that are on the truck. The argument that if you care about your engine you'll remove all the antipollution stuff on it holds no weight with me and believe me after 2 weeks of not driving my truck while dealing with the oxygen sensor module P/N fiasco ripping out the DPF and the oxygen sensors would have been the quick and easy solution but I didn't (Not that it didn't cross my mind).

Cummins drove 100's of thousands of miles with this engine setup and if the antipollution system hurt the engine Cummins wouldn't advertise that the 6.7L will go 300,000 miles of Heavy Duty use before needing a major rebuild if they hadn't already done it. With that said I too realize that there are plenty of people who bought these trucks to haul their 5th wheel TT a few times a years and use the trucks as daily drivers the rest of the time and they are really having problems and it's a shame that Cummins didn't think of them when they configured the 6.7L but I think they're heading in the right direction and I also will bet you a $100 bill that someone is already working on a better DPF for our trucks and may be the same people that does the Cat system so we the owners can clean them out.

Anyway, we don't want anyone to go to another site but we also don't want to be pushing deletes here when a change in driving style, sealing connectors if you drive in high water or some other solution may fix a problem that someone has because no matter how you feel about global warning Pollution is real, on the rise and we are causing it every time we turn the Key to start our trucks.

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10

I am glad I read this old thread, I didn't realize how strong and tall the wall is.
I did the DPF delete before I saw this thread. I am not certain I agree with the intense view that you are one or the other.

Deleting the DPF does cause soot to be released, but while burning signifcantly less fuel. Doesn't the smaller fuel burn count, is that not one way to reduce emissions? What is soot anyway? Gas engines use a catalyst to convert carbon/monoxide to H2O. Thus reducing the quantity of vapours being released. So this soot, is it toxic, or just simply dirty? It is not a vapour, it's a solid and visible, so the politicians have jumped on this as an issue. Am I wrong?

Oh, I feel I should comment on the 5.9 vs. 6.7. Yes I had a choice, a 5.9 with a zillion miles on it or a new 6.7. It more than the number of miles on the engine, if you are looking at a high mileage truck, it might run well but often the rest of the truck is beat.

I really never wanted to get into the DPF delete debate thus the reason I started the site because that's all I read on other sites and really that's the bottom line.

I also ride Superbikes, do you think they have all the EPA stuff on them? The difference between the two is cost, ease of removal and replacement along with the fact they spend most (But not all) of their time on the track. Like I said I'm just wanting to help those that have no choice but to live with anti Pollution stuff which people that delete it seem to not understand.

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10

I appreciate your efforts here, this is a Great site, but

Squid, you da Man!

An 1098 and a RSV4!
I have not even seen an RSV yet!
But I have ridden CMP in Kershaw with the Desmo boys.
I have also done Mid-Ohio with the Code school and Buttonwillow with Doug Polan, as well as Gratton, Mosport, Shannonville and my favorite ...Calabogie!
Calabogie is a new track, 2 years, in eastern Ontario. 22 turns and elevation changes, more fun than anywhere else I've been. You should try it Squid! The DOCC (DucOwnersOfCanada) do a 3 day week-end at this track every August. They'd love you with your stable of bikes!
Sorry about the highjacking, where were we?

I'm not real interested in joining a debate, but there are few facts that have been left out of the discussion:

The laws of physics have not been altered to suit the government, even the CALIFORNIA government. Physics says that for every pound of material burnt a pound of material remains. The simplest way to understand it is that in the case of our trucks a pound of diesel fuel is converted to a variety of gases and particulate (soot, nitrous oxide, etc).

The idea of the emissions components began in the 1970's with good intentions of altering specific components released into the atmosphere and rendering them into a less harmful form. Specifically for gasoline engines, the prefered fuel for American consumers. Gasoline as a fuel contains far less energy per unit than diesel fuel does, and gasoline engines convert this fuel to work far less efficiently than a diesel engine does, and at the time gasoline contained heavy metals as additives so the idea of converting these polutants to something less harmful was a rather altruistic idea.

It has since gotten off the track. The diesel trucks that we drive today have far superior engines and engine management systems than the gas trucks of the 1970's yet stock we get about the same fuel mileage of a 1979 Ford Camper Special with a 390 cubic engine. Why? because of all of the garbage installed in the name of clean air. Yes these trucks measure very clean for the specific pollutants examined during a smog test, but the laws of nature have yet to be adjusted due to federal or state mandate. A pound of fuel still equals a pound of exhaust.

If removing ill advised equipment cuts the fuel consumption per mile delivered in half, then so to has the polution created per mile delivered. This of course says nothing of the positive economic impact to our wallets.

Hello everyone good to be here!

if the emissions are mandated for 2010, whats it got to do with a 2008,

2007.5 and older cummins, got decent milage, the dpf models dont, what does this tell you,,,,,,,,,,,,the more fuel you burn the more fuel tax money the govt, gets, easy to understand,