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6.4L Power Stroke Engine and Drivetrain Discussion of the 6.4L Power Stroke diesel engine and drivetrain in the 2008-Up Super Duty trucks. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.4L Power Stroke engine.

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Old 12-13-2012, 03:05 PM   #16 (permalink)
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Originally Posted by Oak Hill Farm View Post
Correct, I was an electronic technician, now in mgmt. Engineers always provide a challenge to us common-sense thinkers. I guess that keeps us on our toes and we keep them in check by presenting simple solutions in contrast to their complicated ones.
Unfortunately, this was questioned of ford in the beginning. Why not tell the owner at what stage the dpf is at and allow the owner to initiate the cycle. Like it is done in heavy trucks. It is supposed to have pressure sensors. If the owner does not initiate the regen cycle often enough then it could be automatic. They said they want it to be automatic and transparent i.e. the owner won't know it is happening, hence why they have shortened and in some cases removed the indication on the display. I was hoping at one point that an aftermarket tuning company would have done this but none has as of yet.
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Old 12-13-2012, 06:06 PM   #17 (permalink)
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I was hoping at one point that an aftermarket tuning company would have done this but none has as of yet.
Seems surprising that no aftermarket tuner has included this type of feature. Would certainly sell me on it. Perhaps *everyone* is terrified of getting anywhere even close to the EPA regs.

Of course, we could rehash the old question of why Ford didn't simply plumb a dedicated injector right into (or just before) that damned old DPF.

Sorry, DPF/regen topics just make me crazy! I *love* my truck and I *HATE* that #$*& DPF.

- Don
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"You can set my truck on fire, roll it down the hill, and I still wouldn't trade it for a Coupe d'Ville."
Rant: Do you know what you actually pumped into your tank on last fill-up? (cetane level, fuel quality, water, etc)
Notice: Anything that I or anyone else writes about my vehicle on this, or any other, website pertaining to modifications or alterations, is only for discussion purposes and/or to gain acceptance from my peers, and may not actually represent anything existing on my truck, and thus, can not and should not be held against me in any issues, i.e. warranty claims, whatsoever that may arise for any cause.

Last edited by RDG; 12-15-2012 at 09:29 AM.
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Old 12-13-2012, 06:21 PM   #18 (permalink)
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I really don't find it a hassle based upon my use. My last regen was at about 350 miles and the previous two were 242 and 260 ish respectively as I was towing for those.

Running the banks seems to help. They really should have made a user interface to manually regen if desired.
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Old 12-14-2012, 07:43 AM   #19 (permalink)
 
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Originally Posted by deliberate View Post
Of course, we could rehash the old question of why Ford didn't simply plumb a dedicated injector right into (or just before) that damned old DPF.

Sorry, DPF/regen topics just make me crazy! I *love* my truck and I *HATE* that $*&& DPF.

- Don
Just remember that Ford didn't do it because they wanted to, they did it because they were forced to. This is all the Government's fault. They forced the car companies to put this stupid crap on our trucks, then force the oil companies to make a different type of fuel that has less energy, less yeild and a higher cost...just so our exhaust tips are clean.

It's pretty irritating.
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Last edited by RDG; 12-15-2012 at 09:30 AM.
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Old 12-14-2012, 09:13 AM   #20 (permalink)
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... when was EPA standards call for A DPF AND What is the 2006 standards?
The EPA never required a DPF or any other specific hardware. The EPA only specifies tailpipe emission limits, in this case 0.02 grams of particulate matter per mile. Ford chose to use a DPF to meet the EPA standard.
Emission Standards: USA: Cars and Light-Duty Trucks?Tier 2



Quote:
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... why Ford didn't simply plumb a dedicated injector right into (or just before) that damned old DPF. ...
It would increase the production cost and reduce the profit margin.
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Last edited by drcampbell; 12-14-2012 at 07:41 PM.
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Old 12-14-2012, 07:20 PM   #21 (permalink)
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Just remember that Ford didn't do it because they wanted to, they did it because they were forced to.
(snip)
.
I *do* understand why Ford had to do it, I just don't understand the Mickey Mouse way they implemented it. IMO, very poor cost/benefit design decisions pushing everything out onto the owner/operator. Too many accountants spoil the soup.

Thanks. Wish you all weren't at the other corner of the US from ID.

- Don
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"You can set my truck on fire, roll it down the hill, and I still wouldn't trade it for a Coupe d'Ville."
Rant: Do you know what you actually pumped into your tank on last fill-up? (cetane level, fuel quality, water, etc)
Notice: Anything that I or anyone else writes about my vehicle on this, or any other, website pertaining to modifications or alterations, is only for discussion purposes and/or to gain acceptance from my peers, and may not actually represent anything existing on my truck, and thus, can not and should not be held against me in any issues, i.e. warranty claims, whatsoever that may arise for any cause.

Last edited by RDG; 12-15-2012 at 09:31 AM.
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Old 12-15-2012, 08:40 AM   #22 (permalink)
 
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Originally Posted by drcampbell View Post
The EPA never required a DPF or any other specific hardware. The EPA only specifies tailpipe emission limits, in this case 0.02 grams of particulate matter per mile. Ford chose to use a DPF to meet the EPA standard.
Emission Standards: USA: Cars and Light-Duty Trucks?Tier 2

It would increase the production cost and reduce the profit margin.
Exactly my point.

The Government says it must be so..

Jump? Sure, how hey would you like us to jump?
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Old 12-15-2012, 10:09 PM   #23 (permalink)
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Ok it gone.. On the highway 23 mpg (at 70 mph) to 26 mpg(65 mph) a 2 hour trip and in the city 22 mpg so far.
Cleaning Exhaust Filter-1214121354.jpg

with exhaust filter and cat 13mpg highway only if I go under 65 mph and city 11 mpg if it not cleaning 6 in cleaning. And if it stuck in cleaning mode when your going to Florida at a fuel cost of $1000 one way and 5 dealer later.
So if I use less fuel does that means cleaner air over years or sooner.
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Last edited by chuck_s_jr; 12-15-2012 at 10:29 PM.
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Old 12-16-2012, 11:14 AM   #24 (permalink)
 
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Isn't it amazing how well things work when you get the Government out of the way AND out of your pocket.
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Question with Boldness.

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Old 12-16-2012, 12:59 PM   #25 (permalink)
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Ok it gone.. On the highway 23 mpg (at 70 mph) to 26 mpg(65 mph) a 2 hour trip and in the city 22 mpg so far.
Congrats! Please let us know your hand-calc MPG before/after, when you have the time and/or more fill-ups.

Thanks,
- Don
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2010 F350 SRW 6.4L 3.55 CrewCab FX4 SB KingRanch - built Jan 2010 - bought new Dec 2010
"You can set my truck on fire, roll it down the hill, and I still wouldn't trade it for a Coupe d'Ville."
Rant: Do you know what you actually pumped into your tank on last fill-up? (cetane level, fuel quality, water, etc)
Notice: Anything that I or anyone else writes about my vehicle on this, or any other, website pertaining to modifications or alterations, is only for discussion purposes and/or to gain acceptance from my peers, and may not actually represent anything existing on my truck, and thus, can not and should not be held against me in any issues, i.e. warranty claims, whatsoever that may arise for any cause.
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Old 12-16-2012, 02:06 PM   #26 (permalink)
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Originally Posted by chuck_s_jr View Post
... So if I use less fuel does that means cleaner air ...
Sorry, it's not that simple.

Burning less fuel results in less carbon dioxide being emitted, but CO2 is the only tailpipe emission for which that's true.

There's no direct correlation between fuel economy and carbon monoxide, unburned hydrocarbons, particulate matter, nitrous oxides or formaldehyde tailpipe emissions.
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1986 Isuzu P'up, 177,673.8 miles.
- Hella headlights (highly recommended)
- DOT C-2 back end (also recommended)
- R-12 air conditioner converted to R-406a. Saved ozone and money
- 4.1:1 final drive converted to 3.4:1. Quieter, better mileage but it's a good thing I live in the flat Midwest.
- 9/22/2007, age 21: Still running well when reluctantly sent away for reincarnation, due to body & frame rust.
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Old 12-17-2012, 08:24 PM   #27 (permalink)
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Chuck s,
Whichh tuner did you go with?
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Old 12-17-2012, 08:31 PM   #28 (permalink)
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Old 12-18-2012, 02:03 AM   #29 (permalink)
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I have found that simply putting the truck in park does not apparently end the regen cycle. I have watched the DPF temps continue to climb for quite some time during "driveway idle". I have also observed some very goofy cycles while on the road.
Yup, I've seen the same. As long as the DPF is hot enough (>800F), soot will continue to burn as long as there is oxygen in the exhaust. So might as well take advantage of it until it stops producing heat. I've been watching the EGR Valve desired opening. It cycles wide open right after regen completes and appears to kill any remaining burn.
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Old 12-18-2012, 01:16 PM   #30 (permalink)
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I've been watching the EGR Valve desired opening. It cycles wide open right after regen completes and appears to kill any remaining burn.
Wow, how do you monitor that value? If SGII, which XGAUGE settings please?

That is a very interesting observation and would explain why the DPF temp drops so dramatically on completion when driving, unlike after a interrupted regen. My favorite Ford tech did tell me that the EGR is an important part of the regen cycle but didn't mention that. Very interesting .......

Thanks,

- Don
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2010 F350 SRW 6.4L 3.55 CrewCab FX4 SB KingRanch - built Jan 2010 - bought new Dec 2010
"You can set my truck on fire, roll it down the hill, and I still wouldn't trade it for a Coupe d'Ville."
Rant: Do you know what you actually pumped into your tank on last fill-up? (cetane level, fuel quality, water, etc)
Notice: Anything that I or anyone else writes about my vehicle on this, or any other, website pertaining to modifications or alterations, is only for discussion purposes and/or to gain acceptance from my peers, and may not actually represent anything existing on my truck, and thus, can not and should not be held against me in any issues, i.e. warranty claims, whatsoever that may arise for any cause.
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