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6.7L Power Stroke Diesel 2011-current Ford Powerstroke 6.7 L turbo diesel engine

Removing DEF/CAT/UREA

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Old Apr 1, 2011 | 10:03 AM
  #1  
mackda600's Avatar
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Removing DEF/CAT/UREA

bought a dpf/cat removal pipe and black maxx tuner. apparently the ure is no longer needed. do you guys just drain the the DEF tank and leave hose hanging?

doing this install in about an hour or so. any suggestions greatly appreciated....
 
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Old Apr 1, 2011 | 10:17 AM
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Are you referring to a 2011 Ford diesel modification? I was looking at your signature and personal profile and did not notice a 2011.
 
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Old Apr 1, 2011 | 10:19 AM
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yes 2011 6.7, its my neighbors truck... good looking out though!
 
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Old Apr 1, 2011 | 10:31 AM
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Hmm, while I don't have any technical suggestions, I would just point out the obvious. Hopefully the neighbor understands the warranty would become void after the mod you describe. Umm, be careful. Take pix. Post results. Maybe get a disclaimer from neighbor. I'm not trying to be smart a@@, but there is a lot of curiosity about modding and tuning these trucks. Interested to see their full potential. Just not ready to sacrifice my virgin yet.
 
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Old Apr 1, 2011 | 11:00 AM
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so far my truck has gotten 18.5 mpg on the highway with WINTER fuel, this is exactly what my '93 dodge cummins single cab 2wd truck got on the same fuel. that truck weighed 2000#'s less was not 4wd and was much lighter, it also had no electronics, cat, or for that matter any pollution controls. these trucks are regarded as getting the best mileage of pretty much any diesel full size truck.

the point is my 2011 is matching what that truck did, as a result at this point I think its foolish to remove the pollution controls on these trucks, if they drank fuel like the 6.4's then yeah by all means get rid of it, but they don't.
 
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Old Apr 1, 2011 | 12:33 PM
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Originally Posted by cummins cowboy
so far my truck has gotten 18.5 mpg on the highway with WINTER fuel, this is exactly what my '93 dodge cummins single cab 2wd truck got on the same fuel. that truck weighed 2000#'s less was not 4wd and was much lighter, it also had no electronics, cat, or for that matter any pollution controls. these trucks are regarded as getting the best mileage of pretty much any diesel full size truck.

the point is my 2011 is matching what that truck did, as a result at this point I think its foolish to remove the pollution controls on these trucks, if they drank fuel like the 6.4's then yeah by all means get rid of it, but they don't.
exactly...and if the OP reads the other thread currently running here he will find many reasons as to why this is a bad idea...unless the warranty means nothing to his buddy...It surely looks like once you cross over to the tuner side...no returning for any warranty!

Here is the mentioned thread:

https://www.ford-trucks.com/forums/1...ogrammers.html

Regards
 
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Old Apr 1, 2011 | 12:36 PM
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Unless you got someway to trick the computer (don't know if that black max will do that), you will probably end up in limp mode once you drain the DEF tank... just some food for thought.
 
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Old Apr 1, 2011 | 12:54 PM
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I say go for it and see what happens. Just make sure he knows the risks before doing it. I have to respect anyone who is willing to void the warranty on a $60,000 truck that will cost over a grand for even the simplest of repairs. Stick it to the man!
 
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Old Apr 1, 2011 | 01:12 PM
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Originally Posted by Ian123
I say go for it and see what happens. Just make sure he knows the risks before doing it. I have to respect anyone who is willing to void the warranty on a $60,000 truck that will cost over a grand for even the simplest of repairs. Stick it to the man!
"stick it to the man"

Who is the man? His buddy or Ford...either way the warranty is gone...

Regards
 
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Old Apr 1, 2011 | 01:36 PM
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I think he meant "the world" instead of "the man". Or maybe he meant "the EPA", which many folks mistakenly believe is a group of people whose only objective is to screw with diesel trucks
 
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Old Apr 1, 2011 | 02:03 PM
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You are already at 400/800, why would you need anymore? Any increase in hp or fuel economy by voiding the warranty on $50,000+ truck IMHO is stupid. Hope the company supplying the tuner will replace his warranty, not likely, or the owner has the money to replace the engine if necessary.

Big gamble just so you can say it's "tuned". Good luck.
 
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Old Apr 1, 2011 | 02:09 PM
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Sounds like someone is enjoying this first day of April
 
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Old Apr 1, 2011 | 02:37 PM
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Smile

Shes all done, took 3 hours to complete start to finish. that included the tuner install (black maxx) and removing the exhaust components.

Tuner does modify the programming for the DEF so on and so forth. truck has a significant increase in power and response also sounds MUCH better.

didnt take any pics...

pretty straight forward install too.

PS the tuner has go to be one of the easiest I've seen to date!
 
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Old Apr 1, 2011 | 02:46 PM
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as to sounds, that is my favorite thing about the 6.7 it doesn't have ANY. my truck passes the drive through test every time. its so quiet at highway speeds you can't tell the truck is a diesel.

I hope you guys didn't straight pipe the truck v8 diesels sound horrible straight pipped. got a neighbor with a dmax that sounds aweful, while taking a shower I can hear that stupid truck drive to the end of the street and turn before I stop hearing the sound. no v8 sounds good straight pipped, the cummins does sound like a peterbuilt but even that I have grown tired of. it also adds NO horsepower and does nothing but make noise.
 
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Old Apr 1, 2011 | 03:04 PM
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Well that was quick. Keep us posted. BTW why were you inquiring yesterday about where to buy def? Was that for the same neighbor? Just curious.
 
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