Deleting SCR/DPF/DEF/ETC vs. just EGR - Jeep Garage - Jeep Forum

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Old 08-10-2015, 08:11 PM
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Question Deleting SCR/DPF/DEF/ETC vs. just EGR

I am sure this has been discussed at great lengths, but I can't seem to find a definitive answer.

I know the EGR delete will eliminate the oily soot build up in the intake. Will it result in any other benefit?

The SCR/DPF delete allows for reduced maintenance and the ability to run a turbo-back exhaust. This would also increase performance, sound and smoke.

I want to do both, but it seems most tuners will not do this due to either EPA or the need to do further testing or concerns with lack of required back pressure that the turbo is designed to have.

Can someone please settle this for me?

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Old 08-10-2015, 08:27 PM
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Re: Deleting SCR/DPF/DEF/ETC vs. just EGR

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Originally Posted by BadTA View Post
I am sure this has been discussed at great lengths, but I can't seem to find a definitive answer.

I know the EGR delete will eliminate the oily soot build up in the intake. Will it result in any other benefit?

The SCR/DPF delete allows for reduced maintenance and the ability to run a turbo-back exhaust. This would also increase performance, sound and smoke.

I want to do both, but it seems most tuners will not do this due to either EPA or the need to do further testing or concerns with lack of required back pressure that the turbo is designed to have.

Can someone please settle this for me?

You should email the nice guys at Green Diesel Engineering and they can explain to you what you need or don't need. Today's diesel engine is not what yesterdays diesel is ever going to be again. Knowing that these guys at GDE know their stuff.
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Old 08-10-2015, 08:53 PM
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Re: Deleting SCR/DPF/DEF/ETC vs. just EGR

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Originally Posted by chadg2 View Post
You should email the nice guys at Green Diesel Engineering and they can explain to you what you need or don't need. Today's diesel engine is not what yesterdays diesel is ever going to be again. Knowing that these guys at GDE know their stuff.
I have spoken to GDE. They don't offer SCR/DPF delete. Liability is one concern plus they are the ones that told me the turbo was designed to have back pressure and opening the exhaust up could cause issues.
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Old 08-11-2015, 09:24 PM
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Deleting SCR/DPF/DEF/ETC vs. just EGR

PPEI Tuning is doing full deletes and tunes.


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Old 08-11-2015, 09:49 PM
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Re: Deleting SCR/DPF/DEF/ETC vs. just EGR

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PPEI Tuning is doing full deletes and tunes.


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I've heard this, but I can't seem to find solid info. I just might give them a call in the morning.
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Old 08-11-2015, 09:56 PM
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Re: Deleting SCR/DPF/DEF/ETC vs. just EGR

Join the "ecodiesel performance" group on Facebook. James Warren from Rolling Smoke Diesel is the moderator.


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Old 08-11-2015, 10:22 PM
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Re: Deleting SCR/DPF/DEF/ETC vs. just EGR

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Join the "ecodiesel performance" group on Facebook. James Warren from Rolling Smoke Diesel is the moderator.


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Done. Thank you!
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Old 08-11-2015, 10:23 PM
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Re: Deleting SCR/DPF/DEF/ETC vs. just EGR

Yep, enjoy!


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