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Unread 09-15-2012, 01:03 PM   #241
Havefun
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Quote:
Originally Posted by tnadanzig View Post
I do have more DPF pipes if anyone is interested. I have replied to the PM's, but I would be willing to give a discount for a group buy. The sprinter pipe is not even close. I wish it was that simple.
I'm ready. GDE has the software and tnadanzig has the hardware. Group buy anyone? I would like mine in Stainless please.


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Unread 09-15-2012, 01:18 PM   #242
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Quote:
Originally Posted by Havefun View Post
I'm ready. GDE has the software and tnadanzig has the hardware. Group buy anyone? I would like mine in Stainless please.
I am going to wait for the GDE tune and pipe....either way this is a big step for the WK CRD.
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Unread 09-15-2012, 01:23 PM   #243
tnadanzig
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Quote:
Originally Posted by torquey View Post
Just pm'd you tnadanzig. Scotty29 I'd like to get on your list. I've got the gde eco tune and its amazing. Great power band.
I got it, replied.

Quote:
Originally Posted by Havefun View Post
I'm ready. GDE has the software and tnadanzig has the hardware. Group buy anyone? I would like mine in Stainless please.
Sounds good.
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Unread 09-15-2012, 01:53 PM   #244
Havefun
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Quote:
Originally Posted by scootr29 View Post
I am going to wait for the GDE tune and pipe....either way this is a big step for the WK CRD.
Any time frame yet on the GDE package? Their tune is Great.
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Unread 09-16-2012, 11:09 AM   #245
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I'm in for the group buy with tnadanzig for the DPF delete. Once I get that I'll do the GDE tune.
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Unread 09-16-2012, 12:08 PM   #246
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Quote:
Originally Posted by jaje View Post
I'm in for the group buy with tnadanzig for the DPF delete. Once I get that I'll do the GDE tune.
jaje or tnadanzig could you start a separate post for a potential group buy for the tnadanzig dpf delete pipe.....
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Unread 09-16-2012, 12:12 PM   #247
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I'd be in. Plan to do the tune as well.

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Unread 09-16-2012, 03:12 PM   #248
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Group Buy Move

Quote:
Originally Posted by scootr29 View Post
jaje or tnadanzig could you start a separate post for a potential group buy for the tnadanzig dpf delete pipe.....
Done. Please see: Potential group buy for the dpf delete pipe thread on WK Grand Cherokee & XK Commander Forum
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Unread 09-16-2012, 05:37 PM   #249
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Ok, I gutted my DPF today and installed the no regen tune. It took me about 2 hours I think. At least one hour of that removing the ceramic honeycomblike matrix inside of the DPF.
Overall, it was easy enough.
1. vehicle on jackstands
2. spray penetrating fluid
3. Remove transmission belly pan -5 bolts-3 in back -2 in front
5. remove nuts from front and rear of dpf-these came off easily for me, the front top one was a little tight but came off with a 13 mm combination wrench
6. Pull flex attachment away from rear of dpf.
7. Lower transmission cross member. I unfastened one side and most of the other side but the last 2. I put a jack under the center. Mainly to keep it aligned with bolt holes.
8. with crossmember lowered the dpf is free to come out-Push towards the rear to disengage the hangar.
9. Gut the dpf any way you can. I beat on it with chisels, screwdrivers, and pieces of square tubing. It took awhile. It's densely packed in there. It came out in chunks. Took me about an hour. I didn't want to punch through the pipe wall so I went slower than I could have.
10. reinstallation was pretty easy
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Unread 09-16-2012, 06:00 PM   #250
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damn man good work
let us know how the DPF tune is!!
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Unread 09-16-2012, 06:07 PM   #251
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I went on a short country drive and it is a tiny bit louder. Fuel economy seems good but I can't really tell anything. With power, it seems maybe a little stronger. It seems to coast much easier now? Maybe this is in my head but it
seems to have less engine braking. Which is a good thing I think or will be for fuel economy.
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Unread 09-16-2012, 06:37 PM   #252
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That is what it looked like when I gutted the cats on my Silverado. Glad to hear it coast better. I could not believe how much the GC slowed down at any speed when you let off the throttle with the stock tune.
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Unread 09-18-2012, 10:12 AM   #253
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Does anyone that lives in an area that requires diesel emissions have any input on doing the dpf delete tune? I'm planning on getting the tune after I get mine back from the shop, but I'm not sure which tune I should get. Any suggestions?
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Unread 09-18-2012, 12:27 PM   #254
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Quote:
Originally Posted by Med_Phys View Post
Does anyone that lives in an area that requires diesel emissions have any input on doing the dpf delete tune? I'm planning on getting the tune after I get mine back from the shop, but I'm not sure which tune I should get. Any suggestions?
Im planning on trying to smog without the DPF, if not i will drive home, 4 bolts and install the thing, back to the smog station for the pass. Remove again once i get home.
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Unread 09-18-2012, 08:53 PM   #255
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I have been running the GDE ECO tune since the begining of the summer and highly recommend it

I origionally contacted Keith about his tune and the possibility to tune a DPF delete. After a few conversations I agreed to install the GDE ECO no regen tune when I got my DPF gutted. The plan was to run 2-3 tanks on the base tune and then delete/gut the DPF and install the appropriate tune. Well, time passed and I was busy fighting forest fires in northern alberta. During that time I got a good baseline milage between stock eco tune and now I am ready to provide him with no regen mileage result.

If you are on the fence about getting this tune I would highly recommend it. The ECO tune provides everything that is advertised. There is still a little turbo lag when launching from a stand still but if you're not expecting to dart accross a busy freeway lane of oncoming traffic you will be very happy ... I wouldn't even dream of doing that with the stock tune!!! I got 2mpg increase with ECO Tune, hand calculated and find it hard to stay off the skinny peddle. Passing and uphill climbs are a breeze now.

So onto the DPF delete, I looked into replacement cost for the DPF before jumping into this project. At $5000+ cdn it was not a decision that was made lightly ... after some anxious moments waiting for a local muffler shop to finish gutting my DPF it was time to load up the new tune. That took less time that the origional load, when I fired up for the first time I only noticed a slight increase in tone. I now notice a drone that is a few decibles louder than stock and can hear the truck start up in the driveway ... not a loud as my 6.7L cummins with straight pipe. Time for some more aggressive tires to drown out the drone. If you are expecting stock exhaust noise level I would recommend keeping your DPF intact or be prepared to buy a high flow muffler. Fuel mileage and seat of the pant tourque do not seem to have changed by gutting the DPF.

To recap, LOVE the tune and highly recommend to everyone I talk too. I am still working with Keith on fuel economy figures and will post when final testing is completed.
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