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-   -   DPF DELETE WARNING (https://www.dieselbombers.com/6-4l-performance/29812-dpf-delete-warning.html)

bobcat67 08-16-2009 01:54 PM


Originally Posted by HWY4X4 (Post 376040)
MR. HILLBILLY.

Your tag or profile says 23+ mpg with 6.4Liter 2008? My question is How the f@#$ do you get 23 mpg. At 70 mph With Hypertech tuner I get 13.5mpg prior to tuner 11.5mpg. I drive roughly 4500 miles a month. 23mpg would save my butt, 18mpg would be an erotic moment.

the lift and 35" tires probably aren't helping your cause to much, do you have the speedometer corrected for tire size?

HWY4X4 08-21-2009 01:16 AM

YES IT IS CALIBRATED AND CONFIRMED BY MY GPS AS TO SPEED. WHAT TUNER DO YOU USE? I AM THINKING COLD AIR INTAKE MAY HELP, BUT IM A DRIVER NOT A MECHANIC AND THEY ALL OF COURSE CAN PROVE THEY ARE THE BEST, ANY TIPS?

---AutoMerged DoublePost---

OH P.S. - Bought truck in feb 09 i think and 41k mileage so do i really care about 3/36 warranty.

stkdram55 08-21-2009 01:32 AM

delete your DPF and you will see a huge difference in MPG

Big Angry Hillbilly 08-21-2009 03:17 PM


Originally Posted by HWY4X4 (Post 382689)
YES IT IS CALIBRATED AND CONFIRMED BY MY GPS AS TO SPEED. WHAT TUNER DO YOU USE? I AM THINKING COLD AIR INTAKE MAY HELP, BUT IM A DRIVER NOT A MECHANIC AND THEY ALL OF COURSE CAN PROVE THEY ARE THE BEST, ANY TIPS?

---AutoMerged DoublePost---

OH P.S. - Bought truck in feb 09 i think and 41k mileage so do i really care about 3/36 warranty.

You don't are about the 5/100 diesel engine warranty?

dietz4ibanez 08-21-2009 04:31 PM

Man I sure wish that I knew this before I deleted mine! :rock:

Big Angry Hillbilly 08-21-2009 06:28 PM


Originally Posted by dietz4ibanez (Post 382941)
Man I sure wish that I knew this before I deleted mine! :rock:

I don't know if GM runs their warranty the same way...might be something worth looking into if you can.

gunman41mag 08-23-2009 08:37 PM

So far all i've done to my 6.4 is add a AFE PRO 7 DRY drop-in air-filter, I'm only getting 12 MPG in the city & 15.8 MPG in the highway. I'm at 14,692 miles

Trapper-db 11-15-2010 06:10 PM


Originally Posted by Big Angry Hillbilly (Post 370059)
At the very least, find yourself a warranty friendly technician,:w2: and pray that Ford doesn't send an inspector to look at it should there be a catastrophic failure.

I am sure being of a high caliper intelect such as yourself, you get TONS of bs questions regarding the Fords Diesel. Well sir here goes another ( if you dont mind). I purchased my first Diesel back in May, I have always been a gaser kinda fella, well I am finding that she is like a wife very expensive to maintain and heck to any upgrades to her for that matter.

I want to do some upgrading but nothing that is going to void the warranty ( at least until it expires ( almost 57K miles on her now ) fuel MPG is killing me @ 10.2 10.4 in town, and maybe 13.5 highway. Would you happen to have any recommendations for me that are fairly cheap ( i blew my wad on the truck buying it and the wife, well im sure you know!:scare2: ) and a good quality product.

Thank You sir for your time and patience
I hope with your reponse I am able to do the upgrades and report back with positive news.:rocking:

Thanks again:hellox:
Trapper-db

Diesel Dawgs Performance 11-15-2010 09:06 PM

From what I have seen and read the only way to get any reasonable mileage gain is to delete the DPF.

diesel pap 11-15-2010 09:55 PM

everybody that buys a dpf delete off of me reports back good mpgs. :tu:


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