DPF delete milage increase? - Page 2 - Competition Diesel.Com

weazel · 04-20-2012, 11:58 PM

Anywhere from 2-7mpg better than stock depending on driving habits with mine.

LAGUNA GRANDE · 04-23-2012, 07:12 PM

What does DPF and EGR stand for? I have an 08 and would like better fuel mileage and I read this thread.

Big Swole · 04-23-2012, 08:19 PM

Quote:

Originally Posted by LAGUNA GRANDE

What does DPF and EGR stand for? I have an 08 and would like better fuel mileage and I read this thread.

EGR = Exhaust Gas Recirculation - On top of the motor

DPF = Diesel Particulate Filter - In the exhaust system

White00 · 05-02-2012, 07:51 PM

Been reading a bunch about deletes on here. I'm wondering what are the performance and sound differences between doing a 4" downpipe/dpf delete pipe vs a full 5" straight pipe?

DaveMatthews · 05-03-2012, 01:38 AM

Doing some testing on a customer's 6.7 mega cab tonight. Only did 2.5 hours of hwy driving and its really flat down here. Had about a 10mph head wind one way, and of course the same tail wind the other way. 23.15 mpg's. That's without a trailer of course. Fully deleted with efi & a 366.. I did have about 750 lbs of top soil in the bed.. and he has 3.42 gears..

I've seen as high as 25 and as low as 20 on different trucks with diff setups..

Gibson · 05-03-2012, 09:17 AM

Go full 5" with a muffler or FTE resonator. These things need to get rid of the air. Since they move more than the 5.9

04-20-2012, 11:58 PM	#21
weazel Name: weazel Title: 5th gear killer Status: Not Here Join Date: May 2008 Location: Mason, TX Member`s Gallery Posts: 2,252	Anywhere from 2-7mpg better than stock depending on driving habits with mine. __________________ 88 Chevy Half Ton/ LB7 conversion 08 Chevy 3500HD, efi, 5” exhaust

05-02-2012, 07:51 PM	#24
White00 Name: White00 Title: Rookie Status: Not Here Join Date: May 2011 Location: BG, KY Member`s Gallery Posts: 10	Been reading a bunch about deletes on here. I'm wondering what are the performance and sound differences between doing a 4" downpipe/dpf delete pipe vs a full 5" straight pipe? __________________ 00 2500 Reg cab 5 speed. Comp, Mads ECM, SBC, & Stacks 337hp 774lbs.....Gone and Missed 08 Quad Cab Larmie H&S and some Sinister blue parts for now...

05-03-2012, 01:38 AM	#25
DaveMatthews Name: DaveMatthews Title: Too Much Time Status: Not Here Join Date: Mar 2011 Location: Amarillo, TX Member`s Gallery Posts: 303	Doing some testing on a customer's 6.7 mega cab tonight. Only did 2.5 hours of hwy driving and its really flat down here. Had about a 10mph head wind one way, and of course the same tail wind the other way. 23.15 mpg's. That's without a trailer of course. Fully deleted with efi & a 366.. I did have about 750 lbs of top soil in the bed.. and he has 3.42 gears.. I've seen as high as 25 and as low as 20 on different trucks with diff setups.. __________________ 2008 6.7: Revmax 850, Lockup Vb Custom Tuning by Draconian Diesel

05-03-2012, 09:17 AM	#26
Gibson Name: Gibson Title: There's no love in diesel Status: Not Here Join Date: Oct 2008 Location: Gonzales, Texas Member`s Gallery Posts: 4,076	Go full 5" with a muffler or FTE resonator. These things need to get rid of the air. Since they move more than the 5.9 __________________ all my trucks are broke down 2003 Dodge 2500 Cummins QC SRW

04-23-2012, 07:12 PM	#22
LAGUNA GRANDE Name: LAGUNA GRANDE Title: Rookie Status: Not Here Join Date: Feb 2012 Member`s Gallery Posts: 29	What does DPF and EGR stand for? I have an 08 and would like better fuel mileage and I read this thread.