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-   -   MILEAGE DROP (https://www.dieselbombers.com/ford-powerstroke-03-07-6-0l/106383-mileage-drop.html)

BIRDHUNTER 12-09-2012 07:22 PM
MILEAGE DROP
 
2003 6 LITER, SCT STREET TUNE, EGR DELETE, JUST WENT TO 4IN. TURBO BACK EXHAUST, LOST ABOUT 2 MPG
ANY WAY TO GET IT BACK?

bkmac 12-09-2012 07:32 PM
Smart ass answer - Don't mash the metal with all that new power:jump:

Diesel_Daddy6.0 12-09-2012 09:17 PM
Originally Posted by bkmac (Post 969919)
Smart ass answer - Don't mash the metal with all that new power:jump:
YUP!!! Keeping my foot out of it is the difference between my rig getting 15MPG and 18MPG

HeavyAssault 12-10-2012 03:16 AM
Originally Posted by BIRDHUNTER (Post 969914)
2003 6 LITER, SCT STREET TUNE, EGR DELETE, JUST WENT TO 4IN. TURBO BACK EXHAUST, LOST ABOUT 2 MPG
ANY WAY TO GET IT BACK?
How long have you been running this setup that you noticed the drop in MPG?? Is the SCT tuning the "canned" tune or a custom tune??

BIRDHUNTER 12-10-2012 01:48 PM
SCT CANNED STREET TUNE, NO PROBLEM. MILEAGE DROPPED ON INSTALL OF 4IN. TURBO BACK EXHAUST

Karls03 12-10-2012 02:01 PM
1 Attachment(s)
Originally Posted by BIRDHUNTER (Post 970154)
SCT CANNED STREET TUNE, NO PROBLEM. MILEAGE DROPPED ON INSTALL OF 4IN. TURBO BACK EXHAUST
If you still have the OEM air box take off that restrictive front on the box. Sounds like you're getting the air out faster than you can bring it in. Also, try the Zoodad Mod (opening up the front fiberglass in front of the air box). I did both AND added a drop in AiRaid filter. :tu:

BIRDHUNTER 12-10-2012 02:36 PM
THANKS, I WILL OPEN UP THE AIR BOX AND CHECK THE MILES.

Mdub707 12-10-2012 02:49 PM
You still shouldn't be dropping 2mpg just from adding an exhaust.... are you sure you're just not on the skinny pedal more now that you can hear that thing screaming?

HeavyAssault 12-10-2012 05:20 PM
Originally Posted by Karls03 (Post 970158)
If you still have the OEM air box take off that restrictive front on the box. Sounds like you're getting the air out faster than you can bring it in. Also, try the Zoodad Mod (opening up the front fiberglass in front of the air box). I did both AND added a drop in AiRaid filter. :tu:

I just cut down the "snorkel" on the OEM piece. Works great !!

gunman41mag 12-10-2012 05:38 PM
The last time I lost 2 mpg, it was caused by a stuck caliper:argh:


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