Poor MPG??? - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 06-27-2011, 06:17 PM Thread Starter
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Poor MPG???

I just bought my 2005 SD about 3 weeks ago. My dash is telling me that I'm getting 9.6 MPG... The truck is completely stock as far as I know, except for an Airaid cold air intake... Is this normal???



--Johnny--

'05 F250 Crew Cab, Lariat, FX4,
8" lift Fabtech 4 link
37" Toyo Open Country MT
'03 Turbo
Edge Insight CTS, SCT X3
ARP head studs
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STC fitting update
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blue spring mod
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post #2 of 8 Old 06-27-2011, 07:12 PM
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the dash is known for being wrong, have you hand calculated it?
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post #3 of 8 Old 06-27-2011, 07:13 PM Thread Starter
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No, not yet... I will do that next time I fill it up... Do you think putting 4" turbo back exhaust and an SCT tuner will help?



--Johnny--

'05 F250 Crew Cab, Lariat, FX4,
8" lift Fabtech 4 link
37" Toyo Open Country MT
'03 Turbo
Edge Insight CTS, SCT X3
ARP head studs
RCD EGR delete
STC fitting update
Dummy plugs/Standpipe update
blue spring mod
CCV mod
Zoodad mod
High Idle Mod
Cab light install
4" Turbo Back W/ 5" tip
Airaid

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post #4 of 8 Old 06-27-2011, 07:21 PM
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An exhaust and tuner help some, but you have to drive like you mean to conserve fuel.

I would get a good baseline mileage as you are now, and get back to us.

Stock I ran around 13-14 mpg combined, tuned I'm over 15 mpg with all my tunes. Your driving style will have the biggest effect on how effective the addition of a tuner will be.
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post #5 of 8 Old 06-27-2011, 07:54 PM Thread Starter
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I will definitely get base line numbers... I hate to say this, but I drive my truck conservatively, I leave my lead foot to my race car...



--Johnny--

'05 F250 Crew Cab, Lariat, FX4,
8" lift Fabtech 4 link
37" Toyo Open Country MT
'03 Turbo
Edge Insight CTS, SCT X3
ARP head studs
RCD EGR delete
STC fitting update
Dummy plugs/Standpipe update
blue spring mod
CCV mod
Zoodad mod
High Idle Mod
Cab light install
4" Turbo Back W/ 5" tip
Airaid

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post #6 of 8 Old 06-28-2011, 06:19 AM
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Originally Posted by SynysterHD View Post
I will definitely get base line numbers... I hate to say this, but I drive my truck conservatively, I leave my lead foot to my race car...
Don't be too conservative or it will kill your turbo. You have to exercise the turbo regularly or the VGT vanes will stick requiring a tear down and cleaning. Make sure it see maximum boost regularly. This can be done without flogging it.
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post #7 of 8 Old 06-28-2011, 06:21 AM
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Originally Posted by PGreenSVT View Post
Don't be too conservative or it will kill your turbo. You have to exercise the turbo regularly or the VGT vanes will stick requiring a tear down and cleaning. Make sure it see maximum boost regularly. This can be done without flogging it.
I haven't learned this technique just yet.

Shawn Carlson
EvilEye@powerstroke.org

Proud Navy Vet
2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
2008 F350, CCLB, 6.4 PSD (Brad-the wife's truck is black)




Engine Mods:
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Gogo Diesel Direct Drive Solenoid
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post #8 of 8 Old 06-28-2011, 06:44 AM
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I haven't learned this technique just yet.
I din't say he couldn't flog it. Actually though I very rarely ever need to go anywhere near full throttle and my truck sh1ts and gits.
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