Fuel pressure with H&S on performance? - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 09-18-2013, 09:07 PM Thread Starter
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Fuel pressure with H&S on performance?

I had a panic attack when I saw that my full throttle injection pressure was only 24-27kpsi at full throttle on the highest tune. I haven't checked injection pressure for a while, but last time I did, it was 29kpsi. I don't remember what power level that was though. I put the power level back down one to street and it still hits 29kpsi. Do other peoples' trucks only reach 24-27kpsi on performance, or is my pump going out? Please check if you get a chance and let me know.

2011 F350 4X4 CCSB SRW, King Ranch, 3.55, Mini Maxx, 4 inch exhaust, egr gone, Confederate Diesel turbo kit with a S363 and 0.91 twin scroll turbine housing, and stock air filter.
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post #2 of 11 Old 09-19-2013, 12:20 AM
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Originally Posted by DirtBikePilot View Post
I had a panic attack
That WILL happen when running a Confederate Diesel turbo kit! I couldn't resist

05 F-250 Crew Cab Short Bed
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post #3 of 11 Old 09-19-2013, 04:08 AM
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Originally Posted by DirtBikePilot View Post
I had a panic attack when I saw that my full throttle injection pressure was only 24-27kpsi at full throttle on the highest tune. I haven't checked injection pressure for a while, but last time I did, it was 29kpsi. I don't remember what power level that was though. I put the power level back down one to street and it still hits 29kpsi. Do other peoples' trucks only reach 24-27kpsi on performance, or is my pump going out? Please check if you get a chance and let me know.
Was it you or someone else that is running the 55% over pump?

2010 CC/SB FX4 Lariat.. Tuned By Eric@IDP and Matt@Gearhead

Thinking about getting rid of the stock 6.7 turbo?
Check this out... and research before buying



http://www.powerstroke.org/forum/6-7...ustration.html

http://www.powerstroke.org/forum/6-7...round-2-a.html
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post #4 of 11 Old 09-19-2013, 05:50 AM
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I've actually had a low fuel rail pressure light come on with my 2013 f250 mini maxx on performance with powerlabs tunes.

13 F250 Lariat CC SB 3.31 EL axle w/SPE full lock module, Ultimate Interior,
H&S Big Single 64mm NON VGT Turbo Kit, Cast manifolds, NON Cobra downpipe, Mini MAxx w/H&S stock fuel tune
Down Pipe back 304T 4" Diamond Eye, AFE stage II intake, front 4 link,
Road Armor bumpers front/rear. N Fab nerf steps. 20" American Force w/Trxus 33",
Dura flaps, Air Lift rear bags, 34k+ miles, Stage 3 traction block bars.


2012 F250 TOTALED.

Civilian Contractor Airforce 2+ years Asscrackistan.
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post #5 of 11 Old 09-19-2013, 05:20 PM Thread Starter
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I'm running the original pump. I called H&S and they said the drop in rail pressure is normal for the hot setting.

2011 F350 4X4 CCSB SRW, King Ranch, 3.55, Mini Maxx, 4 inch exhaust, egr gone, Confederate Diesel turbo kit with a S363 and 0.91 twin scroll turbine housing, and stock air filter.
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post #6 of 11 Old 09-19-2013, 06:54 PM
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post #7 of 11 Old 09-19-2013, 07:28 PM Thread Starter
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Nope. I've gone as far as I want to power wise. I think I'm at the point where it get exponentially more expensive to keep increasing power.

2011 F350 4X4 CCSB SRW, King Ranch, 3.55, Mini Maxx, 4 inch exhaust, egr gone, Confederate Diesel turbo kit with a S363 and 0.91 twin scroll turbine housing, and stock air filter.
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post #8 of 11 Old 09-19-2013, 08:17 PM
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yeah uh... typical confederate diesel tunes... im assuming thats what your running?

needs to be tweeked by a tuner.. check out don swaringim on facebook he'll hook you up with some custom tunes
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post #9 of 11 Old 09-19-2013, 08:44 PM Thread Starter
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I'm running box stock h&s tuning.

2011 F350 4X4 CCSB SRW, King Ranch, 3.55, Mini Maxx, 4 inch exhaust, egr gone, Confederate Diesel turbo kit with a S363 and 0.91 twin scroll turbine housing, and stock air filter.
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post #10 of 11 Old 09-20-2013, 04:04 AM
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Could we keep the CFD an SPE bashing ON their ****ING pages. Sick of hearing that ****.

13 F250 Lariat CC SB 3.31 EL axle w/SPE full lock module, Ultimate Interior,
H&S Big Single 64mm NON VGT Turbo Kit, Cast manifolds, NON Cobra downpipe, Mini MAxx w/H&S stock fuel tune
Down Pipe back 304T 4" Diamond Eye, AFE stage II intake, front 4 link,
Road Armor bumpers front/rear. N Fab nerf steps. 20" American Force w/Trxus 33",
Dura flaps, Air Lift rear bags, 34k+ miles, Stage 3 traction block bars.


2012 F250 TOTALED.

Civilian Contractor Airforce 2+ years Asscrackistan.
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