FASS air separation system - Ford Powerstroke Diesel Forum
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post #1 of 25 Old 10-09-2008, 03:34 PM Thread Starter
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FASS air separation system

Is any one running air separation system is it a good thing to get? i am cause people are saying get it and dont, what is the benift for it?

Thanks Ben

99 f350 reg cab 4x4 zf6 speed stock for now
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post #2 of 25 Old 10-09-2008, 04:01 PM
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I will bump ya, cause I would love to know the answer to this question also...
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post #3 of 25 Old 10-10-2008, 02:51 AM
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I have read about a few Fass pumps going out. A friend of mine had his go out within 2 months and I just read a post over on another forum where a few others have quit also.
Are they good or bad ? Anything mechanical will fail at some point and when its one of your own and it fails and leave you stranded then your pissed.

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post #4 of 25 Old 10-10-2008, 04:23 AM
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Why is simething going on with your stock set up? People usually go to a aftermarket fuel system when they have modded the truck past the capabilities of the stock system. Not saying it isn't a good mod for a stock truck, just not sure you will see a difference either!! If your having a problem post it in another thread and we will try and help you. If it ain't broke................?
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post #5 of 25 Old 10-10-2008, 03:42 PM Thread Starter
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Quote:
Originally Posted by NCHornet View Post
Why is simething going on with your stock set up? People usually go to a aftermarket fuel system when they have modded the truck past the capabilities of the stock system. Not saying it isn't a good mod for a stock truck, just not sure you will see a difference either!! If your having a problem post it in another thread and we will try and help you. If it ain't broke................?
NCH
no problems with fuel just the clutch but anyway just people saying get it and dont so i figured i would ask

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post #6 of 25 Old 10-20-2008, 11:32 PM
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Originally Posted by NCHornet View Post
Why is simething going on with your stock set up? People usually go to a aftermarket fuel system when they have modded the truck past the capabilities of the stock system. Not saying it isn't a good mod for a stock truck, just not sure you will see a difference either!! If your having a problem post it in another thread and we will try and help you. If it ain't broke................?
NCH
So what your saying is that if you take a truck like mine, that is pretty much stock compared to some of your alls trucks, I wouldn t be able to tell a difference with the FASS system.

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post #7 of 25 Old 10-20-2008, 11:38 PM
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Quote:
Originally Posted by bulldog84 View Post
So what your saying is that if you take a truck like mine, that is pretty much stock compared to some of your alls trucks, I wouldn t be able to tell a difference with the FASS system.
I think that is exactly what NChornet said.

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post #8 of 25 Old 10-20-2008, 11:43 PM
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Originally Posted by lifewitlooie View Post
I think that is exactly what NChornet said.
I did graduate from college so I think I can read thanks though. I was looking for more of an explaination maybe.

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post #9 of 25 Old 10-21-2008, 11:08 AM
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anything that removes air from the system and helps put more pressure to the fuel rails is going to help. a FASS in conjunction with the regulated return will make good strides towards better fuel economy and a smoother running truck. also with the FASS or AIR DOG system it is my understanding that you dont have to do the tanks mods in a complete regulated return, just the engine bay stuff with the new fuel lines that connect all the heads together.....
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post #10 of 25 Old 10-23-2008, 02:58 AM
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Quote:
Originally Posted by indyF-350psd View Post
anything that removes air from the system and helps put more pressure to the fuel rails is going to help. a FASS in conjunction with the regulated return will make good strides towards better fuel economy and a smoother running truck. also with the FASS or AIR DOG system it is my understanding that you dont have to do the tanks mods in a complete regulated return, just the engine bay stuff with the new fuel lines that connect all the heads together.....

I have heard that there is a R/R in the FASS System, is that correct?

2004 F-250 FX4 6.0L
Full EGR Delete (First Coast Diesel Performance)
SCT SF3 (Innovative Diesel Custom Tuning)
Black Onyx Head Gaskets (River City Diesel)
Coolant Filtration System (Dieselsite)
4" MBRP Turbo Back Straight Pipe
K&N FIPK w/S&B Filter
BFG A/T's 285/75/16
ARP Head Studs
2" Leveling Kit
Edge Insight
Zoodad Mod
Recon Lights
New FICM
03 Turbo
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