Fuel System thoughts/?'s AGAIN!! - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 14 (permalink) Old 10-24-2009, 03:31 AM Thread Starter
 
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Fuel System thoughts/?'s AGAIN!!

I am sitting reading through all of the old posts about fuel systems so on and so forth......

Can you run from the FASS/AIRDOG to a "Y" then to the front of each cylinder head THEN come out the back of the cylinder heads to a "Y" and then return it to the tank????? I don't know if this would burn your pumps up quicker than they already do or not. Also, on the ones I've done lately I've used a pickup tube as a return as well and cut it off a few inches from the bottom of the tank to keep fuel aeration down to the least amount possible.
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post #2 of 14 (permalink) Old 10-24-2009, 03:36 AM
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Re: Fuel System thoughts/?'s AGAIN!!

Which Airdog are you plan on using ? Yes you can run straight to the heads but you would have to have the FASS unless you get the Airdog 2. or If you did the Airdog 150 with a Raptor pump then to the front of the heads. Some folks do just a crossover with no return but you can have a return. You really dont need anything to big if your running stock injectors. As for the tank I would look into sump pump so your getting the fuel from the bottom of the tank.

That make sense

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post #3 of 14 (permalink) Old 10-24-2009, 03:57 AM Thread Starter
 
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Re: Fuel System thoughts/?'s AGAIN!!

Yes it does make sense! Better explained than I could've

I use the FASS pumps on most everything, just what I use that's all. Never tried an AirDOG/Air DOG II.

I guess my biggest fear/concern was that the FASS would be pumping continuously in the front and out the back of the injector rails but, It's constantly pumping when the truck is running anyway so I guess it wouldn't make much difference.

ANOTHER ISSUE that comes to mind is I would want an additional filter AFTER the FASS before the lines go into the front of the heads, somewhere in between. Would this totally restrict the FASS and defeat the purpose for me doing this in the first place??

Still studying the SUMP deal, MAKES GOOD SENSE just simply still exploring them. What brand(s) of sumps do you have xperience with??
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post #4 of 14 (permalink) Old 10-24-2009, 04:00 AM
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Re: Fuel System thoughts/?'s AGAIN!!

IF you did away with the stock HFCM, you would have to do new lines, you can install a inline filter I belive from Aeromotive has then check the AN fittings on your lines and match it with whatever you buy. Nothing wrong with adding a filter just be a little harder to change out you know. Im still using the stock fuel bowl as my filter currently with my set-up.

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post #5 of 14 (permalink) Old 10-24-2009, 04:46 AM Thread Starter
 
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Re: Fuel System thoughts/?'s AGAIN!!

I use the FASS 150/180 so, my HFCM is gone but, like I said I'm thinking of going straight into the heads and straight out of the heads so I'd be doing away with the OEM secondary fuel filter that's why I was wondering about the filtration after the pump
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post #6 of 14 (permalink) Old 10-24-2009, 01:33 PM
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Re: Fuel System thoughts/?'s AGAIN!!

It should be good enough, but you can place in a inline one.

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post #7 of 14 (permalink) Old 10-25-2009, 08:15 PM
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Re: Fuel System thoughts/?'s AGAIN!!

hint, hint, i have a kit just waiting to be installed.

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post #8 of 14 (permalink) Old 10-25-2009, 09:41 PM
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Re: Fuel System thoughts/?'s AGAIN!!

Feed the front and rear of the heads at the same time with 60+ PSI.


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post #9 of 14 (permalink) Old 10-27-2009, 10:40 PM Thread Starter
 
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Re: Fuel System thoughts/?'s AGAIN!!

Quote:
Originally Posted by HeavyAssault View Post
Feed the front and rear of the heads at the same time with 60+ PSI.
R U SERIOUS?? Where in the world would all the extra fuel go? It would be a DEAD HEAD system again, wouldn't it????
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post #10 of 14 (permalink) Old 10-28-2009, 12:26 PM
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Re: Fuel System thoughts/?'s AGAIN!!

Your OEM system deadheads with a return of 45-55 (?) PSI correct? If you run the pressure starting at 45+PSI and adjust as you need it all goes to the motor. I can't remember the names but people are running this type of setup.


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