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FASS Fuel Systems High Performance Fuel Delivery System

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Old 10-13-2009, 10:46 AM   #81
red dodge2
 
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whats the most psi you can get out of a 95gph? can you get 40psi?
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Old 10-13-2009, 03:49 PM   #82
jperecko

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So a 95 GPH should be able to keep up with about 500 horses 1k torque on a 12 valve, right?

With the return... what exactly could the problem be? Is it because the return line is a smaller diameter (not actually sure of this... but I could upgrade it to 3/8)? Or is there some way it would back-feed something? I think I notices that the FASS unit had a check valve on this line so I do not think that there will be an issue with fuel going from the engine back to the filter. How would a PSI issue manifest itself? Low pressure at the gauge port or would I have to install another gauge for the retun line to make sure that does not get too high?

Concerning the connection to the engine... the part in question is listed as part # PL-1003 in the manual and in the instructions it looks like I am supposed to screw it into the top of the pre-filter/fuel heater chamber and there is no mention of removing any stock fuel components. I like the idea of having redundancy in that if one or the other pump fails, I can still limp the truck around. This will be an expedition-style vehicle and it has to be pretty reliable. From taking another look at the instructions it looks like this elbow is just there to help with routing and to use a removable threaded flare connection instead of a slip connection.

And... one more question. Is there any way I could order a spare pump to keep on hand (I also carry spare fluids, filters, and even major components such as an alternator and starter and misc. driveline stuff). If so, how much would it run for a 95 GPH 150 series pump?

Thanks for all the help.
 
Old 10-13-2009, 04:36 PM   #83
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Quote:
Originally Posted by red dodge2 View Post
whats the most psi you can get out of a 95gph? can you get 40psi?
Yes, You can get 40 PSI out of that pump with a simple spring change. PM Sent
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Old 10-13-2009, 05:03 PM   #84
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Quote:
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So a 95 GPH should be able to keep up with about 500 horses 1k torque on a 12 valve, right?
Probably not. you will most likely want to upgrade to the 150 GPH just to be safe

Quote:
Originally Posted by jperecko View Post
With the return... what exactly could the problem be? Is it because the return line is a smaller diameter (not actually sure of this... but I could upgrade it to 3/8)? Or is there some way it would back-feed something? I think I notices that the FASS unit had a check valve on this line so I do not think that there will be an issue with fuel going from the engine back to the filter. How would a PSI issue manifest itself? Low pressure at the gauge port or would I have to install another gauge for the retun line to make sure that does not get too high?
No. With the FASS system there is a PSI spring behind the return line fitting. This is what we use to build PSI. If you take and restrict the return fuel line the PSI will rise. So if you restrict the line from 3/8" down to the stock 5/16" it will cause your PSI to rise and possibly damage your IP (If your using the VP44). The PSI port on the pump (Marked with a letter "G") will tell you everythingyou need to know.

Quote:
Originally Posted by jperecko View Post
Concerning the connection to the engine... the part in question is listed as part # PL-1003 in the manual and in the instructions it looks like I am supposed to screw it into the top of the pre-filter/fuel heater chamber and there is no mention of removing any stock fuel components. I like the idea of having redundancy in that if one or the other pump fails, I can still limp the truck around. This will be an expedition-style vehicle and it has to be pretty reliable. From taking another look at the instructions it looks like this elbow is just there to help with routing and to use a removable threaded flare connection instead of a slip connection.
Actually that part number (PL-1003) Connects to another part number (DIPF-1001) DIPF stands for Dodge Injection Pump Fitting. This is what we use to connect our pump to your IP. The elbow does help with routing. Ther eis no need to remove any stock fuel components. You may leave them there and if something does happen to our pump you can easily convert back to the stock setup with little effort.

Quote:
Originally Posted by jperecko View Post
And... one more question. Is there any way I could order a spare pump to keep on hand (I also carry spare fluids, filters, and even major components such as an alternator and starter and misc. driveline stuff). If so, how much would it run for a 95 GPH 150 series pump?
Why sure! Just contact your local FASS dealer and ask them for part number RPHD-1001. This is the pump head that bolts to the top of the filter base. They can also give you a price. If you cannot find a local dealer...Let me know and i will contact you about pricing

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Originally Posted by jperecko View Post
Thanks for all the help.
No problem!
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Old 10-13-2009, 05:06 PM   #85
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yep thanks for the help...i will mostly likely be keeping my fass!
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Old 10-13-2009, 05:21 PM   #86
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Cool so if pressure gets too high, I need to play with the return side and if it gets too low, I need to upgrade to a 150 GPH pump, right? I think I read 7 PSI and below is considered low but what would be the limit for the high side? When does that spring normally open?

Also that part number you gave me for the pump... was that for the 95 GPH? If so, could I get the one for the 150 too in case I need to upgrade? Thanks again for all the help.
 
Old 10-29-2009, 12:54 PM   #87
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Any chance I could get a confirmation on the post above? What would be the high limit to look out for? Thanks
 
Old 10-29-2009, 02:08 PM   #88
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Quote:
Originally Posted by jperecko View Post
Cool so if pressure gets too high, I need to play with the return side and if it gets too low, I need to upgrade to a 150 GPH pump, right? I think I read 7 PSI and below is considered low but what would be the limit for the high side? When does that spring normally open?

Also that part number you gave me for the pump... was that for the 95 GPH? If so, could I get the one for the 150 too in case I need to upgrade? Thanks again for all the help.
on a VP44 style truck you do not want to get any higher than 28 PSI for any length of time.
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Old 10-29-2009, 08:10 PM   #89
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Quote:
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on a VP44 style truck you do not want to get any higher than 28 PSI for any length of time.
Thanks for getting back to me but this is a 12 valve with a P7100 pump, not the VP44.
 
Old 10-30-2009, 08:54 AM   #90
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Sorry JP...My bad.....the P Pump will handle almost any PSI - I wouldnt recommend higher than say 50 PSI. THe P Pump likes lots of volume and you cant get that with the higher PSI's
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Old 11-05-2009, 11:32 AM   #91
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Hi Jim,
I have a 150/180, serial number 07438, that had the pump fail yesterday. I bought it used, so I know that I don't have a warranty on it. What do I need to do to get a replacement pump for it?
Thanks!
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Old 12-07-2009, 02:22 PM   #92
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Can my 150/90-1010 be upgraded to the 180gph unit without sending it in? Meaning can I swap out the pumps on it? This in my DD and I can't have it down waiting. I am looking to make 500-600hp and the shop that sold me the pump told me this one would be fine up to 700-800hp and from my reading in that thread it's not true.
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