lift pumps - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 17 (permalink) Old 01-28-2008, 09:10 PM Thread Starter
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lift pumps

im goin to install a new lift pump truck is goin to be about 500hp what do yal recomend,i no every one says fass,but is it worth the money, what about air dog, or jus as a pump its self from places like bdpower

97 f 250 xlt 4 inch lift, 36/15.50 tires, hypermax kit with sledghammer turbo, swamps 355mm injectors, compitition fuel system,bdp stealth pumps oil system, head studs, custom 4 inch exhaust, edge evo and ez stack
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post #2 of 17 (permalink) Old 01-28-2008, 09:34 PM
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I was told the performer was good.. :shrug: im a 12v guy... sorry..

Jordan

95-dodge 2500 built to the hill... - sold to litle brother
03- stroker 6.0 studs and basic BS

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post #3 of 17 (permalink) Old 01-28-2008, 10:23 PM
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Quote:
Originally Posted by 7.3stroker
im goin to install a new lift pump truck is goin to be about 500hp what do yal recomend,i no every one says fass,but is it worth the money, what about air dog, or jus as a pump its self from places like bdpower
I have a FASS without the filters and i am happy with it. I got the 95GPH pump cause i wasn't planing on doing competition stuff with it anyways. I know the VP44's have a hard time starting the truck if there is 20psi or over, thats what i have been hearing. I haven't had any trouble with mine, thats why i got the 95GPH FASS pump. I must say spening the $500 on that was better then spending a lil less on a factory lift pump that won't put out enough. As far as the air dog pumps go, they look similar to the fass pumps. I heard good things about them too. The pumps have some what of a humming noise, but with the truck running you can barely hear it. My buddy Bil bought a Walboro pump and that looks just like the factory one except it puts out better fuel pressure. How much i don't know. But my buddy Bil didn't want the FASS cause he wasn't planning on doing any competition stuff either. He just tows a huge 5th wheel camper trailer. IMO i would say go with air dog or FASS. You can get them without the filters. I didn't want them thats why i didn't get them. Good like with your choice.
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post #4 of 17 (permalink) Old 01-29-2008, 05:00 AM
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I run a FASS 95gph with the filters. IMO don't buy a fass unless you are getting the unit with the filters because it offers better filtration than the stock set up. If you are going to run a standalone pump just run a holley pump or something of that nature. As for Fass Vs. Airdog. Its honestly a father son thing, the father started airdog for semi's over 20 years ago and his son branched off and did FASS. The Air dog runs 1/2" fuel lines where as the FASS only runs 3/8". The air dog also has smaller filters that don't hang down so low, however that just means less filter material and you will have to change them more often. They are also really close in price so that doesn't make much difference. I would recommend looking at the walbro system from GDP, its excellent components, except they aren't in a nice package like the fass. They tend to get strung out along the frame. If you're shooting for 500hp you should get the 150/150 fass IMO. I have talked to a really reputable source, the vendor I bought my fass from and he said that a 95/150 would support up to 550hp on fuel, but you may want to be on the safe side and just go with the 150gph. The 150 costs the same, but you will need to change the intank pickup tube to supply enough fuel.
hope this helps a little.

And from personal experience, I love my fass. 2 years almost 40k on it without a single problem with it. You may encounter problems if your VP has been exposed to 5psi or less fuel pressure.
Sean

2000 2500 reg. cab 4x4 auto 577hp
09 6.7L QC LB stick, 4x4.

TOTAL PERFORMANCE DIESEL 707-545-FUEL (3835)
www.totalperformancediesel.com
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post #5 of 17 (permalink) Old 01-29-2008, 03:42 PM
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Quote:
Originally Posted by sstockton
And from personal experience, I love my fass. 2 years almost 40k on it without a single problem with it. You may encounter problems if your VP has been exposed to 5psi or less fuel pressure.
Sean
You might want to stay above 10 PSI... I lost my first VP44 at 8 PSI. :wow


Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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post #6 of 17 (permalink) Old 01-29-2008, 06:35 PM
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You lost your VP with 8psi. How did it die? They will still die on a 12-16 psi, but not for the same reason that they die on really low pressure, they either seize or the electronics die the wearing out housing.

As for the 5psi comment, that was more referring to the metering diaphragm. The VP may still be in good working order, but if it has be exposed to less than 5psi the metering diaphragm will crack. If the metering diaphragm cracks you will quite possibly see issues with hot starts when I higher pressure pump is put in the place of the stock pump. Even just a replacement stock pump can generate enough pressure to result in hard starts when hot if the diaphragm has been damaged.
Sean

2000 2500 reg. cab 4x4 auto 577hp
09 6.7L QC LB stick, 4x4.

TOTAL PERFORMANCE DIESEL 707-545-FUEL (3835)
www.totalperformancediesel.com
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post #7 of 17 (permalink) Old 01-29-2008, 09:55 PM
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Quote:
Originally Posted by sstockton
You lost your VP with 8psi. How did it die? They will still die on a 12-16 psi, but not for the same reason that they die on really low pressure, they either seize or the electronics die the wearing out housing.
I got my gauges right at about 50K miles and realized my pressure was getting low. So I can the Dodge dealer and found about the lift pump diagnostic...

http://mopar.mopar1973man.com/2002%2...ift%20pump.htm

When I ran the diagnostic test the pump would fail 8 out of 10 times. Very marginal. Well I took photos and documented everything. Then went in to the dealer. The replaced the lift pump without question after reviewing the results of my testing.

Shop Manager was letting me know they would love to replace the VP44 but since there was no signs of failure they can't do it... Well after checking for error codes about 2 weeks later the wonderful P0216 error code started happening... Also lots of white smoke in the morning... (Advancement piston failure).

Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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post #8 of 17 (permalink) Old 01-30-2008, 12:03 AM
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if you are going to run the BD you will have to take the stock lift pump out. because i can't run them both, because the truck acts like its goin to die. Anybody else have this problem

2006- "EFI LIVE", MP-8, Snow, 66/74, twin cp3, 250hp injectors, Fass, South Bend dd.



pushin 800hp
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post #9 of 17 (permalink) Old 01-30-2008, 12:44 AM Thread Starter
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how well does the bd work for you and how hard was it to install

97 f 250 xlt 4 inch lift, 36/15.50 tires, hypermax kit with sledghammer turbo, swamps 355mm injectors, compitition fuel system,bdp stealth pumps oil system, head studs, custom 4 inch exhaust, edge evo and ez stack
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post #10 of 17 (permalink) Old 01-30-2008, 01:08 AM
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it was pretty easy to install. i can't run it until i take the stock lift pump out. but i did run it for a couple months and did good until the truck acted like it wanted to die, and haven't put it on since.

2006- "EFI LIVE", MP-8, Snow, 66/74, twin cp3, 250hp injectors, Fass, South Bend dd.



pushin 800hp
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