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Old 10-09-2011, 06:27 PM   #1 (permalink)
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alternatives to airdog or fass?

so ive been doing some reading on lift pumps, and dont really wanna spend 600 dollars. the only lift pump manufacturers out there seem to be fass and airdog and associated raptor, walbro and wicked diesel eliminator came up in several searches but i cant find a good source or website with a price. so big question. is there a cheaper alternative than buying a fass or airdog for an 05

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Old 10-09-2011, 06:38 PM   #2 (permalink)
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Alot of people like them for there 2 micron filtering abilities.We all know about the common rail injectors. Im sure there are other pumps, im just sayin that these are popular because they have double purpose.
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Old 10-09-2011, 06:41 PM   #3 (permalink)
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Oh and i dont think youll find much cheaper than a raptor. And if you think thats to expensive id stop modding now.
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Old 10-10-2011, 06:35 AM   #4 (permalink)
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its not that its too much. its just too much right now. im about to buy a built tranny, and guages, and a bumper, and new tires. so i was just looking to try to do a temp fix till i can buy an airdog. ive gotten mixed signals on if its ok to run my programmer on high with no lift pump. or if its gonna mess up my injection pump. i obviously cant feed crazy larry without a pump. but i should be ok to run extreme and performance without it? i normally run performance. and ive never thrown a code.
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Old 10-10-2011, 08:45 AM   #5 (permalink)
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I tthink youll be fine.
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Old 10-10-2011, 08:48 AM   #6 (permalink)
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i would skip buying a bumper and buy the fass or airdog. Injectors dont care what kind of bumper you got, but they care what type of filtration you give them
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Old 10-10-2011, 09:04 AM   #7 (permalink)
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Quote:
Originally Posted by 77machomopar View Post
i would skip buying a bumper and buy the fass or airdog. Injectors dont care what kind of bumper you got, but they care what type of filtration you give them
if the bumper were just for looks i would agree, but the deer and elk in my neck of the woods dont care how much filtration i got. id rather drop 1000 for a bumper than pay for a deer in the grill at 75.
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Old 10-10-2011, 09:11 AM   #8 (permalink)
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i would skip buying a bumper and buy the fass or airdog. Injectors dont care what kind of bumper you got, but they care what type of filtration you give them
if the bumper were just for looks i would agree, but the deer and elk in my neck of the woods dont care how much filtration i got. id rather drop 1000 for a bumper than pay for a deer in the grill at 75.
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Old 10-10-2011, 09:37 AM   #9 (permalink)
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If you want to build a system in pieces you can get better filtration that a out of the box AD. Start with a GDP MK2+ kit and a fuel psi gauge. If your holding 2-3 psi WOT then you have enough fuel and can save for a better pump.

I am pushing 400 rwhp with 3 filters on the stock pump and have plenty of pressure.
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Old 10-10-2011, 05:13 PM   #10 (permalink)
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Checking your existing pressure to the CP3 like AH said is a good idea. If OK then you save up for the bigger setup. Unlike regular filters, the AirDog takes entrained air out of the fuel which increases injector life and usually improves mileage and torque because when the air comes out, injection timing increases. So it's more than just a set of filters and a better pump. It might be worth the investment.

But if air separation is not something you care about, there are some options. You can install a Raptor 100gph pump with adjustable pressure regulator for around $370, then a stand alone filter unit like a Racor 660R122 which is a 60gph Aquabloc 2 micron filter and head, with 12v fuel heater, 3/8-18NPTF connections. Should be around $180.00. Or do without the heater and spend around $120. Put it between the stock filter which is a Fleetguard 7 micron and the CP3. So the 2 micron Racor is the secondary. Can't beat the water separation or the micron rating (99% efficiency).

Later you could add another Racor unit. All models come in 2, 10, or 30 micron. So you could put a 30 (66R1230) after the Raptor down on the frame and leave your 2 micron up by the CP3. Then you can ditch the stock filter/housing if you want. If you intend to do this you can decide if either or both should have a heater. I believe you can get a water-in-fuel sensor for these too, although they come with clear spin-on sediment bowls so you can see what's in there. Or a steel bowl like they recommend for marine use.
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Old 10-10-2011, 05:19 PM   #11 (permalink)
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Agreed. If you *must* get a new LP now (i.e. the existing one is totally shot), then go for the raptor + external filtration conversions. That should work out to less than an AD setup, and still be equally effective.
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Old 10-10-2011, 05:36 PM   #12 (permalink)
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Personally I am not sold on air separation, I have seen the schematic for the AD and FASS setups, and don't really think it will make any difference.

I am sure air can damage things, but doubt the effectiveness of separation pumps.
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